ABS INFINITI FX35 2005 Service Manual

CAN SYSTEM (TYPE 8) LAN-363
[CAN]
C
D E
F
G H
I
J
L
M A
B
LAN
Revision: 2005 July 2005 FX
Case 4
Check harness between ABS actuator and electric unit (control unit) and driver seat control unit. Refer to LAN-
383, "Inspection Between ABS Actuator and Electric Unit (Control Unit) and Driver Seat Control Unit Circuit" .
PKIB4322E
PKIB4181E

LAN-376
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2005 July 2005 FX
Case 17
Check ABS actuator and electric unit (control unit) circuit. Refer to LAN-390, "ABS Actuator and Electric Unit
(Control Unit) Circuit Inspection" .
PKIB4335E
PKIB4194E

LAN-382
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2005 July 2005 FX
Inspection Between Data Link Connector and Unified Meter and A/C Amp. Cir-
cuit
AKS00CAZ
1. CHECK HARNESS FOR OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect ECM connector and unified meter and A/C amp. connector.
4. Check continuity between data link connector M5 terminals 6 (L), 14 (R) and unified meter and A/C amp. harness connector
M55 terminals 1 (L), 11 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to LAN-7, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
Inspection Between Unified Meter and A/C Amp. and ABS Actuator and Electric
Unit (Control Unit) Circuit
AKS00CBI
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 (connector side and harness side).
–Harness connector M41
–Harness connector E211
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 and harness connector M41.
2. Check continuity between unified meter and A/C amp. harness connector M55 terminals 1 (L), 11 (R) and harness connector
M41 terminals 15G (L), 14G (R).
OK or NG
OK >> GO TO 3.
NG >> Repair harness. 6 (L) - 1 (L) : Continuity should exist.
14 (R) - 11 (R) : Continuity should exist.
SKIA6862E
1 (L) - 15G (L) : Continuity should exist.
11 (R) - 14G (R) : Continuity should exist.
SKIA6863E

CAN SYSTEM (TYPE 8) LAN-383
[CAN]
C
D E
F
G H
I
J
L
M A
B
LAN
Revision: 2005 July 2005 FX
3. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ABS actuator and electric unit (control unit) connector.
2. Check continuity between harness connector E211 terminals 15G (L), 14G (R) and ABS actuator and electric unit (control
unit) harness connector E56 terminals 11 (L), 15 (R).
OK or NG
OK >> Connect all the connectors and diagnose again. Refer to LAN-7, "
TROUBLE DIAGNOSES WORK FLOW" .
NG >> Repair harness.
Inspection Between ABS Actuator and Electric Unit (Control Unit) and Driver
Seat Control Unit Circuit
AKS00CB0
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 (connector side and harness side).
–Harness connector E205
–Harness connector B5
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 and harness connector E205.
2. Check continuity between ABS actuator and electric unit (control unit) harness connector E56 terminals 11 (L), 15 (R) and har-
ness connector E205 terminals 3 (L), 10 (R).
OK or NG
OK >> GO TO 3.
NG >> Repair harness. 15G (L) - 11 (L) : Continuity should exist.
14G (R) - 15 (R) : Continuity should exist.
SKIA6864E
11 (L) - 3 (L) : Continuity should exist.
15 (R) - 10 (R) : Continuity should exist.
SKIA6880E

LAN-390
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2005 July 2005 FX
ICC Sensor Circuit InspectionAKS00CBB
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative 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.
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 InspectionAKS00CBC
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect the battery cable from the negative 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.
3 (L) - 6 (R) : Approx. 54 - 66
Ω
SKIA6888E
11 (L) - 15 (R) : Approx. 54 - 66Ω
SKIA6872E

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-395
[CAN]
C
D E
F
G H
I
J
L
M A
B
LAN
Revision: 2005 July 2005 FX
6. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect LDW camera unit connector.
2. Check continuity between LDW camera unit harness connector R9 terminals 10 (L) and 5 (R).
OK or NG
OK >> GO TO 7.
NG >> Replace harness between LDW camera unit and har-
ness connector R1.
7. CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between LDW camera unit harness connector R9
terminals 10 (L), 5 (R) and ground.
OK or NG
OK >> GO TO 8.
NG >> Replace harness between LDW and harness connector R1.
8. CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect following connectors.
–ICC sensor connector
–ABS actuator and electric unit (control unit) connector
–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 9.
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 ICC sensor

Harness between ABS actuator and electric unit (control unit) and harness connector E205
10 (L) - 5 (R) : Continuity should not exist.
SKIB2333E
10 (L) - Ground : Continuity should not exist.
5 (R) - Ground : Continuity should not exist.
SKIB2339E
11 (L) - 15 (R) : Continuity should not exist.
SKIA6872E

LAN-396
[CAN]
CAN SYSTEM (TYPE 8)
Revision: 2005 July 2005 FX
9. 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 10.
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 ICC sensor

Harness between ABS actuator and electric unit (control unit) and harness connector E205
10. 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 11.
NG >> Check the following harnesses. If any harness is dam- aged, repair the harness.

Harness between harness connector B5 and harness
connector B8

Harness between harness connector B5 and harness
connector B5
11 . CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector B5 terminals 3 (L), 10
(R) and ground.
OK or NG
OK >> GO TO 12.
NG >> Check the following harnesses. If any harness is dam-
aged, repair the harness.

Harness between harness connector B5 and harness
connector B8

Harness between harness connector B5 and harness connector B5
11 (L) - Ground : Continuity should not exist.
15 (R) - Ground : Continuity should not exist.
SKIA6876E
3 (L) - 10 (R) : Continuity should not exist.
SKIA6877E
3 (L) - Ground : Continuity should not exist.
10 (R) - Ground : Continuity should not exist.
SKIA6878E

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

CAN SYSTEM (TYPE 9) LAN-409
[CAN]
C
D E
F
G H
I
J
L
M A
B
LAN
Revision: 2005 July 2005 FX
Case 3
Check harness between unified meter and A/C amp. and ABS actuator and electric unit (control unit). Refer to
LAN-422, "
Inspection Between Unified Meter and A/C Amp. and ABS Actuator and Electric Unit (Control Unit)
Circuit" .
PKIC3685E
PKIC3700E