Page 3383 of 4449
![INFINITI FX35 2004 Service Manual LAN-82
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2004 November 2004 FX35/FX45
CAN Communication Circuit CheckAKS00C08
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery termi](/manual-img/42/57021/w960_57021-3382.png "INFINITI FX35 2004 Service Manual LAN-82
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2004 November 2004 FX35/FX45
CAN Communication Circuit CheckAKS00C08
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the negative battery termi")
LAN-82
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2004 November 2004 FX35/FX45
CAN Communication Circuit CheckAKS00C08
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,
unit side, sensor side, meter side, control unit side and harness side).
–ECM
–A/T assembly
–Display unit
–BCM
–Steering angle sensor
–Unified meter and A/C amp.
–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.
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display 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 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
Page 3384 of 4449
![INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 2)
LAN-83
[CAN]
C
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Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L), 1](/manual-img/42/57021/w960_57021-3383.png "INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 2)
LAN-83
[CAN]
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Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L), 1")
CAN SYSTEM (TYPE 2)
LAN-83
[CAN]
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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 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
Page 3410 of 4449
CAN SYSTEM (TYPE 3)
LAN-109
[CAN]
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Revision: 2004 November 2004 FX35/FX45
Case 13
Check steering angle sensor circuit. Refer to LAN-123, "Steering Angle Sensor Circuit Check" .
PKIA7976E
SKIA6596E
Page 3424 of 4449
![INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 3)
LAN-123
[CAN]
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Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harne](/manual-img/42/57021/w960_57021-3423.png "INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 3)
LAN-123
[CAN]
C
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Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harne")
CAN SYSTEM (TYPE 3)
LAN-123
[CAN]
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Revision: 2004 November 2004 FX35/FX45
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 CheckAKS00C0S
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.
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 CheckAKS00C0T
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.39 (L) - 40 (R) : Approx. 54 - 66Ω
SKIA6869E
4 (L) - 5 (R) : Approx. 54 - 66Ω
SKIA6870E
Page 3428 of 4449
CAN SYSTEM (TYPE 3)
LAN-127
[CAN]
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LAN
Revision: 2004 November 2004 FX35/FX45
CAN Communication Circuit CheckAKS00C0Y
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
–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.
Page 3429 of 4449
![INFINITI FX35 2004 Service Manual LAN-128
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display con](/manual-img/42/57021/w960_57021-3428.png "INFINITI FX35 2004 Service Manual LAN-128
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2004 November 2004 FX35/FX45
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display con")
LAN-128
[CAN]
CAN SYSTEM (TYPE 3)
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
–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 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
Page 3430 of 4449
![INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 3)
LAN-129
[CAN]
C
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Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L),](/manual-img/42/57021/w960_57021-3429.png "INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 3)
LAN-129
[CAN]
C
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Revision: 2004 November 2004 FX35/FX45
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L),")
CAN SYSTEM (TYPE 3)
LAN-129
[CAN]
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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 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
Page 3452 of 4449
CAN SYSTEM (TYPE 4)
LAN-151
[CAN]
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Revision: 2004 November 2004 FX35/FX45
Case 10
Check steering angle sensor circuit. Refer to LAN-160, "Steering Angle Sensor Circuit Check" .
PKIA7996E
SKIA6611E
![INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 3)
LAN-109
[CAN]
C
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Revision: 2004 November 2004 FX35/FX45
Case 13
Check steering angle sensor circuit. Refer to LAN-123, "Steering Angle Sensor Circuit Check"](/manual-img/42/57021/w960_57021-3409.png "INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 3)
LAN-109
[CAN]
C
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Revision: 2004 November 2004 FX35/FX45
Case 13
Check steering angle sensor circuit. Refer to LAN-123, \"Steering Angle Sensor Circuit Check\"")
![INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 3)
LAN-127
[CAN]
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Revision: 2004 November 2004 FX35/FX45
CAN Communication Circuit CheckAKS00C0Y
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnec](/manual-img/42/57021/w960_57021-3427.png "INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 3)
LAN-127
[CAN]
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Revision: 2004 November 2004 FX35/FX45
CAN Communication Circuit CheckAKS00C0Y
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnec")
![INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 4)
LAN-151
[CAN]
C
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Revision: 2004 November 2004 FX35/FX45
Case 10
Check steering angle sensor circuit. Refer to LAN-160, "Steering Angle Sensor Circuit Check"](/manual-img/42/57021/w960_57021-3451.png "INFINITI FX35 2004 Service Manual CAN SYSTEM (TYPE 4)
LAN-151
[CAN]
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Revision: 2004 November 2004 FX35/FX45
Case 10
Check steering angle sensor circuit. Refer to LAN-160, \"Steering Angle Sensor Circuit Check\"")