display INFINITI FX35 2005 Service Manual

LAN-366
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2005 July 2005 FX
Case 7
Check display control unit circuit. Refer to LAN-385, "Display Control Unit Circuit Inspection" .
PKIB4325E
PKIB4184E

CAN SYSTEM (TYPE 8) LAN-385
[CAN]
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LAN
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 InspectionAKS00CB3
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.
AWD Control Unit Circuit InspectionAKS00CB4
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check terminals and connector of AWD 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. 3 (L) - 8 (R) : Approx. 54 - 66
Ω
SKIA6866E
25 (L) - 26 (R) : Approx. 54 - 66Ω
SKIA6884E

LAN-392
[CAN]
CAN SYSTEM (TYPE 8)
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 InspectionAKS00CBF
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
–LDW camera unit
–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 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

CAN SYSTEM (TYPE 8) LAN-393
[CAN]
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LAN
Revision: 2005 July 2005 FX
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
–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 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 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

LAN-394
[CAN]
CAN SYSTEM (TYPE 8)
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 harness connector M31

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

LAN-398
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2005 July 2005 FX
16. CHECK ECM AND IPDM E/R INTERNAL CIRCUIT
1. Remove ECM and IPDM E/R from vehicle.
2. Check resistance between ECM terminals 94 and 86.
3. Check resistance between IPDM E/R terminals 48 and 49.
OK or NG
OK >> GO TO 17.
NG >> Replace ECM and/or IPDM E/R.
17. CHECK SYMPTOM
1. Fill in described symptoms on the column “Symptom” in the check sheet.
2. Connect all connectors, and then make sure that the symptom is reproduced.
OK or NG
OK >> GO TO 18.
NG >> Refer to LAN-16, "
Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"
.
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 control unit
–AWD control unit
–ICC unit
–Intelligent Key unit
–BCM
–Steering angle sensor
–LDW camera unit
–Unified meter and A/C amp.
–ICC sensor
–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. 94 - 86 : Approx. 108 - 132
Ω
48 - 49 : Approx. 108 - 132 Ω
LKIA0037E

LAN-412
[CAN]
CAN SYSTEM (TYPE 9)
Revision: 2005 July 2005 FX
Case 6
Check display unit circuit. Refer to LAN-424, "Display Unit Circuit Inspection" .
PKIC3688E
PKIC3703E

LAN-424
[CAN]
CAN SYSTEM (TYPE 9)
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 unit.
Display Unit Circuit InspectionAKS00FDL
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 InspectionAKS00FDM
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

LAN-428
[CAN]
CAN SYSTEM (TYPE 9)
Revision: 2005 July 2005 FX
CAN Communication Circuit InspectionAKS00FDS
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
–Unified meter and A/C amp.
–ABS actuator and electric unit (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.
PKIA9865E

CAN SYSTEM (TYPE 9) LAN-429
[CAN]
C
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LAN
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 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