Infiniti I35 (A33). Manual — part 468
2
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect VDC/TCS/ABS control unit connector.
2. Check resistance between VDC/TCS/ABS control unit harness connector B57 terminals 61 (L) and 63 (R).
SEL566Y
OK or NG
OK
©
Replace VDC/TCS/ABS control unit.
NG
©
Repair harness between VDC/TCS/ABS control unit and harness connector B58.
CAN COMMUNICATION CIRCUIT CHECK
NHEL0331S08
1
CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Check following terminals and connector for damage, bend and loose connection. (control module side, control unit
side, sensor side and harness side)
I
TCM
I
ECM
I
VDC/TCS/ABS control unit
I
Steering angle sensor
I
Between ECM and TCM
OK or NG
OK
©
GO TO 2.
NG
©
Repair terminal or connector.
2
CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect ECM connector and harness connector F53.
2. Check continuity between ECM harness connector F48 terminals 109 (L) and 113 (R).
SEL431Y
OK or NG
OK
©
GO TO 3.
NG
©
Repair harness between ECM and harness connector F53.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (FOR VDC MODELS)
Trouble Diagnoses (Cont’d)
EL-473
3
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between ECM harness connector F48 terminals 109 (L), 113 (R) and ground.
SEL432Y
OK or NG
OK
©
GO TO 4.
NG
©
Repair harness between ECM and harness connector F53.
4
CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect harness connector M2.
2. Check continuity between harness connector M2 terminals 22 (L) and 23 (R).
SEL567Y
OK or NG
OK
©
GO TO 5.
NG
©
Repair harness between harness connector M223 and harness connector M2.
5
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between harness connector M2 terminals 22 (L), 23 (R) and ground.
SEL568Y
OK or NG
OK
©
GO TO 6.
NG
©
Repair harness between harness connector M223 and harness connector M2.
CAN SYSTEM (FOR VDC MODELS)
Trouble Diagnoses (Cont’d)
EL-474
6
CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect VDC/TCS/ABS control unit connector and harness connector B58.
2. Check continuity between VDC/TCS/ABS control unit harness connector B57 terminals 61 (L) and 63 (R).
SEL569Y
OK or NG
OK
©
GO TO 7.
NG
©
I
Repair harness between VDC/TCS/ABS control unit and harness connector B58.
I
Repair harness between harness connector B2 and harness connector B58.
7
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between VDC/TCS/ABS control unit harness connector B57 terminals 61 (L), 63 (R) and ground.
SEL570Y
OK or NG
OK
©
GO TO 8.
NG
©
I
Repair harness between VDC/TCS/ABS control unit and harness connector B58.
I
Repair harness between harness connector B2 and harness connector B58.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
CAN SYSTEM (FOR VDC MODELS)
Trouble Diagnoses (Cont’d)
EL-475
8
CHECK HARNESS FOR SHORT CIRCUIT
1. Disconnect steering angle sensor connector.
2. Check continuity between steering angle sensor harness connector M218 terminals 4 (L) and 5 (R).
SEL571YA
OK or NG
OK
©
GO TO 9.
NG
©
I
Repair harness between steering angle sensor and harness connector M227.
I
Repair harness between harness connector M227 and harness connector M223.
9
CHECK HARNESS FOR SHORT CIRCUIT
Check continuity between steering angle sensor harness connector M218 terminals 4 (L), 5 (R) and ground.
SEL572YA
OK or NG
OK
©
GO TO 10.
NG
©
I
Repair harness between steering angle sensor and harness connector M227.
I
Repair harness between harness connector M227 and harness connector M223.
CAN SYSTEM (FOR VDC MODELS)
Trouble Diagnoses (Cont’d)
EL-476
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