Page 3518 of 4731
CAN SYSTEM (TYPE 2) LAN-99
[CAN]
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Revision: 2005 July 2005 FX
Case 7
Check display unit circuit. Refer to LAN-114, "Display Unit Circuit Inspection" .
PKIB4429E
PKIB4296E
Page 3533 of 4731
![INFINITI FX35 2005 Service Manual LAN-114
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector F44 INFINITI FX35 2005 Service Manual LAN-114
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector F44](/manual-img/42/57020/w960_57020-3532.png)
LAN-114
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector F44 terminals 3 (L) and 8 (R).
OK or NG
OK >> Replace control valve with TCM.
NG >> Repair harness between A/T assembly and display con-
trol unit.
Display Unit Circuit InspectionAKS00CF8
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of display unit for damage, bend and loose connection (unit side and har- ness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect display unit connector.
2. Check resistance between display unit harness connector M62 terminals 14 (L) and 16 (R).
OK or NG
OK >> Replace display unit.
NG >> Repair harness between display unit and harness con- nector M82.
Data Link Connector Circuit InspectionAKS00CFA
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check data link connector and terminals for damage, bend and loose connection (connector side and har- ness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector. 3 (L) - 8 (R) : Approx. 54 - 66
Ω
SKIA6866E
14 (L) - 16 (R) : Approx. 54 - 66Ω
SKIA6867E
Page 3538 of 4731
![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 2) LAN-119
[CAN]
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Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 2) LAN-119
[CAN]
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Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between](/manual-img/42/57020/w960_57020-3537.png)
CAN SYSTEM (TYPE 2) LAN-119
[CAN]
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Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect IPDM E/R connector.
2. Check resistance between IPDM E/R harness connector E9 ter- minals 48 (L) and 49 (R).
OK or NG
OK >> Replace IPDM E/R.
NG >> Repair harness between IPDM E/R and harness con-
nector B8.
CAN Communication Circuit InspectionAKS00CFI
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
–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. 48 (L) - 49 (R) : Approx. 108 - 132
Ω
SKIB1363E
Page 3539 of 4731
![INFINITI FX35 2005 Service Manual LAN-120
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display unit connecto INFINITI FX35 2005 Service Manual LAN-120
[CAN]
CAN SYSTEM (TYPE 2)
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_57020-3538.png)
LAN-120
[CAN]
CAN SYSTEM (TYPE 2)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ECM connector
–Harness connector M82
–Display 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 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 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 3544 of 4731
![INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 2) LAN-125
[CAN]
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Revision: 2005 July 2005 FX
18. CHECK UNIT REPRODUCIBILITY
Performs the following procedure for each unit, and then perform INFINITI FX35 2005 Service Manual CAN SYSTEM (TYPE 2) LAN-125
[CAN]
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Revision: 2005 July 2005 FX
18. CHECK UNIT REPRODUCIBILITY
Performs the following procedure for each unit, and then perform](/manual-img/42/57020/w960_57020-3543.png)
CAN SYSTEM (TYPE 2) LAN-125
[CAN]
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Revision: 2005 July 2005 FX
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
–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 InspectionAKS00CFJ
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 3560 of 4731
CAN SYSTEM (TYPE 3) LAN-141
[CAN]
C
D E
F
G H
I
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L
M A
B
LAN
Revision: 2005 July 2005 FX
Case 7
Check display control unit circuit. Refer to LAN-158, "Display Control Unit Circuit Inspection" .
PKIB4408E
PKIB4279E
Page 3577 of 4731
![INFINITI FX35 2005 Service Manual LAN-158
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector F44 INFINITI FX35 2005 Service Manual LAN-158
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector F44](/manual-img/42/57020/w960_57020-3576.png)
LAN-158
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2005 July 2005 FX
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect A/T assembly connector.
2. Check resistance between A/T assembly harness connector F44 terminals 3 (L) and 8 (R).
OK or NG
OK >> Replace control valve with TCM.
NG >> Repair harness between A/T assembly and display con-
trol unit.
Display Control Unit Circuit InspectionAKS00CEK
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of display 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 display control unit connector.
2. Check resistance between display control unit harness connec- tor M76 terminals 25 (L) and 26 (R).
OK or NG
OK >> Replace display control unit.
NG >> Repair harness between display control unit and har- ness connector M82.
ICC Unit Circuit InspectionAKS00CEM
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of ICC unit for damage, bend and loose connection (unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector. 3 (L) - 8 (R) : Approx. 54 - 66
Ω
SKIA6866E
25 (L) - 26 (R) : Approx. 54 - 66Ω
SKIA6884E
Page 3583 of 4731
LAN-164
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2005 July 2005 FX
CAN Communication Circuit InspectionAKS00CEW
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
–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.