Infiniti I35 (A33). Manual — part 125
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2
CHECK FUSE
Check 10A fuse No. 30 for ABS actuator and electric unit (control unit). For fuse layout, refer to “POWER SUPPLY ROUT-
ING” in EL section.
Is fuse OK?
Yes
©
GO TO 3.
No
©
Replace fuse.
3
CHECK CONTROL UNIT POWER SUPPLY CIRCUIT
1. Install 10A fuse.
2. Disconnect connector from ABS actuator and electric unit (control unit) E162.
3. Check voltage between ABS actuator and electric unit (control unit) harness connector E162 terminal 26 (R/Y) and
ground after turning ignition switch “ON”.
SBR178F
Does battery voltage exist?
Yes
©
GO TO 5.
No
©
GO TO 4.
4
CHECK COMBINATION METER CIRCUIT
I
Check continuity between ABS actuator and electric unit (control unit) and combination meter.
I
Check continuity between combination meter and fuse.
Does continuity exist?
Yes
©
Replace combination meter.
No
©
Repair or replace harness connector.
5
CHECK CONNECTOR
1. Disconnect connector from ABS actuator and electric unit (control unit) E162. Check terminals for damage or loose
connection. Then reconnect connector.
2. Carry out self-diagnosis again.
Does warning lamp activate again?
Yes
©
Check items the self-diagnosis detected as faulty.
No
©
INSPECTION END
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
TCS
9. TCS OFF Indicator Lamp Does Not Come On When Ignition Switch Is Turned On (Cont’d)
BR-85
![](/vehicles/zatt/ltherawowha/yose/anns.png)
10. TCS OFF Switch Is Inoperative
=NHBR0197
1
INSPECTION START
Inspect TCS OFF switch.
SBR179F
©
GO TO 2.
2
CHECK TCS OFF SWITCH
1. Remove TCS OFF switch and disconnect TCS OFF switch connector M45.
2. Check continuity between terminal 2 (SB) and 3 (B) for TCS OFF switch connector M45.
SBR180F
When TCS OFF switch is pressed:
Continuity should exist.
When TCS OFF switch is released:
Continuity should not exist.
OK
©
GO TO 3.
NG
©
Replace TCS OFF switch.
TROUBLE DIAGNOSES FOR SYMPTOMS
TCS
10. TCS OFF Switch Is Inoperative
BR-86
![](/vehicles/zatt/ltherawowha/yose/lses.png)
3
CHECK TCS OFF SWITCH POWER SUPPLY CIRCUIT
I
Disconnect connector from ABS actuator and electric unit (control unit) connector E162.
I
Check continuity between ABS actuator and electric unit (control unit) harness connector E162 terminal 31 (SB) and
TCS OFF switch connector M45 terminal 2 (SB).
SBR181F
Does continuity exist?
Yes
©
GO TO 4.
No
©
Check the following.
I
Harness connectors E162, M45
I
Harness for open or short between TCS OFF switch terminal (body side) and ABS
actuator and electric unit (control unit)
If NG, repair harness or connectors.
4
CHECK TCS OFF SWITCH POWER SUPPLY
Check continuity between TCS OFF switch connector M45 terminal 2 (SB) and ground.
SBR182F
Does continuity exist?
Yes
©
Repair harness and connectors.
No
©
GO TO 5.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
TCS
10. TCS OFF Switch Is Inoperative (Cont’d)
BR-87
![](/vehicles/zatt/ltherawowha/yose/qumes.png)
5
CHECK TCS OFF SWITCH GROUND CIRCUIT
Check continuity between TCS OFF switch connector M45 terminal 3 (B) and ground.
SBR183F
Does continuity exist?
Yes
©
Connect TCS OFF switch connector M45 and check switch operation.
No
©
Repair harness and connectors.
TROUBLE DIAGNOSES FOR SYMPTOMS
TCS
10. TCS OFF Switch Is Inoperative (Cont’d)
BR-88
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