2005 INFINITI QX4 Factory Service Manual

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Page 1185 of 3419

INFINITI QX4 2005 Factory Service Manual DI-82
REAR VIEW MONITOR
Revision: October 20052005 QX56
Power Supply and Ground Circuit InspectionEKS00BDM
1. CHECK FUSES
Check for blown rear view camera system fuses.
OK or NG
OK >> GO TO 2.
NG >> I

Page 1186 of 3419

INFINITI QX4 2005 Factory Service Manual REAR VIEW MONITOR
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Revision: October 20052005 QX56
Rear View Is Not Displayed With The A/T Selector Lever In R PositionEKS00BDN
1. BACK-UP LAMP INSPECTION
1. Turn igniti

Page 1187 of 3419

INFINITI QX4 2005 Factory Service Manual DI-84
REAR VIEW MONITOR
Revision: October 20052005 QX56
4. CHECK DISPLAY CONTROL UNIT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display control unit connector.
3. Check continuity between rea

Page 1188 of 3419

INFINITI QX4 2005 Factory Service Manual REAR VIEW MONITOR
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7. CHECK REAR VIEW CAMERA SHORT CIRCUIT
1. Check continuity between rear view camera control unit harness
connector B7

Page 1189 of 3419

INFINITI QX4 2005 Factory Service Manual DI-86
REAR VIEW MONITOR
Revision: October 20052005 QX56
10. CHECK REAR VIEW CAMERA SIGNAL
1. Connect rear view camera connector.
2. Turn ignition switch ON.
3. Shift A/T selector lever to R position.

Page 1190 of 3419

INFINITI QX4 2005 Factory Service Manual REAR VIEW MONITOR
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13. CHECK REAR VIEW CAMERA CONTROL UNIT COMPOSITE SIGNAL
1. Connect rear view camera control unit connector and displa

Page 1191 of 3419

INFINITI QX4 2005 Factory Service Manual DI-88
REAR VIEW MONITOR
Revision: October 20052005 QX56

Page 1192 of 3419

INFINITI QX4 2005 Factory Service Manual EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
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Revision: October 20052005 QX56 INDEX FOR DTC ........................................................ 8
DTC No. In

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
A
EC
Revision: October 20052005 QX56 INDEX FOR DTC ........................................................ 8
DTC No. Index ......................................................... 8
Alphabetical 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
Multiport Fuel Injection (MFI) System .................... 24
Electronic Ignition (EI) System ............................... 26
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 27
AIR CONDITIONING CUT CONTROL ..................... 28
Input/Output Signal Chart ....................................... 28
System Description ................................................ 28
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ... 29
System Description ................................................ 29
Component Description .......................................... 30
CAN COMMUNICATION .......................................... 31
System Description ................................................ 31
EVAPORATIVE EMISSION SYSTEM ....................... 32
Description ............................................................. 32
Component Inspection ........................................... 35
Removal and Installation ........................................ 36
How to Detect Fuel Vapor Leakage ....................... 37
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ...................................................................... 39
System Description ................................................ 39
Diagnostic Procedure ............................................. 40
Component Inspection ........................................... 43
POSITIVE CRANKCASE VENTILATION ................. 45Description .............................................................. 45
Component Inspection ............................................ 45
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
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) ........................... 64
OBD System Operation Chart ................................ 66
BASIC SERVICE PROCEDURE ............................... 72
Basic Inspection ..................................................... 72
Idle Speed and Ignition Timing Check .................... 77
Idle Mixture Ratio Adjustment ................................. 79
VIN Registration ..................................................... 90
Accelerator Pedal Released Position Learning ...... 90
Throttle Valve Closed Position Learning ................. 90
Idle Air Volume Learning ........................................ 91
Fuel Pressure Check .............................................. 93
TROUBLE DIAGNOSIS ............................................ 95
Trouble Diagnosis Introduction ............................... 95
DTC Inspection Priority Chart ...............................101
Fail-safe Chart ......................................................103
Symptom Matrix Chart ..........................................104
Engine Control Component Parts Location ..........108
Vacuum Hose Drawing .........................................114
Circuit Diagram .....................................................115
ECM Harness Connector Terminal Layout ...........117
ECM Terminals and Reference Value ...................117
CONSULT-II Function (ENGINE) ..........................126
Generic Scan Tool (GST) Function .......................139
CONSULT-II Reference Value in Data Monitor .....141
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................144
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .146
Description ............................................................146
Testing Condition ..................................................146
Inspection Procedure ............................................146
Diagnostic Procedure ...........................................147

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