2007 INFINITI QX56 DTC
[x] Cancel search: DTCPage 1084 of 3061
EC-1
ENGINE
C
D
E
F
G
H
I
J
K
L
M
SECTION EC
A
EC
N
O
P
CONTENTS
ENGINE CONTROL SYSTEM
SERVICE INFORMATION ............................9
INDEX FOR DTC .................................................9
DTC No. Index ..........................................................9
Alphabetical Index ...................................................12
PRECAUTIONS ..................................................17
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
17
On Board Diagnosis (OBD) System of Engine and
A/T ...........................................................................
17
Precaution ...............................................................17
PREPARATION ..................................................21
Special Service Tool ...............................................21
Commercial Service Tool ........................................22
ENGINE CONTROL SYSTEM ............................24
Schematic ...............................................................24
Multiport Fuel Injection (MFI) System .....................24
Electronic Ignition (EI) System ................................27
Fuel Cut Control (at No Load and High Engine
Speed) .....................................................................
27
AIR CONDITIONING CUT CONTROL ...............29
Input/Output Signal Chart ........................................29
System Description .................................................29
AUTOMATIC SPEED CONTROL DEVICE
(ASCD) ...............................................................
30
System Description .................................................30
Component Description ...........................................31
CAN COMMUNICATION ....................................32
System Description .................................................32
EVAPORATIVE EMISSION SYSTEM ................33
Description ..............................................................33
Component Inspection ............................................35
Removal and Installation .........................................37
How to Detect Fuel Vapor Leakage ........................37
ON BOARD REFUELING VAPOR RECOV-
ERY (ORVR) ......................................................
40
System Description ..................................................40
Diagnosis Procedure ...............................................40
Component Inspection .............................................42
POSITIVE CRANKCASE VENTILATION .........45
Description ...............................................................45
Component Inspection .............................................45
IVIS (INFINITI VEHICLE IMMOBILIZER SYS-
TEM-NATS) .......................................................
47
Description ...............................................................47
ON BOARD DIAGNOSTIC (OBD) SYSTEM ....48
Introduction ..............................................................48
Two Trip Detection Logic .........................................48
Emission-related Diagnostic Information .................49
Malfunction Indicator Lamp (MIL) ............................63
OBD System Operation Chart .................................65
BASIC SERVICE PROCEDURE .......................71
Basic Inspection ......................................................71
Idle Speed and Ignition Timing Check .....................75
Procedure After Replacing ECM .............................77
VIN Registration ......................................................77
Accelerator Pedal Released Position Learning .......77
Throttle Valve Closed Position Learning .................77
Idle Air Volume Learning .........................................78
Fuel Pressure Check ...............................................80
TROUBLE DIAGNOSIS ....................................82
Trouble Diagnosis Introduction ................................82
DTC Inspection Priority Chart ..................................87
Fail-Safe Chart ........................................................88
Symptom Matrix Chart .............................................90
Engine Control Component Parts Location .............94
Vacuum Hose Drawing ..........................................100
Circuit Diagram ......................................................101
ECM Harness Connector Terminal Layout ............103
ECM Terminal and Reference Value .....................103
Page 1085 of 3061
EC-2
CONSULT-II Function (ENGINE) ..........................111
Generic Scan Tool (GST) Function .......................122
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
124
Major Sensor Reference Graph in Data Monitor
Mode ......................................................................
127
TROUBLE DIAGNOSIS - SPECIFICATION
VALUE .............................................................
129
Description .............................................................129
Testing Condition ...................................................129
Inspection Procedure .............................................129
Diagnosis Procedure .............................................130
TROUBLE DIAGNOSIS FOR INTERMITTENT
INCIDENT ........................................................
138
Description .............................................................138
Diagnosis Procedure .............................................138
POWER SUPPLY AND GROUND CIRCUIT ...139
Wiring Diagram ......................................................139
Diagnosis Procedure .............................................140
Ground Inspection .................................................143
DTC U1000, U1001 CAN COMMUNICATION
LINE .................................................................
145
Description .............................................................145
On Board Diagnosis Logic .....................................145
DTC Confirmation Procedure ................................145
Wiring Diagram ......................................................146
Diagnosis Procedure .............................................146
DTC U1010 CAN COMMUNICATION .............147
Description .............................................................147
On Board Diagnosis Logic .....................................147
DTC Confirmation Procedure ................................147
Diagnosis Procedure .............................................147
DTC P0011, P0021 IVT CONTROL .................149
Description .............................................................149
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
150
On Board Diagnosis Logic .....................................150
DTC Confirmation Procedure ................................150
Wiring Diagram ......................................................152
Diagnosis Procedure .............................................155
Component Inspection ...........................................159
Removal and Installation .......................................160
DTC P0031, P0032, P0051, P0052 A/F SEN-
SOR 1 HEATER ...............................................
163
Description .............................................................163
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
163
On Board Diagnosis Logic .....................................163
DTC Confirmation Procedure ................................163
Wiring Diagram ......................................................164
Diagnosis Procedure .............................................167
Component Inspection ...........................................168
Removal and Installation .......................................169
DTC P0037, P0038, P0057, P0058 HO2S2
HEATER ...........................................................
170
Description ............................................................170
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
170
On Board Diagnosis Logic ....................................170
DTC Confirmation Procedure ................................170
Wiring Diagram .....................................................172
Diagnosis Procedure .............................................175
Component Inspection ..........................................176
Removal and Installation .......................................177
DTC P0075, P0081 IVT CONTROL SOLE-
NOID VALVE ....................................................
178
Component Description ........................................178
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
178
On Board Diagnosis Logic ....................................178
DTC Confirmation Procedure ................................178
Wiring Diagram .....................................................179
Diagnosis Procedure .............................................182
Component Inspection ..........................................183
Removal and Installation .......................................184
DTC P0101 MAF SENSOR ..............................186
Component Description ........................................186
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
186
On Board Diagnosis Logic ....................................186
DTC Confirmation Procedure ................................186
Overall Function Check .........................................188
Wiring Diagram .....................................................189
Diagnosis Procedure .............................................190
Component Inspection ..........................................192
Removal and Installation .......................................193
DTC P0102, P0103 MAF SENSOR ..................194
Component Description ........................................194
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
194
On Board Diagnosis Logic ....................................194
DTC Confirmation Procedure ................................194
Wiring Diagram .....................................................196
Diagnosis Procedure .............................................197
Component Inspection ..........................................199
Removal and Installation .......................................200
DTC P0112, P0113 IAT SENSOR ....................201
Component Description ........................................201
On Board Diagnosis Logic ....................................201
DTC Confirmation Procedure ................................201
Wiring Diagram .....................................................202
Diagnosis Procedure .............................................202
Component Inspection ..........................................204
Removal and Installation .......................................204
DTC P0117, P0118 ECT SENSOR ...................205
Component Description ........................................205
On Board Diagnosis Logic ....................................205
DTC Confirmation Procedure ................................206
Page 1086 of 3061
EC-3
C
D
E
F
G
H
I
J
K
L
M
ECA
N
O
P Wiring Diagram .....................................................
207
Diagnosis Procedure .............................................207
Component Inspection ..........................................209
Removal and Installation .......................................209
DTC P0122, P0123 TP SENSOR .....................210
Component Description .........................................210
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
210
On Board Diagnosis Logic ....................................210
DTC Confirmation Procedure ................................210
Wiring Diagram .....................................................212
Diagnosis Procedure .............................................213
Component Inspection ..........................................215
Removal and Installation .......................................216
DTC P0125 ECT SENSOR ...............................217
Component Description .........................................217
On Board Diagnosis Logic ....................................217
DTC Confirmation Procedure ................................217
Diagnosis Procedure .............................................218
Component Inspection ..........................................218
Removal and Installation .......................................219
DTC P0127 IAT SENSOR ................................220
Component Description .........................................220
On Board Diagnosis Logic ....................................220
DTC Confirmation Procedure ................................220
Diagnosis Procedure .............................................221
Component Inspection ..........................................221
Removal and Installation .......................................222
DTC P0128 THERMOSTAT FUNCTION ..........223
On Board Diagnosis Logic ....................................223
DTC Confirmation Procedure ................................223
Diagnosis Procedure .............................................223
Component Inspection ..........................................223
Removal and Installation .......................................224
DTC P0130, P0150 A/F SENSOR 1 .................225
Component Description .........................................225
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
225
On Board Diagnosis Logic ....................................225
DTC Confirmation Procedure ................................225
Overall Function Check .........................................227
Wiring Diagram .....................................................228
Diagnosis Procedure .............................................231
Removal and Installation .......................................233
DTC P0131, P0151 A/F SENSOR 1 .................234
Component Description .........................................234
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
234
On Board Diagnosis Logic ....................................234
DTC Confirmation Procedure ................................234
Wiring Diagram .....................................................236
Diagnosis Procedure .............................................239
Removal and Installation .......................................241
DTC P0132, P0152 A/F SENSOR 1 ................242
Component Description .........................................242
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
242
On Board Diagnosis Logic .....................................242
DTC Confirmation Procedure ................................242
Wiring Diagram ......................................................244
Diagnosis Procedure .............................................247
Removal and Installation .......................................249
DTC P0133, P0153 A/F SENSOR 1 ................250
Component Description .........................................250
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
250
On Board Diagnosis Logic .....................................250
DTC Confirmation Procedure ................................250
Wiring Diagram ......................................................253
Diagnosis Procedure .............................................256
Removal and Installation .......................................259
DTC P0137, P0157 HO2S2 .............................260
Component Description .........................................260
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
260
On Board Diagnosis Logic .....................................260
DTC Confirmation Procedure ................................260
Overall Function Check .........................................261
Wiring Diagram ......................................................262
Diagnosis Procedure .............................................265
Component Inspection ...........................................267
Removal and Installation .......................................269
DTC P0138, P0158 HO2S2 .............................270
Component Description .........................................270
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
270
On Board Diagnosis Logic .....................................270
DTC Confirmation Procedure ................................271
Overall Function Check .........................................272
Wiring Diagram ......................................................273
Diagnosis Procedure .............................................276
Component Inspection ...........................................280
Removal and Installation .......................................281
DTC P0139, P0159 HO2S2 .............................282
Component Description .........................................282
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
282
On Board Diagnosis Logic .....................................282
DTC Confirmation Procedure ................................282
Overall Function Check .........................................283
Wiring Diagram ......................................................284
Diagnosis Procedure .............................................287
Component Inspection ...........................................289
Removal and Installation .......................................291
DTC P0171, P0174 FUEL INJECTION SYS-
TEM FUNCTION ..............................................
292
On Board Diagnosis Logic .....................................292
DTC Confirmation Procedure ................................292
Page 1087 of 3061
EC-4
Wiring Diagram ......................................................294
Diagnosis Procedure .............................................297
DTC P0172, P0175 FUEL INJECTION SYS-
TEM FUNCTION ..............................................
301
On Board Diagnosis Logic .....................................301
DTC Confirmation Procedure ................................301
Wiring Diagram ......................................................303
Diagnosis Procedure .............................................306
DTC P0181 FTT SENSOR ...............................310
Component Description .........................................310
On Board Diagnosis Logic .....................................310
DTC Confirmation Procedure ................................310
Wiring Diagram ......................................................311
Diagnosis Procedure .............................................312
Component Inspection ...........................................313
Removal and Installation .......................................313
DTC P0182, P0183 FTT SENSOR ..................314
Component Description .........................................314
On Board Diagnosis Logic .....................................314
DTC Confirmation Procedure ................................314
Wiring Diagram ......................................................315
Diagnosis Procedure .............................................315
Component Inspection ...........................................317
Removal and Installation .......................................317
DTC P0222, P0223 TP SENSOR ....................318
Component Description .........................................318
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
318
On Board Diagnosis Logic .....................................318
DTC Confirmation Procedure ................................318
Wiring Diagram ......................................................320
Diagnosis Procedure .............................................321
Component Inspection ...........................................323
Removal and Installation .......................................324
DTC P0300 - P0308 MULTIPLE CYLINDER
MISFIRE, NO. 1 - 8 CYLINDER MISFIRE .......
325
On Board Diagnosis Logic .....................................325
DTC Confirmation Procedure ................................325
Diagnosis Procedure .............................................326
DTC P0327, P0328, P0332, P0333 KS ...........332
Component Description .........................................332
On Board Diagnosis Logic .....................................332
DTC Confirmation Procedure ................................332
Wiring Diagram ......................................................333
Diagnosis Procedure .............................................334
Component Inspection ...........................................335
Removal and Installation .......................................335
DTC P0335 CKP SENSOR (POS) ...................336
Component Description .........................................336
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
336
On Board Diagnosis Logic .....................................336
DTC Confirmation Procedure ................................336
Wiring Diagram .....................................................338
Diagnosis Procedure .............................................339
Component Inspection ..........................................341
Removal and Installation .......................................341
DTC P0340 CMP SENSOR (PHASE) ..............342
Component Description ........................................342
On Board Diagnosis Logic ....................................342
DTC Confirmation Procedure ................................342
Wiring Diagram .....................................................344
Diagnosis Procedure .............................................345
Component Inspection ..........................................347
Removal and Installation .......................................348
DTC P0420, P0430 THREE WAY CATALYST
FUNCTION ........................................................
349
On Board Diagnosis Logic ....................................349
DTC Confirmation Procedure ................................349
Overall Function Check .........................................350
Diagnosis Procedure .............................................351
DTC P0441 EVAP CONTROL SYSTEM ..........354
System Description ...............................................354
On Board Diagnosis Logic ....................................354
DTC Confirmation Procedure ................................354
Overall Function Check .........................................355
Diagnosis Procedure .............................................356
DTC P0442 EVAP CONTROL SYSTEM ..........359
On Board Diagnosis Logic ....................................359
DTC Confirmation Procedure ................................359
Diagnosis Procedure .............................................360
DTC P0443 EVAP CANISTER PURGE VOL-
UME CONTROL SOLENOID VALVE ...............
366
Description ............................................................366
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
366
On Board Diagnosis Logic ....................................367
DTC Confirmation Procedure ................................367
Wiring Diagram .....................................................368
Diagnosis Procedure .............................................369
Component Inspection ..........................................372
Removal and Installation .......................................372
DTC P0444, P0445 EVAP CANISTER PURGE
VOLUME CONTROL SOLENOID VALVE .......
373
Description ............................................................373
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
373
On Board Diagnosis Logic ....................................374
DTC Confirmation Procedure ................................374
Wiring Diagram .....................................................375
Diagnosis Procedure .............................................376
Component Inspection ..........................................378
Removal and Installation .......................................378
DTC P0447 EVAP CANISTER VENT CON-
TROL VALVE ...................................................
379
Component Description .......................................
Page 1088 of 3061
EC-5
C
D
E
F
G
H
I
J
K
L
M
ECA
N
O
P CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
379
On Board Diagnosis Logic ....................................379
DTC Confirmation Procedure ................................379
Wiring Diagram .....................................................381
Diagnosis Procedure .............................................382
Component Inspection ..........................................384
DTC P0448 EVAP CANISTER VENT CON-
TROL VALVE ...................................................
386
Component Description .........................................386
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
386
On Board Diagnosis Logic ....................................386
DTC Confirmation Procedure ................................386
Wiring Diagram .....................................................388
Diagnosis Procedure .............................................389
Component Inspection ..........................................390
DTC P0451 EVAP CONTROL SYSTEM
PRESSURE SENSOR ......................................
392
Component Description .........................................392
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
392
On Board Diagnosis Logic ....................................392
DTC Confirmation Procedure ................................392
Diagnosis Procedure .............................................393
Component Inspection ..........................................394
DTC P0452 EVAP CONTROL SYSTEM
PRESSURE SENSOR ......................................
395
Component Description .........................................395
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
395
On Board Diagnosis Logic ....................................395
DTC Confirmation Procedure ................................395
Wiring Diagram .....................................................397
Diagnosis Procedure .............................................398
Component Inspection ..........................................400
DTC P0453 EVAP CONTROL SYSTEM
PRESSURE SENSOR ......................................
401
Component Description .........................................401
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
401
On Board Diagnosis Logic ....................................401
DTC Confirmation Procedure ................................401
Wiring Diagram .....................................................403
Diagnosis Procedure .............................................404
Component Inspection ..........................................407
DTC P0455 EVAP CONTROL SYSTEM ..........408
On Board Diagnosis Logic ....................................408
DTC Confirmation Procedure ................................408
Diagnosis Procedure .............................................410
DTC P0456 EVAP CONTROL SYSTEM ..........415
On Board Diagnosis Logic ....................................415
DTC Confirmation Procedure ................................416
Overall Function Check .........................................416
Diagnosis Procedure .............................................417
DTC P0460 FUEL LEVEL SENSOR ...............423
Component Description .........................................423
On Board Diagnosis Logic .....................................423
DTC Confirmation Procedure ................................423
Diagnosis Procedure .............................................424
Removal and Installation .......................................424
DTC P0461 FUEL LEVEL SENSOR ...............425
Component Description .........................................425
On Board Diagnosis Logic .....................................425
Overall Function Check .........................................425
Diagnosis Procedure .............................................426
Removal and Installation .......................................426
DTC P0462, P0463 FUEL LEVEL SENSOR
CIRCUIT ..........................................................
427
Component Description .........................................427
On Board Diagnosis Logic .....................................427
DTC Confirmation Procedure ................................427
Diagnosis Procedure .............................................428
Removal and Installation .......................................428
DTC P0500 VSS ..............................................429
Description .............................................................429
On Board Diagnosis Logic .....................................429
DTC Confirmation Procedure ................................429
Overall Function Check .........................................430
Diagnosis Procedure .............................................430
DTC P0506 ISC SYSTEM ...............................431
Description .............................................................431
On Board Diagnosis Logic .....................................431
DTC Confirmation Procedure ................................431
Diagnosis Procedure .............................................431
DTC P0507 ISC SYSTEM ...............................433
Description .............................................................433
On Board Diagnosis Logic .....................................433
DTC Confirmation Procedure ................................433
Diagnosis Procedure .............................................433
DTC P0550 PSP SENSOR ..............................435
Component Description .........................................435
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
435
On Board Diagnosis Logic .....................................435
DTC Confirmation Procedure ................................435
Wiring Diagram ......................................................436
Diagnosis Procedure .............................................437
Component Inspection ...........................................438
Removal and Installation .......................................439
DTC P0603 ECM POWER SUPPLY ...............440
Component Description .........................................440
On Board Diagnosis Logic .....................................440
DTC Confirmation Procedure ................................440
Wiring Diagram ......................................................441
Diagnosis Procedure .............................................442
Page 1089 of 3061
EC-6
DTC P0605 ECM ..............................................444
Component Description .........................................444
On Board Diagnosis Logic .....................................444
DTC Confirmation Procedure ................................444
Diagnosis Procedure .............................................445
DTC P0643 SENSOR POWER SUPPLY ........447
On Board Diagnosis Logic .....................................447
DTC Confirmation Procedure ................................447
Wiring Diagram ......................................................448
Diagnosis Procedure .............................................449
DTC P0850 PNP SWITCH ...............................452
Component Description .........................................452
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
452
On Board Diagnosis Logic .....................................452
DTC Confirmation Procedure ................................452
Overall Function Check .........................................453
Wiring Diagram ......................................................454
Diagnosis Procedure .............................................455
DTC P1140, P1145 IVT CONTROL POSITION
SENSOR ..........................................................
457
Component Description .........................................457
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
457
On Board Diagnosis Logic .....................................457
DTC Confirmation Procedure ................................457
Wiring Diagram ......................................................458
Diagnosis Procedure .............................................461
Component Inspection ...........................................463
Removal and Installation .......................................464
DTC P1148, P1168 CLOSED LOOP CON-
TROL ................................................................
466
On Board Diagnosis Logic .....................................466
DTC P1211 TCS CONTROL UNIT ..................467
Description .............................................................467
On Board Diagnosis Logic .....................................467
DTC Confirmation Procedure ................................467
Diagnosis Procedure .............................................467
DTC P1212 TCS COMMUNICATION LINE .....468
Description .............................................................468
On Board Diagnosis Logic .....................................468
DTC Confirmation Procedure ................................468
Diagnosis Procedure .............................................468
DTC P1217 ENGINE OVER TEMPERATURE .469
Description .............................................................469
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
469
On Board Diagnosis Logic .....................................470
Overall Function Check .........................................470
Wiring Diagram ......................................................472
Diagnosis Procedure .............................................473
Main 13 Causes of Overheating ............................476
Component Inspection ...........................................476
DTC P1225 TP SENSOR ..................................477
Component Description ........................................477
On Board Diagnosis Logic ....................................477
DTC Confirmation Procedure ................................477
Diagnosis Procedure .............................................477
Removal and Installation .......................................478
DTC P1226 TP SENSOR ..................................479
Component Description ........................................479
On Board Diagnosis Logic ....................................479
DTC Confirmation Procedure ................................479
Diagnosis Procedure .............................................479
Removal and Installation .......................................480
DTC P1421 COLD START CONTROL ............481
Description ............................................................481
On Board Diagnosis Logic ....................................481
DTC Confirmation Procedure ................................481
Diagnosis Procedure .............................................481
DTC P1550 BATTERY CURRENT SENSOR ...483
Component Description ........................................483
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
483
On Board Diagnosis Logic ....................................483
DTC Confirmation Procedure ................................483
Wiring Diagram .....................................................485
Diagnosis Procedure .............................................486
Component Inspection ..........................................488
DTC P1551, P1552 BATTERY CURRENT
SENSOR ...........................................................
489
Component Description ........................................489
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
489
On Board Diagnosis Logic ....................................489
DTC Confirmation Procedure ................................489
Wiring Diagram .....................................................491
Diagnosis Procedure .............................................492
Component Inspection ..........................................494
DTC P1553 BATTERY CURRENT SENSOR ...495
Component Description ........................................495
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
495
On Board Diagnosis Logic ....................................495
DTC Confirmation Procedure ................................495
Wiring Diagram .....................................................497
Diagnosis Procedure .............................................498
Component Inspection ..........................................500
DTC P1554 BATTERY CURRENT SENSOR ...501
Component Description ........................................501
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
501
On Board Diagnosis Logic ....................................501
Overall Function Check .........................................501
Wiring Diagram .....................................................503
Diagnosis Procedure .............................................504
Component Inspection ..........................................506
Page 1090 of 3061
EC-7
C
D
E
F
G
H
I
J
K
L
M
ECA
N
O
P
DTC P1564 ICC STEERING SWITCH .............507
Component Description .........................................507
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
507
On Board Diagnosis Logic ....................................507
DTC Confirmation Procedure ................................507
Wiring Diagram .....................................................509
Diagnosis Procedure .............................................510
Component Inspection ..........................................512
DTC P1564 ASCD STEERING SWITCH .........513
Component Description .........................................513
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
513
On Board Diagnosis Logic ....................................513
DTC Confirmation Procedure ................................513
Wiring Diagram .....................................................515
Diagnosis Procedure .............................................516
Component Inspection ..........................................518
DTC P1568 ICC FUNCTION ............................519
On Board Diagnosis Logic ....................................519
DTC Confirmation Procedure ................................519
Diagnosis Procedure .............................................519
DTC P1572 ICC BRAKE SWITCH ...................520
Component Description .........................................520
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
520
On Board Diagnosis Logic ....................................520
DTC Confirmation Procedure ................................520
Wiring Diagram .....................................................522
Diagnosis Procedure .............................................523
Component Inspection ..........................................526
DTC P1572 ASCD BRAKE SWITCH ...............528
Component Description .........................................528
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
528
On Board Diagnosis Logic ....................................528
DTC Confirmation Procedure ................................528
Wiring Diagram .....................................................530
Diagnosis Procedure .............................................531
Component Inspection ..........................................534
DTC P1574 ICC VEHICLE SPEED SENSOR ..535
Component Description .........................................535
On Board Diagnosis Logic ....................................535
DTC Confirmation Procedure ................................535
Diagnosis Procedure .............................................536
DTC P1574 ASCD VEHICLE SPEED SEN-
SOR ..................................................................
537
Component Description .........................................537
On Board Diagnosis Logic ....................................537
DTC Confirmation Procedure ................................537
Diagnosis Procedure .............................................538
DTC P1805 BRAKE SWITCH ..........................539
Description ............................................................539
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
539
On Board Diagnosis Logic .....................................539
DTC Confirmation Procedure ................................539
Wiring Diagram ......................................................540
Diagnosis Procedure .............................................541
Component Inspection ...........................................542
DTC P2100, P2103 THROTTLE CONTROL
MOTOR RELAY ..............................................
543
Component Description .........................................543
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
543
On Board Diagnosis Logic .....................................543
DTC Confirmation Procedure ................................543
Wiring Diagram ......................................................545
Diagnosis Procedure .............................................546
DTC P2101 ELECTRIC THROTTLE CON-
TROL FUNCTION ...........................................
548
Description .............................................................548
On Board Diagnosis Logic .....................................548
DTC Confirmation Procedure ................................548
Wiring Diagram ......................................................549
Diagnosis Procedure .............................................550
Component Inspection ...........................................553
Removal and Installation .......................................553
DTC P2118 THROTTLE CONTROL MOTOR .554
Component Description .........................................554
On Board Diagnosis Logic .....................................554
DTC Confirmation Procedure ................................554
Wiring Diagram ......................................................555
Diagnosis Procedure .............................................556
Component Inspection ...........................................557
Removal and Installation .......................................557
DTC P2119 ELECTRIC THROTTLE CON-
TROL ACTUATOR ..........................................
559
Component Description .........................................559
On Board Diagnosis Logic .....................................559
DTC Confirmation Procedure ................................559
Diagnosis Procedure .............................................560
DTC P2122, P2123 APP SENSOR .................561
Component Description .........................................561
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
561
On Board Diagnosis Logic .....................................561
DTC Confirmation Procedure ................................561
Wiring Diagram ......................................................563
Diagnosis Procedure .............................................564
Component Inspection ...........................................566
Removal and Installation .......................................566
DTC P2127, P2128 APP SENSOR .................567
Component Description .........................................567
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
567
On Board Diagnosis Logic .....................................567
Page 1091 of 3061
EC-8
DTC Confirmation Procedure ................................567
Wiring Diagram ......................................................569
Diagnosis Procedure .............................................570
Component Inspection ...........................................572
Removal and Installation .......................................573
DTC P2135 TP SENSOR .................................574
Component Description .........................................574
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
574
On Board Diagnosis Logic .....................................574
DTC Confirmation Procedure ................................574
Wiring Diagram ......................................................576
Diagnosis Procedure .............................................577
Component Inspection ...........................................579
Removal and Installation .......................................580
DTC P2138 APP SENSOR ..............................581
Component Description .........................................581
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
581
On Board Diagnosis Logic .....................................581
DTC Confirmation Procedure ................................582
Wiring Diagram ......................................................583
Diagnosis Procedure .............................................584
Component Inspection ...........................................587
Removal and Installation .......................................587
DTC P2A00, P2A03 A/F SENSOR 1 ...............588
Component Description .........................................588
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
588
On Board Diagnosis Logic .....................................588
DTC Confirmation Procedure ................................588
Wiring Diagram ......................................................590
Diagnosis Procedure .............................................593
Removal and Installation .......................................596
ASCD BRAKE SWITCH ..................................597
Component Description .........................................597
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
597
Wiring Diagram ......................................................598
Diagnosis Procedure .............................................599
Component Inspection ...........................................602
ASCD INDICATOR ..........................................603
Component Description .........................................603
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
603
Wiring Diagram ......................................................604
Diagnosis Procedure .............................................604
ELECTRICAL LOAD SIGNAL .........................606
Description .............................................................606
CONSULT-II Reference Value in Data Monitor
Mode ......................................................................
606
Diagnosis Procedure .............................................606
FUEL INJECTOR ..............................................608
Component Description ........................................608
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
608
Wiring Diagram .....................................................609
Diagnosis Procedure .............................................610
Component Inspection ..........................................612
Removal and Installation .......................................612
FUEL PUMP .....................................................613
Description ............................................................613
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
613
Wiring Diagram .....................................................614
Diagnosis Procedure .............................................615
Component Inspection ..........................................617
Removal and Installation .......................................618
ICC BRAKE SWITCH .......................................619
Component Description ........................................619
CONSULT-II Reference Value in Data Monitor
Mode .....................................................................
619
Wiring Diagram .....................................................620
Diagnosis Procedure .............................................621
Component Inspection ..........................................624
IGNITION SIGNAL ............................................626
Component Description ........................................626
Wiring Diagram .....................................................627
Diagnosis Procedure .............................................632
Component Inspection ..........................................635
Removal and Installation .......................................637
REFRIGERANT PRESSURE SENSOR ...........638
Component Description ........................................638
Wiring Diagram .....................................................639
Diagnosis Procedure .............................................640
Removal and Installation .......................................642
MIL AND DATA LINK CONNECTOR ...............643
Wiring Diagram .....................................................643
SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................
645
Fuel Pressure ........................................................645
Idle Speed and Ignition Timing .............................645
Calculated Load Value ..........................................645
Mass Air Flow Sensor ...........................................645
Intake Air Temperature Sensor .............................645
Engine Coolant Temperature Sensor ...................645
A/F Sensor 1 Heater .............................................645
Heated Oxygen sensor 2 Heater ..........................645
Crankshaft Position Sensor (POS) .......................646
Camshaft Position Sensor (PHASE) .....................646
Throttle Control Motor ...........................................646
Fuel Injector ..........................................................646
Fuel Pump .............................................................646