2001 NISSAN X-TRAIL ignition

CO-6
[QR]
OVERHEATING CAUSE ANALYSIS
Except cool-
ing system
parts mal-
function— Overload on engineAbusive drivingHigh engine rpm under no
load
Driving in low gear for
extended time
Driving at extremely high
speed
Powertrain system mal-
function
— Installed improper size
wheels and tires
Dragging brakes
Improper ignition timing
Blocked or restricted air
flowBlocked bumper —
— Blocked radiator grilleInstalled car brassiere
Mud contamination or
paper clogging
Blocked radiator —
Blocked condenser
Blocked air flow
Installed large fog lamp Symptom Check items

CO-26
[YD22DDTi]
OVERHEATING CAUSE ANALYSIS
Except cool-
ing system
parts mal-
function— Overload on engineAbusive drivingHigh engine rpm under no
load
Driving in low gear for
extended time
Driving at extremely high
speed
Powertrain system mal-
function
— Installed improper size
wheels and tires
Dragging brakes
Improper ignition timing
Blocked or restricted air
flowBlocked bumper —
— Blocked radiator grilleInstalled car brassiere
Mud contamination or
paper clogging
Blocked radiator —
Blocked condenser
Blocked air flow
Installed large fog lamp Symptom Check items

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION
A
EC
ENGINE CONTROL SYSTEM
QR25(WITH EURO-OBD)
INDEX FOR DTC ...................................................... 20
Alphabetical Index .................................................. 20
DTC No. Index ....................................................... 22
PRECAUTIONS ........................................................ 25
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 25
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 25
Precaution .............................................................. 25
Wiring Diagrams and Trouble Diagnosis ................ 28
PREPARATION ......................................................... 29
Special Service Tools ............................................. 29
Commercial Service Tools ...................................... 29
ENGINE CONTROL SYSTEM .................................. 31
System Diagram ..................................................... 31
Vacuum Hose Drawing ........................................... 32
System Chart ......................................................... 33
Multiport Fuel Injection (MFI) System .................... 33
Electronic Ignition (EI) System ............................... 35
Air Conditioning Cut Control ................................... 36
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 37
CAN Communication .............................................. 37
BASIC SERVICE PROCEDURE .............................. 38
Idle Speed and Ignition Timing Check .................... 38
Accelerator Pedal Released Position Learning ...... 39
Throttle Valve Closed Position Learning ................ 39
Idle Air Volume Learning ........................................ 39
Fuel Pressure Check .............................................. 42
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 44
Introduction ............................................................ 44
Two Trip Detection Logic ........................................ 44
Emission-related Diagnostic Information ................ 45
NATS (Nissan Anti-theft System) ........................... 58
Malfunction Indicator (MI) ....................................... 58
OBD System Operation Chart ................................ 61
TROUBLE DIAGNOSIS ............................................ 67
Trouble Diagnosis Introduction ............................... 67DTC Inspection Priority Chart ................................. 70
Fail-safe Chart ........................................................ 71
Basic Inspection ..................................................... 73
Symptom Matrix Chart ............................................ 77
Engine Control Component Parts Location ............ 81
Circuit Diagram ....................................................... 85
ECM Harness Connector Terminal Layout ............. 87
ECM Terminals and Reference Value ..................
... 87
CONSULT-II Function ............................................. 94
Generic Scan Tool (GST) Function .......................104
CONSULT-II Reference Value in Data Monitor .....106
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................109
TROUBLE DIAGNOSIS - SPECIFICATION VALUE ..111
Description .............................................................111
Testing Condition ...................................................111
Inspection Procedure .............................................111
Diagnostic Procedure ...........................................112
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................115
Description ............................................................115
Diagnostic Procedure ...........................................115
POWER SUPPLY CIRCUIT FOR ECM ...................116
Wiring Diagram .....................................................116
ECM Terminals and Reference Value ...................117
Diagnostic Procedure ...........................................117
Component Inspection ..........................................121
DTC U1000 CAN COMMUNICATION LINE ............122
Description ............................................................122
On Board Diagnosis Logic ....................................122
DTC Confirmation Procedure ...............................122
Wiring Diagram .....................................................123
Diagnostic Procedure ...........................................124
DTC P0011 IVT CONTROL .....................................125
Description ............................................................125
CONSULT-II Reference Value in Data Monitor Mode
.125
ECM Terminals and Reference Value ...................125
On Board Diagnosis Logic ....................................126

EC-5
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ECA Wiring Diagram .................................................... 342
Diagnostic Procedure ........................................... 343
DTC P1706 PNP SWITCH ...................................... 345
Component Description ........................................ 345
CONSULT-II Reference Value in Data Monitor Mode
. 345
ECM Terminals and Reference Value .................. 345
On Board Diagnosis Logic ................................... 345
DTC Confirmation Procedure ............................... 345
Overall Function Check ........................................ 346
Wiring Diagram .................................................... 347
Diagnostic Procedure ........................................... 348
DTC P1805 BRAKE SWITCH ................................ 349
Description ........................................................... 349
CONSULT-II Reference Value in Data Monitor Mode
. 349
ECM Terminals and Reference Value .................. 349
On Board Diagnosis Logic ................................... 349
DTC Confirmation Procedure ............................... 349
Wiring Diagram .................................................... 351
Diagnostic Procedure ........................................... 352
Component Inspection ......................................... 353
DTC P2122, P2123 APP SENSOR ........................ 355
Component Description ........................................ 355
CONSULT-II Reference Value in Data Monitor Mode
. 355
ECM Terminals and Reference Value .................. 355
On Board Diagnosis Logic ................................... 356
DTC Confirmation Procedure ............................... 356
Wiring Diagram .................................................... 357
Diagnostic Procedure ........................................... 358
Component Inspection ......................................... 360
Remove and Installation ....................................... 360
DTC P2127, P2128 APP SENSOR ........................ 361
Component Description ........................................ 361
CONSULT-II Reference Value in Data Monitor Mode
. 361
ECM Terminals and Reference Value .................. 361
On Board Diagnosis Logic ................................... 362
DTC Confirmation Procedure ............................... 362
Wiring Diagram .................................................... 363
Diagnostic Procedure ........................................... 364
Component Inspection ......................................... 366
Remove and Installation ....................................... 366
DTC P2135 TP SENSOR ........................................ 367
Component Description ........................................ 367
CONSULT-II Reference Value in Data Monitor Mode
. 367
ECM Terminals and Reference Value .................. 367
On Board Diagnosis Logic ................................... 368
DTC Confirmation Procedure ............................... 368
Wiring Diagram ................................................
.... 369
Diagnostic Procedure ........................................... 370
Component Inspection ......................................... 372
Remove and Installation ....................................... 372
DTC P2138 APP SENSOR ..................................... 373
Component Description ........................................ 373
CONSULT-II Reference Value in Data Monitor Mode
. 373ECM Terminals and Reference Value ...................373
On Board Diagnosis Logic ....................................374
DTC Confirmation Procedure ...............................374
Wiring Diagram .....................................................375
Diagnostic Procedure ...........................................376
Component Inspection ..........................................378
Remove and Installation .......................................378
IGNITION SIGNAL ..................................................379
Component Description ........................................379
ECM Terminals and Reference Value ...................379
Wiring Diagram .....................................................380
Diagnostic Procedure ...........................................382
Component Inspection ..........................................386
Removal and Installation ......................................387
INJECTOR CIRCUIT ...............................................388
Component Description ........................................388
CONSULT-II Reference Value in Data Monitor Mode
.388
ECM Terminals and Reference Value ...................388
Wiring Diagram .....................................................389
Diagnostic Procedure ...........................................390
Component Inspection ..........................................392
Removal and Installation ......................................392
VIAS ........................................................................393
Description ............................................................393
CONSULT-II Reference Value in Data Monitor Mode
.394
ECM Terminals and Reference Value ...................394
Wiring Diagram .....................................................395
Diagnostic Procedure ...........................................396
Component Inspection ..........................................399
Removal and Installation ......................................400
START SIGNAL ......................................................401
CONSULT-II Reference Value in Data Monitor Mode
.401
ECM Terminals and Reference Value ...................401
Wiring Diagram .....................................................402
Diagnostic Procedure ...........................................403
FUEL PUMP CIRCUIT ............................................405
Description ............................................................405
CONSULT-II Reference Value in Data Monitor Mode
.405
ECM Terminals and Reference Value ..................
.405
Wiring Diagram .....................................................407
Diagnostic Procedure ...........................................408
Component Inspection ..........................................410
Removal and Installation ......................................411
REFRIGERANT PRESSURE SENSOR ..................412
Component Description ........................................412
ECM Terminals and Reference Value ...................412
Wiring Diagram .....................................................413
Diagnostic Procedure ...........................................414
Removal and Installation ......................................415
ELECTRICAL LOAD SIGNAL ................................416
CONSULT-II Reference Value in Data Monitor Mode
.416
ECM Terminals and Reference Value ...................416
Wiring Diagram .....................................................417
Diagnostic Procedure ...........................................419

EC-6
DATA LINK CONNECTOR ......................................424
Wiring Diagram .....................................................424
EVAPORATIVE EMISSION SYSTEM .....................425
Description ............................................................425
Component Inspection ..........................................427
POSITIVE CRANKCASE VENTILATION ...............428
Description ............................................................428
Component Inspection ..........................................428
SERVICE DATA AND SPECIFICATIONS (SDS) ....430
Fuel Pressure .......................................................430
Idle Speed and Ignition Timing .............................430
Calculated Load Value ..........................................430
Mass Air Flow Sensor ...........................................430
Intake Air Temperature Sensor .............................430
Engine Coolant Temperature Sensor ...................430
Heated Oxygen Sensor 1 Heater .........................430
Heated Oxygen sensor 2 Heater ..........................430
Crankshaft Position Sensor (POS) .......................430
Camshaft Position Sensor (PHASE) ....................431
Throttle Control Motor ...........................................431
Injector ..................................................................431
Fuel Pump ............................................................431
QR25(WITHOUT EURO-OBD)
INDEX FOR DTC .....................................................432
Alphabetical Index ................................................432
DTC No. Index ......................................................433
PRECAUTIONS .......................................................435
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ...............................................................435
On Board Diagnostic (OBD) System of Engine and
A/T ........................................................................435
Precaution ............................................................435
Wiring Diagrams and Trouble Diagnosis ..............438
PREPARATION .......................................................439
Special Service Tools ...........................................439
Commercial Service Tools ....................................439
ENGINE CONTROL SYSTEM ................................441
System Diagram ...................................................441
Vacuum Hose Drawing .........................................442
System Chart ........................................................443
Multiport Fuel Injection (MFI) System ...................443
Electronic Ignition (EI) System .............................445
Air Conditioning Cut Control .................................446
Fuel Cut Control (at No Load and High Engine
Speed) ..................................................................447
CAN Communication ............................................447
BASIC SERVICE PROCEDURE .............................448
Idle Speed and Ignition Timing Check ..................448
Accelerator Pedal Released Position Learning ....449
Throttle Valve Closed Position Learning ...............449
Idle Air Volume Learning ......................................450
Fuel Pressure Check ............................................452
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..........454
Introduction ...........................................................454
Two Trip Detection Logic ......................................454
Emission-related Diagnostic Information ..............454NATS (Nissan Anti-theft System) ..........................456
Malfunction Indicator (MI) .....................................457
TROUBLE DIAGNOSIS ..........................................460
Trouble Diagnosis Introduction .............................460
DTC Inspection Priority Chart ...............................463
Fail-safe Chart ......................................................464
Basic Inspection ....................................................465
Symptom Matrix Chart ..........................................469
Engine Control Component Parts Location ...........473
Circuit Diagram .....................................................477
ECM Harness Connector Terminal Layout ............479
ECM Terminals and Reference Value ...................479
CONSULT-II Function ...........................................486
CONSULT-II Reference Value in Data Monitor .....496
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................499
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .502
Description ............................................................502
Testing Condition ..................................................502
Inspection Procedure ........................................... .502
Diagnostic Procedure ............................................503
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................506
Description ............................................................506
Diagnostic Procedure ............................................506
POWER SUPPLY CIRCUIT FOR ECM ...................507
Wiring Diagram .....................................................507
ECM Terminals and Reference Value ...................508
Diagnostic Procedure ............................................508
Component Inspection ..........................................512
DTC U1000 CAN COMMUNICATION LINE ............513
Description ............................................................513
On Board Diagnosis Logic ....................................513
DTC Confirmation Procedure ................................513
Wiring Diagram .....................................................514
Diagnostic Procedure ............................................515
DTC P0102, P0103 MAF SENSOR .........................516
Component Description ........................................516
CONSULT-II Reference Value in Data Monitor Mode
.516
ECM Terminals and Reference Value ...................516
On Board Diagnosis Logic ....................................516
DTC Confirmation Procedure ................................517
Wiring Diagram .....................................................519
Diagnostic Procedure ............................................520
Component Inspection ..........................................522
Removal and Installation .......................................522
DTC P0117, P0118 ECT SENSOR ..........................523
Component Description ........................................523
On Board Diagnosis Logic ....................................523
DTC Confirmation Procedure ................................524
Wiring Diagram .....................................................525
Diagnostic Procedure ............................................526
Component Inspection ..........................................527
Removal and Installation .......................................527
DTC P0122, P0123 TP SENSOR ............................528
Component Description ........................................528
CONSULT-II Reference Value in Data Monitor Mode
.528

EC-9
C
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ECA HO2S1 .................................................................... 671
Component Description ........................................ 671
CONSULT-II Reference Value in Data Monitor Mode
. 671
ECM Terminals and Reference Value .................. 671
Wiring Diagram .................................................... 672
Diagnostic Procedure ........................................... 673
Component Inspection ......................................... 674
Removal and Installation ...................................... 676
HO2S2 .................................................................... 677
Component Description ........................................ 677
CONSULT-II Reference Value in Data Monitor Mode
. 677
ECM Terminals and Reference Value .................. 677
Wiring Diagram .................................................... 678
Diagnostic Procedure ........................................... 679
Component Inspection ......................................... 680
Removal and Installation ...................................... 682
IGNITION SIGNAL .................................................. 683
Component Description ........................................ 683
ECM Terminals and Reference Value .................. 683
Wiring Diagram .................................................... 684
Diagnostic Procedure ........................................... 686
Component Inspection ......................................... 690
Removal and Installation ...................................... 691
EVAP CANISTER PURGE VOLUME CONTROL
SOLENOID VALVE ................................................. 692
Description ........................................................... 692
CONSULT-II Reference Value in Data Monitor Mode
. 692
ECM Terminals and Reference Value .................. 692
Wiring Diagram .................................................... 694
Diagnostic Procedure ........................................... 695
Component Inspection ......................................... 698
Removal and Installation ...................................... 698
IVT CONTROL SOLENOID VALVE ........................ 699
Description ........................................................... 699
CONSULT-II Reference Value in Data Monitor Mode
. 699
ECM Terminals and Reference Value .................. 700
Wiring Diagram .................................................... 701
Diagnostic Procedure ........................................... 702
Component Inspection ......................................... 704
Removal and Installation ...................................... 704
PNP SWITCH .......................................................... 705
Component Description ........................................ 705
CONSULT-II Reference Value in Data Monitor Mode
. 705
ECM Terminals and Reference Value .................. 705
Wiring Diagram ...................................................
. 706
Diagnostic Procedure ........................................... 707
INJECTOR CIRCUIT ............................................... 709
Component Description ........................................ 709
CONSULT-II Reference Value in Data Monitor Mode
. 709
ECM Terminals and Reference Value .................. 709
Wiring Diagram .................................................... 710
Diagnostic Procedure ............................................ 711Component Inspection ..........................................713
Removal and Installation ......................................713
VIAS ........................................................................714
Description ............................................................714
CONSULT-II Reference Value in Data Monitor Mode
.715
ECM Terminals and Reference Value ...................715
Wiring Diagram .....................................................716
Diagnostic Procedure ...........................................717
Component Inspection ..........................................720
Removal and Installation ......................................721
START SIGNAL ......................................................722
CONSULT-II Reference Value in Data Monitor Mode
.722
ECM Terminals and Reference Value ...................722
Wiring Diagram .....................................................723
Diagnostic Procedure ...........................................724
FUEL PUMP CIRCUIT ............................................726
Description ............................................................726
CONSULT-II Reference Value in Data Monitor Mode
.726
ECM Terminals and Reference Value ...................726
Wiring Diagram .....................................................728
Diagnostic Procedure ...........................................729
Component Inspection ..........................................731
Removal and Installation ......................................732
REFRIGERANT PRESSURE SENSOR ..................733
Component Description ........................................733
ECM Terminals and Reference Value ...................733
Wiring Diagram .....................................................734
Diagnostic Procedure ...........................................735
Removal and Installation ......................................736
ELECTRICAL LOAD SIGNAL ................................737
CONSULT-II Reference Value in Data Monitor Mode
.737
ECM Terminals and Reference Value ...................737
Wiring Diagram .....................................................738
Diagnostic Procedure ...........................................740
DATA LINK CONNECTOR ......................................745
Wiring Diagram .....................................................745
EVAPORATIVE EMISSION SYSTEM .....................746
Description ...................................................
.........746
Component Inspection ..........................................748
POSITIVE CRANKCASE VENTILATION ...............749
Description ............................................................749
Component Inspection ..........................................749
SERVICE DATA AND SPECIFICATIONS (SDS) ....751
Fuel Pressure .......................................................751
Idle Speed and Ignition Timing .............................751
Calculated Load Value ..........................................751
Mass Air Flow Sensor ...........................................751
Intake Air Temperature Sensor .............................751
Engine Coolant Temperature Sensor ...................751
Heated Oxygen Sensor 1 Heater .........................751
Heated Oxygen sensor 2 Heater ..........................751
Crankshaft Position Sensor (POS) .......................751
Camshaft Position Sensor (PHASE) ....................752
Throttle Control Motor ...........................................752

EC-10
Injector ..................................................................752
Fuel Pump ............................................................752
QR20(WITH EURO-OBD)
INDEX FOR DTC .....................................................753
Alphabetical Index ................................................753
DTC No. Index ......................................................755
PRECAUTIONS .......................................................757
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ...............................................................757
On Board Diagnostic (OBD) System of Engine and
A/T ........................................................................757
Precaution ............................................................757
Wiring Diagrams and Trouble Diagnosis ..............760
PREPARATION .......................................................761
Special Service Tools ...........................................761
Commercial Service Tools ....................................761
ENGINE CONTROL SYSTEM ................................763
System Diagram ...................................................763
Vacuum Hose Drawing .........................................764
System Chart ........................................................765
Multiport Fuel Injection (MFI) System ...................765
Electronic Ignition (EI) System .............................768
Air Conditioning Cut Control .................................768
Fuel Cut Control (at No Load and High Engine
Speed) ..................................................................769
CAN Communication ............................................769
BASIC SERVICE PROCEDURE .............................771
Idle Speed and Ignition Timing Check ..................771
Accelerator Pedal Released Position Learning ....772
Throttle Valve Closed Position Learning ...............772
Idle Air Volume Learning ......................................772
Fuel Pressure Check ............................................775
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..........777
Introduction ...........................................................777
Two Trip Detection Logic ......................................777
Emission-related Diagnostic Information ..............778
NATS (Nissan Anti-theft System) ..........................790
Malfunction Indicator (MI) .....................................790
OBD System Operation Chart ..............................793
TROUBLE DIAGNOSIS ..........................................799
Trouble Diagnosis Introduction .............................799
DTC Inspection Priority Chart ...............................802
Fail-safe Chart ......................................................803
Basic Inspection ...................................................805
Symptom Matrix Chart ..........................................809
Engine Control Component Parts Location ..........813
Circuit Diagram .....................................................817
ECM Harness Connector Terminal Layout ...........819
ECM Terminals and Reference Value ...................819
CONSULT-II Function ...........................................826
Generic Scan Tool (GST) Function .......................836
CONSULT-II Reference Value in Data Monitor .....838
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................840
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .843
Description ............................................................843Testing Condition ..................................................843
Inspection Procedure ........................................... .843
Diagnostic Procedure ............................................844
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................847
Description ............................................................847
Diagnostic Procedure ............................................847
POWER SUPPLY CIRCUIT FOR ECM ...................848
Wiring Diagram .....................................................848
ECM Terminals and Reference Value ...................849
Diagnostic Procedure ............................................849
Component Inspection ..........................................853
DTC U1000 CAN COMMUNICATION LINE ............854
Description ............................................................854
On Board Diagnosis Logic ....................................854
DTC Confirmation Procedure ................................854
Wiring Diagram .....................................................855
Diagnostic Procedure ............................................856
DTC P0011 IVT CONTROL .....................................857
Description ............................................................857
CONSULT-II Reference Value in Data Monitor Mode
.857
ECM Terminals and Reference Value ...................857
On Board Diagnosis Logic ....................................858
DTC Confirmation Procedure ................................858
Diagnostic Procedure ............................................859
DTC P0031, P0032 HO2S1 HEATER ......................860
Description ............................................................860
CONSULT-II Reference Value in Data Monitor Mode
.860
ECM Terminals and Reference Value ...................860
On Board Diagnosis Logic ....................................861
DTC Confirmation Procedure ................................861
Wiring Diagram .....................................................862
Diagnostic Procedure ............................................863
Component Inspection ..........................................864
Removal and Installation .......................................864
DTC P0037, P0038 HO2S2 HEATER .....................
.865
Description ............................................................865
CONSULT-II Reference Value in Data Monitor Mode
.865
ECM Terminals and Reference Value ...................865
On Board Diagnosis Logic ....................................866
DTC Confirmation Procedure ................................866
Wiring Diagram .....................................................867
Diagnostic Procedure ............................................868
Component Inspection ..........................................869
Removal and Installation .......................................869
DTC P0102, P0103 MAF SENSOR .........................870
Component Description ........................................870
CONSULT-II Reference Value in Data Monitor Mode
.870
ECM Terminals and Reference Value ...................870
On Board Diagnosis Logic ....................................870
DTC Confirmation Procedure ................................871
Wiring Diagram .....................................................872
Diagnostic Procedure ............................................873
Component Inspection ..........................................874
Removal and Installation .......................................875

EC-13
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ECA On Board Diagnosis Logic ..................................1018
DTC Confirmation Procedure ..............................1018
Wiring Diagram ...................................................1020
Diagnostic Procedure ..........................................1021
Component Inspection ........................................1022
DTC P1143 HO2S1 ................................................1023
Component Description .......................................1023
CONSULT-II Reference Value in Data Monitor Mode
1023
ECM Terminals and Reference Value .................1023
On Board Diagnosis Logic ..................................1024
DTC Confirmation Procedure ..............................1024
Overall Function Check .......................................1025
Diagnostic Procedure ..........................................1025
Component Inspection ........................................1027
Removal and Installation .....................................1028
DTC P1144 HO2S1 ................................................1029
Component Description .......................................1029
CONSULT-II Reference Value in Data Monitor Mode
1029
ECM Terminals and Reference Value .................1029
On Board Diagnosis Logic ..................................1030
DTC Confirmation Procedure ..............................1030
Overall Function Check .......................................1031
Diagnostic Procedure ..........................................1031
Component Inspection ........................................1033
Removal and Installation .....................................1034
DTC P1146 HO2S2 ................................................1035
Component Description .......................................1035
CONSULT-II Reference Value in Data Monitor Mode
1035
ECM Terminals and Reference Value .................1035
On Board Diagnosis Logic ..................................1035
DTC Confirmation Procedure ..............................1036
Overall Function Check .......................................1037
Wiring Diagram ...................................................1038
Diagnostic Procedure ..........................................1039
Component Inspection ........................................1040
Removal and Installation .....................................1041
DTC P1147 HO2S2 ................................................1042
Component Description .......................................1042
CONSULT-II Reference Value in Data Monitor Mode
1042
ECM Terminals and Reference Value .................1042
On Board Diagnosis Logic ..................................1042
DTC Confirmation Procedure ..............................1043
Overall Function Check .......................................1044
Wiring Diagram ...................................................1045
Diagnostic Procedure ..........................................1046
Component Inspection ........................................1047
Removal and Installation .....................................1048
DTC P1212 ESP/TCS/ABS COMMUNICATION
LINE .......................................................................1049
Description ..........................................................1049
On Board Diagnosis Logic ..................................1049
DTC Confirmation Procedure ..............................1049
Diagnostic Procedure ..........................................1049
DTC P1217 ENGINE OVER TEMPERATURE ......1050
System Description .............................................1050CONSULT-II Reference Value in Data Monitor Mode
1050
ECM Terminals and Reference Value ..................1051
On Board Diagnosis Logic ...................................1051
Overall Function Check .......................................1052
Wiring Diagram ....................................................1054
Diagnostic Procedure ..........................................1055
Main 12 Causes of Overheating ..........................1062
Component Inspection .........................................1063
DTC P1706 PNP SWITCH .....................................1064
Component Description .......................................1064
CONSULT-II Reference Value in Data Monitor Mode
1064
ECM Terminals and Reference Value ..................1064
On Board Diagnosis Logic ...................................1064
DTC Confirmation Procedure ..............................1064
Overall Function Check .......................................1065
Wiring Diagram ....................................................1066
Diagnostic Procedure ..........................................1067
DTC P1805 BRAKE SWITCH ................................1068
Description ...........................................................1068
CONSULT-II Reference Value in Data Monitor Mode
1068
ECM Terminals and Reference Value ..................1068
On Board Diagnosis Logic ...................................1068
DTC Confirmation Procedure ..............................1068
Wiring Diagram ....................................................1070
Diagnostic Procedure ..........................................1071
Component Inspection .........................................1072
IGNITION SIGNAL .................................................1074
Component Description .......................................1074
ECM Terminals and Reference Value ..................1074
Wiring Diagram ....................................................1075
Diagnostic Procedure ..........................................1077
Component Inspection .........................................1081
Removal and Installation .....................................1082
INJECTOR CIRCUIT ..............................................1083
Component Description .......................................1083
CONSULT-II Reference Value in Data Monitor Mode
1083
ECM Terminals and Reference Value ..................1083
Wiring Diagram ....................................................
1084
Diagnostic Procedure ..........................................1085
Component Inspection .........................................1087
Removal and Installation .....................................1087
START SIGNAL .....................................................1088
CONSULT-II Reference Value in Data Monitor Mode
1088
ECM Terminals and Reference Value ..................1088
Wiring Diagram ....................................................1089
Diagnostic Procedure ..........................................1090
FUEL PUMP CIRCUIT ...........................................1092
Description ...........................................................1092
CONSULT-II Reference Value in Data Monitor Mode
1092
ECM Terminals and Reference Value ..................1092
Wiring Diagram ....................................................1094
Diagnostic Procedure ..........................................1095