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CAN SYSTEM (TYPE 6) LAN-297
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CAN Communication Circuit InspectionAKS00CCZ
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative 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 unit
–AWD control unit
–BCM
–Steering angle sensor
–LDW camera unit
–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
–Between ECM and LDW camera unit
–Between ECM and driver seat control unit
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
Page 3717 of 4731
![INFINITI FX35 2005 Service Manual LAN-298
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display unit connecto](/manual-img/42/57020/w960_57020-3716.png "INFINITI FX35 2005 Service Manual LAN-298
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display unit connecto")
LAN-298
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display unit connector
–AWD control unit connector
–BCM connector
–Steering angle sensor connector
–Harness connector M31
–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 AWD control unit
Harness between data link connector and BCM
Harness between data link connector and steering angle sensor
Harness between data link connector and harness connector M31
Harness between data link connector and unified meter and A/C amp.
Harness between data link connector and harness connector M41
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 AWD control unit
Harness between data link connector and BCM
Harness between data link connector and steering angle sensor
Harness between data link connector and harness connector M31
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.
PKIA9865E
6 (L) - Ground : Continuity should not exist.
14 (R) - Ground : Continuity should not exist.
PKIA9872E
Page 3722 of 4731
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18. CHECK UNIT REPRODUCIBILITY
Performs the following procedure for each unit, and then perform](/manual-img/42/57020/w960_57020-3721.png "INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 6) LAN-303
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18. CHECK UNIT REPRODUCIBILITY
Performs the following procedure for each unit, and then perform")
CAN SYSTEM (TYPE 6) LAN-303
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18. CHECK UNIT REPRODUCIBILITY
Performs the following procedure for each unit, and then perform reproducibility test.
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the unit connector.
4. Connect the battery cable to the negative terminal.
5. Make sure that the symptom filled in the “Symptom” of the check sheet is reproduced. (Do not confuse it with the symptom related to removed unit.)
6. Make sure that the same symptom is reproduced.
–A/T assembly
–Display unit
–AWD control unit
–BCM
–Steering angle sensor
–LDW camera unit
–Unified meter and A/C amp.
–ABS actuator and electric unit (control unit)
–Driver seat control unit
–ECM
–IPDM E/R
Check results
Reproduce>>Install removed unit, and then check the other unit.
Not reproduced>>Replace removed unit.
IPDM E/R Ignition Relay Circuit InspectionAKS00CD0
Check the following. If no malfunction is found, replace the IPDM E/R.
IPDM E/R power supply circuit. Refer to PG-28, "IPDM E/R Power/Ground Circuit Inspection" .
Ignition power supply circuit. Refer to PG-12, "IGNITION POWER SUPPLY - IGNITION SW. IN “ON”
AND/OR “START”" .
Page 3744 of 4731
CAN SYSTEM (TYPE 7) LAN-325
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Case 13
Check steering angle sensor circuit. Refer to LAN-340, "Steering Angle Sensor Circuit Inspection" .
PKIB4372E
PKIB4218E
Page 3759 of 4731
![INFINITI FX35 2005 Service Manual LAN-340
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harness connector M3 termi- nals 39 (L)](/manual-img/42/57020/w960_57020-3758.png "INFINITI FX35 2005 Service Manual LAN-340
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect BCM connector.
2. Check resistance between BCM harness connector M3 termi- nals 39 (L)")
LAN-340
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 July 2005 FX
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-16, "Removal and Installa-
tion of BCM" .
NG >> Repair harness between BCM and data link connector.
Steering Angle Sensor Circuit InspectionAKS00CC6
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative 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 InspectionAKS00CC8
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative 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 - 66
Ω
SKIA6869E
4 (L) - 5 (R) : Approx. 54 - 66 Ω
PKIA9864E
Page 3763 of 4731
LAN-344
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 July 2005 FX
CAN Communication Circuit InspectionAKS00CCD
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative 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
–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
–Between ECM and driver seat control unit
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
Page 3764 of 4731
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2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harne](/manual-img/42/57020/w960_57020-3763.png "INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 7) LAN-345
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2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harne")
CAN SYSTEM (TYPE 7) LAN-345
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2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display 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 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.
PKIA9865E
Page 3765 of 4731
![INFINITI FX35 2005 Service Manual LAN-346
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 July 2005 FX
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L), 14
(R) and ground.
OK or NG
OK >> G](/manual-img/42/57020/w960_57020-3764.png "INFINITI FX35 2005 Service Manual LAN-346
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 July 2005 FX
3. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between data link connector M5 terminals 6 (L), 14
(R) and ground.
OK or NG
OK >> G")
LAN-346
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 July 2005 FX
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 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.
PKIA9872E
3 (L) - 8 (R) : Continuity should not exist.
SKIA6866E
3 (L) - Ground : Continuity should not exist.
8 (R) - Ground : Continuity should not exist.
SKIA6875E
![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 6) LAN-297
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Revision: 2005 July 2005 FX
CAN Communication Circuit InspectionAKS00CCZ
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2.](/manual-img/42/57020/w960_57020-3715.png "INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 6) LAN-297
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CAN Communication Circuit InspectionAKS00CCZ
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2.")
![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 7) LAN-325
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Revision: 2005 July 2005 FX
Case 13
Check steering angle sensor circuit. Refer to LAN-340, "Steering Angle Sensor Circuit Ins](/manual-img/42/57020/w960_57020-3743.png "INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 7) LAN-325
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Case 13
Check steering angle sensor circuit. Refer to LAN-340, \"Steering Angle Sensor Circuit Ins")
![INFINITI FX35 2005 Service Manual LAN-344
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 July 2005 FX
CAN Communication Circuit InspectionAKS00CCD
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the ne](/manual-img/42/57020/w960_57020-3762.png "INFINITI FX35 2005 Service Manual LAN-344
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 July 2005 FX
CAN Communication Circuit InspectionAKS00CCD
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the ne")