2004 INFINITI FX35 control

REAR VIEW MONITOR
DI-91
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: 2004 November 2004 FX35/FX45
Power Supply and Ground Circuit InspectionAKS0068M
1. CHECK FUSE
Make sure the fuses for rear view camera control unit is blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
3, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect rear view camera control unit connector.
2. Check voltage between rear view camera control unit and
ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open between rear view camera control unit and fuse.
3. CHECK REAR VIEW CAMERA CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear view camera control unit harness
connector M48 terminal 3 (B) and ground.
OK or NG
OK >> INSPECTION END
NG >> Repair harness or connector.
Unit Power source Fuse No.
Rear view camera control unitBattery 19
Ignition switch ACC or ON 6
Terminals
OFF ACC (+)
(–)
ConnectorTerminal
(Wire color)
M481 (R/W) Ground Battery voltage Battery voltage
2 (LG/R) Ground 0V Battery voltage
SKIA5080E
Continuity should exist.
SKIA5081E

DI-92
REAR VIEW MONITOR
Revision: 2004 November 2004 FX35/FX45
Rear View Is Not Displayed With The A/T Selector Lever In R-positionAKS0068N
1. BACK-UP LAMP INSPECTION
1. Turn ignition switch ON.
2. Shift A/T selector lever to R-position.
Dose back-up lamp illuminate?
YES >> GO TO 2.
NO >> Check back-up lamp system. Refer to LT- 1 2 5 , "
BACK-UP LAMP" in LT section.
2. CHECK REVERSE POSITION INPUT SIGNAL
With CONSULT-II
Select “DATA MONITOR” of “REARVIEW CAMERA”. Operate igni-
tion switch with “R POSI SIG” of “DATA MONITOR” and check oper-
ate status.
Without CONSULT-II
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit connector.
3. Turn ignition switch ON.
4. Shift A/T selector lever to R-position.
5. Check voltage between rear view camera control unit harness
connector M48 terminal 4 (OR) and ground.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open or short between rear view
camera control unit and back-up lamp relay.
3. CHECK DISPLAY CONTROL UNIT OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit connector.
3. Turn ignition switch ON.
4. Check voltage between rear view camera control unit harness
connector M48 terminal 5 (G/Y) and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
SKIA7147E
Battery voltage should exist.
SKIA5086E
Approx. 5V
SKIA7148E

REAR VIEW MONITOR
DI-93
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: 2004 November 2004 FX35/FX45
4. CHECK DISPLAY CONTROL UNIT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display control unit connector.
3. Check continuity between rear view camera control unit harness
connector M48 terminal 5 (G/Y) and display control unit harness
connector M75 terminal 8 (G/Y).
4. Check continuity between rear view camera control unit harness
connector M48 terminal 5 (G/Y) and ground.
OK or NG
OK >> Replace display control unit.
NG >> Repair harness or connector.
5. CHECK CONTROL 1 SIGNAL
1. Turn ignition switch OFF.
2. Connect rear view camera control unit connector.
3. Shift A/T selector lever to R-position.
4. Check voltage between rear view camera control unit harness
connector M48 terminal 5 (G/Y) and ground.
OK or NG
OK >> GO TO 6.
NG >> Replace rear view camera control unit.
6. CHECK REAR VIEW CAMERA OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear view camera connector.
3. Check the following.
–Continuity between rear view camera control unit harness con-
nector M48 terminal 8 (R/W) and rear view camera harness con-
nector D108 terminal 1 (PU)
–Continuity between rear view camera control unit harness con-
nector M48 terminal 9 and rear view camera harness connector
D108 terminal 4
–Continuity between rear view camera control unit harness con-
nector M48 terminal 10 (G/W) and rear view camera harness connector D108 terminal 3 (G)
OK or NG
OK >> GO TO 7.
NG >> Repair harness or connector.Continuity should exist.
Continuity should not exist.
SKIA7149E
Approx. 0V
SKIA7150E
Continuity should exist.
Continuity should exist.
Continuity should exist.
SKIA5095E

DI-94
REAR VIEW MONITOR
Revision: 2004 November 2004 FX35/FX45
7. CHECK REAR VIEW CAMERA SHORT CIRCUIT
Check the following.

Continuity between rear view camera control unit harness con-
nector M48 terminal 8 (R/W) and ground

Continuity between rear view camera control unit harness con-
nector M48 terminal 9 and ground

Continuity between rear view camera control unit harness con-
nector M48 terminal 10 (G/W) and ground
OK or NG
OK >> GO TO 8.
NG >> Repair harness on connector.
8. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit. Refer to DI-91, "
Power Supply and Ground Circuit Inspection" .
OK or NG
OK >> GO TO 9.
NG >> Repair or replace power supply and ground circuit.
9. CHECK REAR VIEW CAMERA CONTROL UNIT OUTPUT SIGNAL
1. Connect rear view camera control unit connector.
2. Turn ignition switch ON.
3. Shift A/T selector lever to R-position.
4. Check voltage between rear view camera control unit harness
connector M48 terminal 8 (R/W) and ground.
OK or NG
OK >> GO TO 10.
NG >> Replace rear view camera control unit.Continuity should not exist.
Continuity should not exist.
Continuity should not exist.
SKIA5098E
Approx. 6V
SKIA5099E

REAR VIEW MONITOR
DI-95
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: 2004 November 2004 FX35/FX45
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.
4. Check voltage signal between rear view camera control unit har-
ness connector M48 terminal 10 (G/W) and ground.
OK or NG
OK >> GO TO 11.
NG >> Replace rear view camera.
11 . CHECK COMPOSITE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit connector and display connector.
3. Check continuity between rear view camera control unit harness
connector M48 terminal 12 (BR) and display harness connector
M63 terminal 15 (BR).
4. Check continuity between rear view camera control unit harness
connector M48 terminal 12 (BR) and ground.
OK or NG
OK >> GO TO 12.
NG >> Repair harness or connector.
12. CHECK COMPOSITE SIGNAL GROUND CIRCUIT
1. Check continuity between rear view camera control unit harness
connector M48 terminal 11 and display harness connector M63
terminal 4.
2. Check continuity between rear view camera control unit harness
connector M48 terminal 11 and ground.
OK or NG
OK >> GO TO 13.
NG >> Repair harness or connector.10 (G/W) - Ground:
SKIA5100E
SKIA4894E
Continuity should exist.
Continuity should not exist.
SKIB0482E
Continuity should exist.
Continuity should not exist.
SKIA5102E

DI-96
REAR VIEW MONITOR
Revision: 2004 November 2004 FX35/FX45
13. CHECK COMPOSITE SIGNAL
1. Connect rear view camera control unit connector and display connector.
2. Turn ignition switch ON.
3. Check voltage signal between rear view camera control unit har-
ness connector M48 terminal 12 (BR) and ground.
OK or NG
OK >> Replace display.
NG >> Replace rear view camera control unit.
The Rear View Image Is DistortedAKS0068P
1. CHECK SYNCHRO SIGNAL OPEN OR SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit connector and display connector.
3. Check the following.
–Continuity between rear view camera control unit harness con-
nector M48 terminal 14 (Y) and display harness connector M63
terminal 16 (Y)
–Continuity between rear view camera control unit harness con-
nector M48 terminal 14 (Y) and ground
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK COMPOSITE SIGNAL GROUND CIRCUIT
1. Check continuity between rear view camera control unit harness
connector M48 terminal 11 and display harness connector M63
terminal 4.
2. Check continuity between rear view camera control unit harness
connector M48 terminal 11 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.12 (BR) - Ground:
SKIB0483E
SKIA4896E
Continuity should exist.
Continuity should not exist.
SKIA5101E
Continuity should exist.
Continuity should not exist.
SKIA5102E

REAR VIEW MONITOR
DI-97
C
D
E
F
G
H
I
J
L
MA
B
DI
Revision: 2004 November 2004 FX35/FX45
3. CHECK REAR VIEW CONTROL UNIT SYNCHRO SIGNAL
1. Connect rear view camera control unit connector and display connector.
2. Turn ignition switch ON.
3. Check voltage signal between rear view camera control unit har-
ness connector M48 terminal 14 (Y) and ground.
OK or NG
OK >> Replace rear view camera control unit.
NG >> Replace display.
Removal and Installation of Rear View Camera Control UnitAKS0068Q
REMOVAL
1. Remove instrument clock finisher and A/T console finisher.
Refer to IP-11, "
WORK STEP" .
2. Remove screws (2), and remove rear view camera control unit.
INSTALLATION
Install in the reverse order of removal.
Removal and Installation of Rear View CameraAKS0068R
REMOVAL
1. Remove back door finisher lower. Refer to EI-46, "Removal and
Installation" .
2. Cut off back door module along the line.
3. Remove connector.14 (Y) - Ground:
SKIA5103E
SKIA5896E
SKIA5797E
SKIA6168E

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION EC
A
EC
Revision: 2004 November 2004 FX35/FX45
ENGINE CONTROL SYSTEM
VQ35DE
INDEX FOR DTC ...................................................... 15
Alphabetical Index .................................................. 15
DTC No. Index ....................................................... 19
PRECAUTIONS ........................................................ 23
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 23
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 23
Precaution .............................................................. 23
Wiring Diagrams and Trouble Diagnosis ................ 26
PREPARATION ......................................................... 27
Special Service Tools ............................................. 27
Commercial Service Tools ...................................... 28
ENGINE CONTROL SYSTEM .................................. 29
System Diagram ..................................................... 29
Vacuum Hose Drawing ........................................... 30
System Chart ......................................................... 31
Multiport Fuel Injection (MFI) System .................... 32
Electronic Ignition (EI) System ............................... 34
Air Conditioning Cut Control ................................... 35
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 35
CAN communication .............................................. 36
BASIC SERVICE PROCEDURE .............................. 37
Idle Speed and Ignition Timing Check .................... 37
Idle Speed/Ignition Timing/Idle Mixture Ratio
Adjustment ............................................................. 38
Accelerator Pedal Released Position Learning ...... 49
Throttle Valve Closed Position Learning ................ 49
Idle Air Volume Learning ........................................ 49
Fuel Pressure Check .............................................. 51
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 53
Introduction ............................................................ 53
Two Trip Detection Logic ........................................ 53
Emission-Related Diagnostic Information .............. 54
IVIS (Infiniti Vehicle Immobilizer System — NATS) ... 68
Malfunction Indicator Lamp (MIL) ........................... 68
OBD System Operation Chart ................................ 72TROUBLE DIAGNOSIS ............................................ 77
Trouble Diagnosis Introduction ............................... 77
DTC Inspection Priority Chart ................................. 80
Fail-Safe Chart ....................................................... 82
Basic Inspection ..................................................... 83
Symptom Matrix Chart ............................................ 88
Engine Control Component Parts Location ............ 92
Circuit Diagram ....................................................... 98
ECM Harness Connector Terminal Layout ...........100
ECM Terminals and Reference Value ...................100
CONSULT-II Function ...........................................109
Generic Scan Tool (GST) Function .......................122
CONSULT-II Reference Value in Data Monitor .....125
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................129
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .131
Description ............................................................131
Testing Condition ..................................................131
Inspection Procedure ............................................131
Diagnostic Procedure ...........................................132
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................135
Description ............................................................135
Diagnostic Procedure ...........................................135
POWER SUPPLY AND GROUND CIRCUIT ...........136
Wiring Diagram .....................................................136
Diagnostic Procedure ...........................................137
Ground Inspection ................................................141
DTC U1000, U1001 CAN COMMUNICATION LINE .142
Description ............................................................142
On Board Diagnosis Logic ....................................142
DTC Confirmation Procedure ...............................142
Wiring Diagram .....................................................143
Diagnostic Procedure ...........................................144
DTC P0011, P0021 IVT CONTROL ........................145
Description ............................................................145
CONSULT-II Reference Value in Data Monitor Mode
.145
On Board Diagnosis Logic ....................................146