2004 INFINITI QX56 sensor
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DI-64
REAR SONAR SYSTEM
Revision: August 20072004 QX56
Terminals And Reference Value For Sonar Control UnitEKS007EV
How to Proceed With Trouble DiagnosisEKS007EW
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to DI-60, "
System Description" .
3. Perform pre-diagnosis inspection. Refer to DI-65, "
Pre-diagnosis Inspection" .
4. Perform self-diagnosis. Refer to DI-65, "
Self-diagnosis Function" .
5. Perform the preliminary check. Refer to DI-67, "
Preliminary Check" .
6. Check symptom and repair or replace the cause of malfunction. Refer to DI-68, "
Symptom Chart" .
7. Does the rear sonar system operate properly? If so, go to 8. If not, go to 3.
8. Clear fault codes. Refer to DI-66, "
IDLING OR CLEARING FAULT CODES MODE" .
9. Inspection End.
TERMINAL
(COLOR)ITEMCONDITION
Reference value (V)
(Approx.) IGNITION
SWITCHOPERATION
3 (R) Sonar buzzer return ON — 0 - 12 (variable)
4 (BR/Y)Rear sonar system
OFF indicator outputONRear sonar system OFF
switch ON 0
OFF 12
5 (G/W) Reverse signal ONTransmission gear
selector leverR position 12
Transmission gear
selector leverNot R position 0
6 (B)Sonar control unit
ground —— 0
7 (L) Sonar buzzer drive
signalON — 12
8 (G/R)Sonar control unit
powerON — 12
9 (GR)Rear sonar sensor
signal - RH outerON
Rear sonar system OFF switch ON
Transmission gear selector lever in R
position
No obstacles12
10 (P)Rear sonar sensor
signal - LH outerON
Rear sonar system OFF switch ON
Transmission gear selector lever in R
position
No obstacles12
11 ( O )Rear sonar sensor
signal - LH innerON
Rear sonar system OFF switch ON
Transmission gear selector lever in R
position
Distance obstacles12
12 (LG)Rear sonar sensor
signal - RH innerON
Rear sonar system OFF switch ON
Transmission gear selector lever in R
position
Distance obstacles12
13 (LG)Rear sonar system
OFF switch signalONRear sonar system OFF
switchON 0
OFF 12
15 (Y)Rear sonar sensor
groundON — 0
16 (LG/B)Rear sonar sensor
powerON Ignition switch ON 12
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REAR SONAR SYSTEM
DI-65
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Pre-diagnosis InspectionEKS007EX
SENSOR STATUS CHECK
Check that the rear sonar sensor is properly aligned (bumper is not misaligned, no deformation in sensor
mounting area.
Check that snow, mud, or other foreign objects are not adhering to the rear sonar sensor.
Check that there is no deformation, scratches, or other damage to the rear sonar sensor.
Check that water has not accumulated in the rear sonar sensor.
CAUTION:
Use water, cotton swab, or other soft material for cleaning the sensor.
1. Check that there are no obstacles within each rear sonar sensor's detection range.
2. Check that there are no nearby ultrasound sources (such as the sounds of vehicle horns, motorcycle
engines, or truck air brakes).
3. Check that the vehicle is on a level surface.
Self-diagnosis FunctionEKS007EY
There are four modes of self-diagnosis; entering diagnostics, requesting number of fault codes, requesting
fault codes, and idling or clearing fault codes. These steps must be followed in order. Self-diagnosis can be
manually exited by turning the ignition switch OFF, or selecting reverse gear. Self-diagnosis will exit unless a
fault code request occurs before a message is repeated five times without acknowledgement.
ENTERING DIAGNOSTICS MODE
1. Turn ignition switch ON. Rear sonar system OFF switch indica-
tor lamp illuminates for three seconds and then turns off.
2. Immediately push rear sonar system OFF switch ten times
within five seconds.
3. The sonar buzzer will sound once and the rear sonar system
OFF indicator will flash once.
REQUESTING NUMBER OF FAULT CODES MODE
1. While in diagnostic mode, push rear sonar system OFF switch
once.
2. The sonar buzzer will sound once.
3. Rear sonar system OFF indicator will flash once and sonar
buzzer will sound once for each fault code detected.
4. There will be a four second pause.
5. The number of fault codes will repeat five times then pause.
NOTE:
Self-diagnosis will exit unless requesting fault codes occurs
before five repeats ends.
Detection range
Rear sonar sensors Approx. 1.8 m (5.9 ft.) maximum
LKIA0389E
LKIA0388E
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DI-66
REAR SONAR SYSTEM
Revision: August 20072004 QX56
REQUESTING FAULT CODES MODE
1. While in "requesting number of fault codes" mode, push rear
sonar system OFF switch once.
2. The sonar buzzer will sound once.
3. Rear sonar system OFF indicator will flash and sonar buzzer will
sound the first digit of the fault code followed by a one second
pause.
4. Rear sonar system OFF indicator will flash and sonar buzzer will
sound the second digit of the fault code followed by a four sec-
ond pause.
5. The fault codes will repeat five times then pause.
NOTE:
Requesting fault codes will exit unless the fault code is acknowledged before five repeats ends.
The fault code is acknowledged by pushing the rear sonar system OFF switch once (the sonar buzzer
may sound). When all fault codes have been indicated, idle mode will be entered. See the following table
for fault code identification.
IDLING OR CLEARING FAULT CODES MODE
NOTE:
While in idle mode, self-diagnosis will automatically exit if no activity occurs for thirty seconds.
1. Push and hold rear sonar system OFF switch for three seconds
to reset time-out counter.
2. Push and hold rear sonar system OFF switch for three seconds
to clear codes.
Fault Code Malfunction Page Reference
1 1Rear sonar sensor LH
outer
Check harness for open
or short. If NG repair or
replace harness. If OK
replace sensor. Refer to
DI-69, "
REAR SONAR
SENSORS" . 1 2Rear sonar sensor LH
inner
1 3Rear sonar sensor RH
inner
1 4Rear sonar sensor RH
outer
2 1 Sonar buzzerDI-69, "
SONAR BUZZER"
2 2Rear sonar system OFF
indicatorDI-69, "
REAR SONAR
SYSTEM OFF INDICA-
TOR"
2 3Rear sonar system OFF
switchDI-69, "REAR SONAR
SYSTEM OFF SWITCH"
2 4 Sonar control unitReplace sonar control
unit. Refer to DI-69, "SONAR CONTROL
UNIT"
LKIA0390E
LKIA0391E
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DI-68
REAR SONAR SYSTEM
Revision: August 20072004 QX56
Symptom Chart EKS007F0
Symptom Repair order
When the rear sonar system OFF switch is OFF, the indicator
lamp does not light and the buzzer does not sound.1. Check rear sonar system OFF switch for malfunction. Refer to
DI-69, "
REAR SONAR SYSTEM OFF SWITCH" .
2. Check rear sonar system OFF switch ground circuit.
3. Check harness and connections between rear sonar system
OFF switch and sonar control unit.
4. Replace sonar control unit. Refer to DI-69, "
SONAR CON-
TROL UNIT" .
When the rear sonar system OFF switch is OFF, the indicator
lamp does not light but buzzer sounds.1. Check rear sonar system OFF indicator for malfunction. Refer
to DI-69, "
REAR SONAR SYSTEM OFF INDICATOR" .
2. Check harness and connections between rear sonar system
OFF indicator and sonar control unit.
3. Replace sonar control unit. Refer to DI-69, "
SONAR CON-
TROL UNIT" .
When the rear sonar system OFF switch is OFF, the sonar
buzzer does not sound but indicator lamp illuminates.1. Check sonar buzzer. Refer to DI-69, "
SONAR BUZZER" .
2. Check harness and connections between sonar buzzer and
sonar control unit.
3. Replace sonar control unit. Refer to: DI-69, "
SONAR CON-
TROL UNIT" .
When rear sonar system OFF switch is ON, the rear sonar sys-
tem OFF indicator lamp lights up and the sonar buzzer sounds
intermittently (for about 4 seconds).1. Check harness between rear sonar sensors and sonar control
unit for an open condition.
2. Check rear sonar sensors for malfunction.
3. Replace sonar control unit. Refer to DI-69, "
SONAR CON-
TROL UNIT" .
The rear sonar system operates with the rear sonar system OFF
switch OFF.1. Check rear sonar system OFF switch for malfunction. Refer to
DI-69, "
REAR SONAR SYSTEM OFF SWITCH" .
2. Check rear sonar system OFF switch ground circuit.
3. Check harness and connections between rear sonar system
OFF switch and sonar control unit.
4. Replace sonar control unit. Refer to DI-69, "
SONAR CON-
TROL UNIT" .
When the transmission gear selector lever is in the R position
and the rear sonar system OFF switch is OFF, the sonar system
does not operate.1. Check for PNP switch failure. Refer to AT- 9 3 , "
SELF-DIAG-
NOSTIC RESULT MODE" .
2. Check harness and connections between sonar control unit
and PNP/reverse lamp circuits.
3. Replace sonar control unit. Refer to DI-69, "
SONAR CON-
TROL UNIT" .
When the rear sonar system OFF switch is OFF, the indicator
lamp lights up and buzzer sounds although there is no obstacle
within the detection range.1. Check for adhesion of snow, mud, or other foreign objects to
rear sonar sensors; dew condensation; etc. Refer to DI-65,
"Pre-diagnosis Inspection" .
2. Check that the rear sonar sensor is properly aligned (bumper
is not misaligned, no deformation in sensor mounting area
3. Check harness and connections between rear sonar sensors
and sonar control unit.
4. Check rear sonar sensors for malfunction.
5. Replace sonar control unit. Refer to DI-69, "
SONAR CON-
TROL UNIT" .
The rear sonar sensors do not operate according to the distance
between each sensor and the obstacle. (There is a large error in
the obstacle detection distance.1. Check rear sonar sensors for malfunction.
2. Replace sonar control unit. Refer to DI-69, "
SONAR CON-
TROL UNIT" .
3. Check for adhesion of snow, mud, or other foreign objects to
rear sonar sensors; dew condensation; etc. Refer to DI-65,
"Pre-diagnosis Inspection" .
4. Check that the rear sonar sensor is properly aligned (bumper
is not misaligned, no deformation in sensor mounting area
Page 1172 of 3371
REAR SONAR SYSTEM
DI-69
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Component InspectionEKS007F1
SONAR BUZZER
1. Disconnect the sonar buzzer connector.
2. Check continuity between buzzer connector M117 terminal (+)
and terminal (-)
REAR SONAR SYSTEM OFF SWITCH
Disconnect the rear sonar system OFF switch connector M116.
Check continuity between the following terminals.
REAR SONAR SYSTEM OFF INDICATOR
Disconnect the rear sonar system OFF switch connector M116, and
apply battery voltage (approx. 12V) to terminal 5. Check the rear
sonar system OFF indicator operation when terminal 6 is connected
to battery ground.
Removal and Installation of Rear Sonar SystemEKS007F2
REAR SONAR SENSORS
Refer to EI-15, "Removal and Installation" for rear sonar sensor removal and installation procedures.
SONAR CONTROL UNIT
REMOVAL
1. Remove luggage side finisher lower LH. Refer to EI-39, "LUGGAGE FLOOR TRIM" .
2. Disconnect electrical connector. Refer to DI-59, "
Component Parts and Harness Connector Location" .
3. Remove sonar control unit screws.
4. Remove sonar control unit.
INSTALLATION
Installation is in the reverse order of removal.(+) - (-) : Continuity should exist
WKIA2024E
Rear sonar system OFF
switch Terminal to be inspected Continuity
ON
1 - 2Ye s
OFF No
WKIA2025E
Terminal to be
inspectedCondition Operation
Rear sonar sys-
tem OFF switch5 Approx. 12V Rear sonar
system OFF
indicator lights 6Ground
WKIA2026E
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EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
A
EC
Revision: August 20072004 QX56 INDEX FOR DTC ........................................................ 8
Alphabetical Index .................................................... 8
DTC No. Index ....................................................... 12
PRECAUTIONS ........................................................ 16
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 16
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 16
Precaution .............................................................. 16
Wiring Diagrams and Trouble Diagnosis ................ 19
PREPARATION ......................................................... 20
Special Service Tools ............................................. 20
Commercial Service Tools ...................................... 22
ENGINE CONTROL SYSTEM .................................. 23
System Diagram ..................................................... 23
Vacuum Hose Drawing ........................................... 24
System Chart ......................................................... 25
Multiport Fuel Injection (MFI) System .................... 26
Electronic Ignition (EI) System ............................... 28
Nissan Torque Demand (NTD) Control System ..... 29
Air Conditioning Cut Control ................................... 30
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 30
CAN communication .............................................. 31
BASIC SERVICE PROCEDURE .............................. 32
Idle Speed and Ignition Timing Check .................... 32
Idle Speed/Ignition Timing/Idle Mixture Ratio
Adjustment ............................................................. 33
Accelerator Pedal Released Position Learning ...... 44
Throttle Valve Closed Position Learning ................ 44
Idle Air Volume Learning ........................................ 44
Fuel Pressure Check .............................................. 46
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 49
Introduction ............................................................ 49
Two Trip Detection Logic ........................................ 49
Emission-related Diagnostic Information ................ 50
IVIS (Infiniti Vehicle Immobilizer System — NATS) ... 63
Malfunction Indicator Lamp (MIL) ........................... 63
OBD System Operation Chart ................................ 66TROUBLE DIAGNOSIS ............................................ 71
Trouble Diagnosis Introduction ............................... 71
DTC Inspection Priority Chart ................................. 76
Fail-safe Chart ........................................................ 77
Basic Inspection ..................................................... 79
Symptom Matrix Chart ............................................ 84
Engine Control Component Parts Location ............ 88
Circuit Diagram ....................................................... 94
ECM Harness Connector Terminal Layout ............. 96
ECM Terminals and Reference Value ..................... 96
CONSULT-II Function ...........................................103
Generic Scan Tool (GST) Function .......................116
CONSULT-II Reference Value in Data Monitor .....118
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................121
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .123
Description ............................................................123
Testing Condition ..................................................123
Inspection Procedure ............................................123
Diagnostic Procedure ...........................................124
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................127
Description ............................................................127
Diagnostic Procedure ...........................................127
POWER SUPPLY AND GROUND CIRCUIT ...........128
Wiring Diagram .....................................................128
Diagnostic Procedure ...........................................129
Ground Inspection ................................................133
DTC U1000, U1001 CAN COMMUNICATION LINE .135
Description ............................................................135
On Board Diagnosis Logic ....................................135
DTC Confirmation Procedure ...............................135
Wiring Diagram .....................................................136
Diagnostic Procedure ...........................................137
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER .138
Description ............................................................138
CONSULT-II Reference Value in Data Monitor Mode
.138
On Board Diagnosis Logic ....................................138
DTC Confirmation Procedure ...............................139
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EC-2Revision: August 20072004 QX56 Wiring Diagram .....................................................140
Diagnostic Procedure ...........................................143
Component Inspection ..........................................145
Removal and Installation ......................................145
DTC P0101 MAF SENSOR .....................................146
Component Description ........................................146
CONSULT-II Reference Value in Data Monitor Mode
.146
On Board Diagnosis Logic ....................................146
DTC Confirmation Procedure ...............................147
Overall Function Check ........................................148
Wiring Diagram .....................................................149
Diagnostic Procedure ...........................................150
Component Inspection ..........................................153
Removal and Installation ......................................153
DTC P0102, P0103 MAF SENSOR .........................154
Component Description ........................................154
CONSULT-II Reference Value in Data Monitor Mode
.154
On Board Diagnosis Logic ....................................154
DTC Confirmation Procedure ...............................155
Wiring Diagram .....................................................156
Diagnostic Procedure ...........................................157
Component Inspection ..........................................160
Removal and Installation ......................................160
DTC P0112, P0113 IAT SENSOR ...........................161
Component Description ........................................161
On Board Diagnosis Logic ....................................161
DTC Confirmation Procedure ...............................161
Wiring Diagram .....................................................162
Diagnostic Procedure ...........................................163
Component Inspection ..........................................164
Removal and Installation ......................................164
DTC P0117, P0118 ECT SENSOR ..........................165
Component Description ........................................165
On Board Diagnosis Logic ....................................165
DTC Confirmation Procedure ...............................166
Wiring Diagram .....................................................167
Diagnostic Procedure ...........................................168
Component Inspection ..........................................169
Removal and Installation ......................................170
DTC P0122, P0123 TP SENSOR ............................171
Component Description ........................................171
CONSULT-II Reference Value in Data Monitor Mode
.171
On Board Diagnosis Logic ....................................171
DTC Confirmation Procedure ...............................172
Wiring Diagram .....................................................173
Diagnostic Procedure ...........................................174
Component Inspection ..........................................177
Removal and Installation ......................................177
DTC P0125 ECT SENSOR ......................................178
Component Description ........................................178
On Board Diagnosis Logic ....................................178
DTC Confirmation Procedure ...............................179
Diagnostic Procedure ...........................................179
Component Inspection ..........................................180
Removal and Installation ......................................180
DTC P0127 IAT SENSOR .......................................181Component Description ........................................ 181
On Board Diagnosis Logic .................................... 181
DTC Confirmation Procedure ................................ 181
Diagnostic Procedure ............................................ 182
Component Inspection .......................................... 183
Removal and Installation ....................................... 183
DTC P0128 THERMOSTAT FUNCTION ................. 184
On Board Diagnosis Logic .................................... 184
DTC Confirmation Procedure ................................ 184
Diagnostic Procedure ............................................ 184
Component Inspection .......................................... 184
Removal and Installation ....................................... 185
DTC P0138, P0158 HO2S2 ..................................... 186
Component Description ........................................ 186
CONSULT-II Reference Value in Data Monitor Mode
. 186
On Board Diagnosis Logic .................................... 186
DTC Confirmation Procedure ................................ 187
Wiring Diagram ..................................................... 188
Diagnostic Procedure ............................................ 191
Component Inspection .......................................... 194
Removal and Installation ....................................... 195
DTC P0139, P0159 HO2S2 ..................................... 196
Component Description ........................................ 196
CONSULT-II Reference Value in Data Monitor Mode
. 196
On Board Diagnosis Logic .................................... 196
DTC Confirmation Procedure ................................ 197
Overall Function Check ......................................... 197
Wiring Diagram ..................................................... 199
Diagnostic Procedure ............................................ 202
Component Inspection .......................................... 205
Removal and Installation ....................................... 207
DTC P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION .............................................................. 208
On Board Diagnosis Logic .................................... 208
DTC Confirmation Procedure ................................ 208
Wiring Diagram ..................................................... 210
Diagnostic Procedure ............................................ 212
DTC P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION .............................................................. 217
On Board Diagnosis Logic .................................... 217
DTC Confirmation Procedure ................................ 217
Wiring Diagram ..................................................... 219
Diagnostic Procedure ............................................ 221
DTC P0181 FTT SENSOR ...................................... 225
Component Description ........................................ 225
On Board Diagnosis Logic .................................... 225
DTC Confirmation Procedure ................................ 225
Wiring Diagram ..................................................... 227
Diagnostic Procedure ............................................ 228
Component Inspection .......................................... 229
Removal and Installation ....................................... 230
DTC P0182, P0183 FTT SENSOR .......................... 231
Component Description ........................................ 231
On Board Diagnosis Logic .................................... 231
DTC Confirmation Procedure ................................ 231
Wiring Diagram ..................................................... 232
Diagnostic Procedure ............................................ 233
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EC-3
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Revision: August 20072004 QX56 Component Inspection ......................................... 234
Removal and Installation ...................................... 235
DTC P0222, P0223 TP SENSOR ........................... 236
Component Description ........................................ 236
CONSULT-II Reference Value in Data Monitor Mode
. 236
On Board Diagnosis Logic ................................... 236
DTC Confirmation Procedure ............................... 237
Wiring Diagram .................................................... 238
Diagnostic Procedure ........................................... 239
Component Inspection ......................................... 242
Removal and Installation ...................................... 242
DTC P0300 - P0308 MULTIPLE CYLINDER MIS-
FIRE, NO. 1 - 8 CYLINDER MISFIRE ..................... 243
On Board Diagnosis Logic ................................... 243
DTC Confirmation Procedure ............................... 243
Diagnostic Procedure ........................................... 244
DTC P0327, P0328, P0332, P0333 KS .................. 250
Component Description ........................................ 250
On Board Diagnosis Logic ................................... 250
DTC Confirmation Procedure ............................... 250
Wiring Diagram .................................................... 251
Diagnostic Procedure ........................................... 252
Component Inspection ......................................... 254
Removal and Installation ...................................... 254
DTC P0335 CKP SENSOR (POS) .......................... 255
Component Description ........................................ 255
CONSULT-II Reference Value in Data Monitor Mode
. 255
On Board Diagnosis Logic ................................... 255
DTC Confirmation Procedure ............................... 255
Wiring Diagram .................................................... 256
Diagnostic Procedure ........................................... 257
Component Inspection ......................................... 260
Removal and Installation ...................................... 260
DTC P0340 CAMSHAFT POSITION (CMP) SEN-
SOR (PHASE) ......................................................... 261
Component Description ........................................ 261
On Board Diagnosis Logic ................................... 261
DTC Confirmation Procedure ............................... 261
Wiring Diagram .................................................... 262
Diagnostic Procedure ........................................... 263
Component Inspection ......................................... 266
Removal and Installation ...................................... 266
DTC P0420, P0430 THREE WAY CATALYST FUNC-
TION ........................................................................ 267
On Board Diagnosis Logic ................................... 267
DTC Confirmation Procedure ............................... 267
Overall Function Check ........................................ 268
Diagnostic Procedure ........................................... 269
DTC P0441 EVAP CONTROL SYSTEM ................ 271
System Description .............................................. 271
On Board Diagnosis Logic ................................... 271
DTC Confirmation Procedure ............................... 271
Overall Function Check ........................................ 272
Diagnostic Procedure ........................................... 273
DTC P0442 EVAP CONTROL SYSTEM ................ 276
On Board Diagnosis Logic ................................... 276DTC Confirmation Procedure ...............................277
Diagnostic Procedure ...........................................278
DTC P0444, P0445 EVAP CANISTER PURGE VOL-
UME CONTROL SOLENOID VALVE ......................285
Description ............................................................285
CONSULT-II Reference Value in Data Monitor Mode
.285
On Board Diagnosis Logic ....................................286
DTC Confirmation Procedure ...............................286
Wiring Diagram .....................................................287
Diagnostic Procedure ...........................................289
Component Inspection ..........................................290
Removal and Installation ......................................291
DTC P0447 EVAP CANISTER VENT CONTROL
VALVE .....................................................................292
Component Description ........................................292
CONSULT-II Reference Value in Data Monitor Mode
.292
On Board Diagnosis Logic ....................................292
DTC Confirmation Procedure ...............................293
Wiring Diagram .....................................................294
Diagnostic Procedure ...........................................295
Component Inspection ..........................................297
DTC P0451 EVAP CONTROL SYSTEM PRESSURE
SENSOR .................................................................299
Component Description ........................................299
CONSULT-II Reference Value in Data Monitor Mode
.299
On Board Diagnosis Logic ....................................299
DTC Confirmation Procedure ...............................300
Diagnostic Procedure ...........................................300
Component Inspection ..........................................301
DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR .................................................................302
Component Description ........................................302
CONSULT-II Reference Value in Data Monitor Mode
.302
On Board Diagnosis Logic ....................................302
DTC Confirmation Procedure ...............................303
Wiring Diagram .....................................................304
Diagnostic Procedure ...........................................305
Component Inspection ..........................................307
DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR .................................................................308
Component Description ........................................308
CONSULT-II Reference Value in Data Monitor Mode
.308
On Board Diagnosis Logic ....................................308
DTC Confirmation Procedure ...............................309
Wiring Diagram .....................................................310
Diagnostic Procedure ...........................................311
Component Inspection ..........................................315
DTC P0455 EVAP CONTROL SYSTEM .................316
On Board Diagnosis Logic ....................................316
DTC Confirmation Procedure ...............................317
Diagnostic Procedure ...........................................318
DTC P0456 EVAP CONTROL SYSTEM .................324
On Board Diagnosis Logic ....................................324
DTC Confirmation Procedure ...............................325