Infiniti I30 (A33). Manual — part 141
8
CHECK ABS SOLENOID VALVE CIRCUIT
1. Disconnect ABS actuator 8-pin connector.
2. Check continuity between each ABS actuator 8-pin connector (ABS actuator side) terminal and body ground.
SBR783DG
Does continuity exist?
Yes
©
Replace ABS actuator.
No
©
Check control unit pin terminals for damage or the connection of control unit harness
connector. Reconnect control unit harness connector. Then retest.
9
REPLACE FUSE
Replace 10A fuse No. 31.
Does the fuse blow out when ignition switch is turned “ON”?
Yes
©
GO TO 10.
No
©
INSPECTION END
10
CHECK ABS CONTROL UNIT POWER SUPPLY CIRCUIT
1. Disconnect control unit connector.
2. Check continuity between control unit connector terminal 1 and body ground.
SBR720DF
Does continuity exist?
Yes
©
Check the following.
I
Harness connector E91
I
Harness for open or short between control unit and fuse
If NG, repair harness or connectors.
No
©
Check control unit pin terminals for damage or the connection of control unit harness
connector. Reconnect control unit harness connector. Then retest.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
TCS
7. ABS Warning Lamp Stays On When Ignition Switch Is Turned On (Cont’d)
BR-147
8. SLIP Indicator Lamp Does Not Come On
When Ignition Switch Is Turned On
=NHBR0088
1
INSPECTION START
Indicator lamp circuit inspection
SBR537E
©
GO TO 2.
2
CHECK FUSE
Check 10A fuse No. 30 for control unit. For fuse layout, refer to “POWER SUPPLY ROUTING” 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 control unit.
3. Check voltage between control unit connector terminal 32 and ground after turning ignition switch “ON”.
SBR350EA
Does battery voltage exist?
Yes
©
GO TO 5.
No
©
GO TO 4.
4
CHECK INDICATOR LAMP
Check indicator lamp bulb.
Is indicator lamp bulb OK?
Yes
©
Repair harness and connectors between fuse and control unit connector terminal 32
(including combination meter).
No
©
Replace bulb.
TROUBLE DIAGNOSES FOR SYMPTOMS
TCS
8. SLIP Indicator Lamp Does Not Come On When Ignition Switch Is Turned On
BR-148
5
CHECK CIRCUIT
1. Disconnect control unit connector.
2. Check continuity between control unit connector terminal 16 and data link connector terminal 9.
SBR538E
Does continuity exist?
Yes
©
GO TO 6.
No
©
Check the following.
I
Harness connectors E91, M28
I
Harness for open or short between control unit and data link connector
6
CHECK CONNECTOR
1. Disconnect connector from control unit. 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
9. TCS OFF Indicator Lamp Does Not Come On
When Ignition Switch Is Turned On
NHBR0089
1
INSPECTION START
Indicator lamp circuit inspection
SBR352EA
©
GO TO 2.
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
TCS
8. SLIP Indicator Lamp Does Not Come On When Ignition Switch Is Turned On (Cont’d)
BR-149
2
CHECK FUSE
Check 10A fuse No. 30 for control unit. For fuse layout, refer to “POWER SUPPLY ROUTING” 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 control unit.
3. Check voltage between control unit connector terminal 31 and ground after turning ignition switch “ON”.
SBR353EA
Does battery voltage exist?
Yes
©
GO TO 5.
No
©
GO TO 4.
4
CHECK INDICATOR LAMP
Check indicator lamp bulb.
Is indicator lamp bulb OK?
Yes
©
Repair harness and connectors between control unit connector terminal 31 and fuse box
(including combination meter).
No
©
Replace bulb.
5
CHECK CONNECTOR
1. Disconnect connector from control unit. 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
TROUBLE DIAGNOSES FOR SYMPTOMS
TCS
9. TCS OFF Indicator Lamp Does Not Come On When Ignition Switch Is Turned On (Cont’d)
BR-150
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