2004 INFINITI FX35 sensor

LAN-244
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
Check resistance between data link connector M5 terminals 6 (L)
and 14 (R).
OK or NG
OK >> Diagnose again. Refer to LAN-211, "Work Flow" .
NG >> Repair harness between data link connector and BCM.
BCM Circuit CheckAKS00C2Q
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of BCM for damage, bend and loose connection (control module side and
harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harness connector M3 termi-
nals 39 (L) and 40 (R).
OK or NG
OK >> Replace BCM. Refer to BCS-15, "Removal and Installa-
tion of BCM" .
NG >> Repair harness between BCM and data link connector.
Steering Angle Sensor Circuit CheckAKS00C2R
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of steering angle sensor for damage, bend and loose connection (sensor
side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.6 (L) - 14 (R) : Approx. 54 - 66Ω
SKIA6868E
39 (L) - 40 (R) : Approx. 54 - 66Ω
SKIA6869E

CAN SYSTEM (TYPE 6)
LAN-245
[CAN]
C
D
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F
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MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check resistance between steering angle sensor harness con-
nector M14 terminals 4 (L) and 5 (R).
OK or NG
OK >> Replace steering angle sensor.
NG >> Repair harness between steering angle sensor and data
link connector.
Unified Meter and A/C Amp. Circuit CheckAKS00C2S
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of unified meter and A/C amp. for damage, bend and loose connection
(meter side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect unified meter and A/C amp. connector.
2. Check resistance between unified meter and A/C amp. harness
connector M55 terminals 1 (L) and 11 (R).
OK or NG
OK >> Replace unified meter and A/C amp.
NG >> Repair harness between unified meter and A/C amp.
and harness connector M41.
ICC Sensor Circuit CheckAKS00C2T
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of ICC sensor for damage, bend and loose connection (sensor side and
harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.4 (L) - 5 (R) : Approx. 54 - 66Ω
SKIA6870E
1 (L) - 11 (R) : Approx. 54 - 66Ω
SKIA6871E

LAN-246
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ICC sensor connector.
2. Check resistance between ICC sensor harness connector E39
terminals 3 (L) and 6 (R).
OK or NG
OK >> Replace ICC sensor.
NG >> Repair harness between ICC sensor and ABS actuator
and electric unit (control unit).
ABS Actuator and Electric Unit (Control Unit) Circuit CheckAKS00C2U
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check terminals and connector of ABS actuator and electric unit (control unit) for damage, bend and loose
connection (control unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check resistance between ABS actuator and electric unit (con-
trol unit) harness connector E56 terminals 11 (L) and 15 (R).
OK or NG
OK >> Replace ABS actuator and electric unit (control unit).
NG >> Repair harness between ABS actuator and electric unit
(control unit) and ICC sensor.
Driver Seat Control Unit Circuit CheckAKS00C2V
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check following terminals and connectors for damage, bend and loose connection (control unit side and
harness side).
–Driver seat control unit connector
–Harness connector B151
–Harness connector B8
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.3 (L) - 6 (R) : Approx. 54 - 66Ω
SKIA6888E
11 (L) - 15 (R) : Approx. 54 - 66Ω
SKIA6872E

LAN-248
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2004 November 2004 FX35/FX45
CAN Communication Circuit CheckAKS00C2X
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery terminal.
3. Check following terminals and connectors for damage, bend and loose connection (control module side,
control unit side, unit side, sensor side, meter side and harness side).
–ECM
–A/T assembly
–Display control unit
–AWD control unit
–Low tire pressure warning control unit
–ICC unit
–Intelligent Key unit
–BCM
–Steering angle sensor
–Unified meter and A/C amp.
–ICC sensor
–ABS actuator and electric unit (control unit)
–Driver seat control unit
–IPDM E/R
–Between ECM and IPDM E/R
–Between ECM and A/T assembly
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.

CAN SYSTEM (TYPE 6)
LAN-249
[CAN]
C
D
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LAN
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display control unit connector
–Low tire pressure warning control unit connector
–AWD control unit connector
–ICC unit connector
–Intelligent Key unit connector
–BCM connector
–Steering angle sensor connector
–Unified meter and A/C amp. connector
–Harness connector M41
2. Check continuity between data link connector M5 terminals 6 (L)
and 14 (R).
OK or NG
OK >> GO TO 3.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.

Harness between data link connector and ECM

Harness between data link connector and harness
connector M82

Harness between data link connector and display control unit

Harness between data link connector and low tire pressure warning control unit

Harness between data link connector and AWD control unit

Harness between data link connector and ICC unit

Harness between data link connector and Intelligent Key unit

Harness between data link connector and BCM

Harness between data link connector and steering angle sensor

Harness between data link connector and unified meter and A/C amp.

Harness between data link connector and harness connector M41 6 (L) - 14 (R) : Continuity should not exist.
SKIA6868E

LAN-250
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L), 14
(R) and ground.
OK or NG
OK >> GO TO 4.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.

Harness between data link connector and ECM

Harness between data link connector and harness
connector M82

Harness between data link connector and display control unit

Harness between data link connector and low tire pressure warning control unit

Harness between data link connector and AWD control unit

Harness between data link connector and ICC unit

Harness between data link connector and Intelligent Key unit

Harness between data link connector and BCM

Harness between data link connector and steering angle sensor

Harness between data link connector and unified meter and A/C amp.

Harness between data link connector and harness connector M41
4. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect A/T assembly connector.
2. Check continuity between A/T assembly harness connector F44
terminals 3 (L) and 8 (R).
OK or NG
OK >> GO TO 5.
NG >> Repair harness between A/T assembly and harness
connector F102.
5. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between A/T assembly harness connector F44 ter-
minals 3 (L), 8 (R) and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness between A/T assembly and harness
connector F102. 6 (L) - Ground : Continuity should not exist.
14 (R) - Ground : Continuity should not exist.
SKIA6874E
3 (L) - 8 (R) : Continuity should not exist.
SKIA6866E
3 (L) - Ground : Continuity should not exist.
8 (R) - Ground : Continuity should not exist.
SKIA6875E

CAN SYSTEM (TYPE 6)
LAN-251
[CAN]
C
D
E
F
G
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MA
B
LAN
Revision: 2004 November 2004 FX35/FX45
6. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector, ICC sensor connector and harness
connector E205.
2. Check continuity between ABS actuator and electric unit (control
unit) harness connector E56 terminals 11 (L) and 15 (R).
OK or NG
OK >> GO TO 7.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.

Harness between ABS actuator and electric unit (con-
trol unit) and harness connector E211

Harness between ABS actuator and electric unit (con-
trol unit) and harness connector E205

Harness between ABS actuator and electric unit (control unit) and ICC sensor
7. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ABS actuator and electric unit (control
unit) harness connector E56 terminals 11 (L), 15 (R) and ground.
OK or NG
OK >> GO TO 8.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.

Harness between ABS actuator and electric unit (con-
trol unit) and harness connector E211

Harness between ABS actuator and electric unit (control unit) and harness connector E205

Harness between ABS actuator and electric unit (control unit) and ICC sensor
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect harness connector B8.
2. Check continuity between harness connector B5 terminals 3 (L)
and 10 (R).
OK or NG
OK >> GO TO 9.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.

Harness between harness connector B5 and harness
connector B5

Harness between harness connector B5 and harness
connector B8 11 (L) - 15 (R) : Continuity should not exist.
SKIA6872E
11 (L) - Ground : Continuity should not exist.
15 (R) - Ground : Continuity should not exist.
SKIA6876E
3 (L) - 10 (R) : Continuity should not exist.
SKIA6877E

LT-2Revision: 2004 November 2004 FX35/FX45Preliminary Check .................................................. 46
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 46
INSPECTION PARKING BRAKE SWITCH CIR-
CUIT .................................................................... 47
CONSULT-II Functions ........................................... 48
CONSULT-II BASIC OPERATION ....................... 48
DATA MONITOR .................................................. 49
ACTIVE TEST ..................................................... 50
Daytime Light Control Does Not Operate Properly ... 51
Aiming Adjustment .................................................. 53
Bulb Replacement .................................................. 53
Removal and Installation ........................................ 53
Disassembly and Assembly .................................... 53
AUTO LIGHT SYSTEM ............................................. 54
Component Parts and Harness Connector Location ... 54
System Description ................................................. 54
OUTLINE ............................................................. 54
COMBINATION SWITCH READING FUNCTION ... 55
EXTERIOR LAMP BATTERY SAVER CONTROL ... 55
DELAY TIMER FUNCTION ................................. 55
CAN Communication System Description .............. 55
CAN Communication Unit ....................................... 55
Major Components and Functions .......................... 55
Schematic ............................................................... 56
Wiring Diagram — AUTO/L — ................................ 57
Terminals and Reference Values for BCM .............. 60
Terminals and Reference Values for IPDM E/R ...... 61
How to Proceed With Trouble Diagnosis ................ 62
Preliminary Check .................................................. 62
SETTING CHANGE FUNCTIONS ....................... 62
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 62
CONSULT-II Functions (BCM) ................................ 63
CONSULT-II BASIC OPERATION ....................... 64
WORK SUPPORT ............................................... 64
DATA MONITOR .................................................. 65
ACTIVE TEST ..................................................... 66
CONSULT-II Functions (IPDM E/R) ........................ 66
CONSULT-II OPERATION ................................... 66
SELF-DIAGNOSTIC RESULTS ........................... 67
DATA MONITOR .................................................. 67
ACTIVE TEST ..................................................... 68
Trouble Diagnosis Chart by Symptom .................... 68
Lighting Switch Inspection ...................................... 69
Optical Sensor System Inspection .......................... 69
Removal and Installation for Optical Sensor ........... 71
REMOVAL ........................................................... 71
INSTALLATION .................................................... 71
HEADLAMP AIMING CONTROL .............................. 72
Schematic ............................................................... 72
Wiring Diagram — H/AIM — ................................... 73
Removal and Installation ........................................ 76
REMOVAL ........................................................... 76
INSTALLATION .................................................... 76
Switch Circuit Inspection ........................................ 76
FRONT FOG LAMP .................................................. 77
Component Parts and Harness Connector Location ... 77
System Description ................................................. 77OUTLINE ............................................................. 77
COMBINATION SWITCH READING FUNCTION ... 78
EXTERIOR LAMP BATTERY SAVER CONTROL ... 78
CAN Communication System Description .............. 78
CAN Communication Unit ....................................... 78
Wiring Diagram — F/FOG — .................................. 79
Terminals and Reference Values for BCM .............. 81
Terminals and Reference Values for IPDM E/R ...... 82
How to Proceed With Trouble Diagnosis ................ 82
Preliminary Check ................................................... 82
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................... 82
CONSULT-II Functions ........................................... 83
Front Fog Lamps Do Not Illuminate (Both Sides) ... 84
Front Fog Lamp Does Not Illuminate (One Side) .... 86
Aiming Adjustment .................................................. 87
Bulb Replacement ................................................... 88
Removal and Installation ......................................... 88
REMOVAL ............................................................ 88
INSTALLATION .................................................... 88
TURN SIGNAL AND HAZARD WARNING LAMPS ... 89
Component Parts and Harness Connector Location ... 89
System Description ................................................. 89
OUTLINE ............................................................. 89
TURN SIGNAL OPERATION ............................... 89
HAZARD LAMP OPERATION ............................. 90
REMOTE CONTROL ENTRY SYSTEM OPER-
ATION .................................................................. 91
COMBINATION SWITCH READING FUNCTION ... 92
CAN Communication System Description .............. 92
CAN Communication Unit ....................................... 92
Schematic ............................................................... 93
Wiring Diagram — TURN — ................................... 94
Terminals and Reference Values for BCM .............. 97
How to Proceed With Trouble Diagnosis ................ 98
Preliminary Check ................................................... 99
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................... 99
CONSULT-II Functions .........................................100
CONSULT-II BASIC OPERATION .....................100
DATA MONITOR ................................................101
ACTIVE TEST ....................................................101
Turn Signal Lamp Does Not Operate ....................102
Rear Turn Signal Lamp Does Not Operate ...........103
Hazard Warning Lamp Does Not Operate But Turn
Signal Lamp Operate ............................................105
Turn Signal Indicator Lamp Does Not Operate .....107
Bulb Replacement (Front Turn Signal Lamp) ........107
Bulb Replacement (Rear Turn Signal Lamp) ........107
Removal and Installation of Front Turn Signal Lamp .107
Removal and Installation of Rear Turn Signal Lamp .107
Removal and Installation of Rear Combination
Lamp Control Unit .................................................107
REMOVAL ..........................................................107
INSTALLATION ..................................................107
LIGHTING AND TURN SIGNAL SWITCH ..............108
Removal and Installation .......................................108
REMOVAL ..........................................................108
INSTALLATION ..................................................108