Infiniti G20 (P11). Manual — part 124
6. ABS Warning Lamp Does Not Come On
When Ignition Switch Is Turned On
=NCBR0109
1
INSPECTION START
Warning lamp circuit inspection
SBR861E
©
GO TO 2.
2
CHECK FUSE
Check 10A fuse No. 11 for warning lamp. For fuse layout, refer to “POWER SUPPLY ROUTING” in EL section.
Is fuse OK?
Yes
©
GO TO 3.
No
©
Replace fuse.
3
CHECK ABS CONTROL UNIT POWER SUPPLY CIRCUIT
1. Install 10A fuse.
2. Remove solenoid valve relay.
3. Disconnect ABS actuator and electric unit connector.
4. Check voltage between ABS actuator and electric unit connector terminal 15 and ground.
SBR058EG
Does battery voltage exist after turning ignition switch “ON”?
Yes
©
GO TO 5.
No
©
GO TO 4.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
ABS
6. ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On
BR-71
4
CHECK WARNING LAMP INDICATION
Disconnect ABS actuator and electric unit connector.
SBR860E
Does the ABS warning lamp activate?
Yes
©
GO TO 6.
No
©
GO TO 5.
5
CHECK HARNESS FOR SHORT
1. Disconnect ABS actuator and electric unit connector.
2. Check voltage between ABS actuator and electric unit connector terminal 10 and ground.
SBR144EE
Does battery voltage exist?
Yes
©
Check combination meter. Refer to WARNING LAMPS in EL section.
No
©
Repair harness and connectors between fuse and ABS actuator and electric unit connec-
tor terminal 10.
6
CHECK HARNESS CONNECTOR
Check ABS actuator and electric unit pin terminals for damage or connection of ABS actuator and electric unit harness
connector. Reconnect ABS actuator and electric unit harness connector. Then reset.
OK
©
INSPECTION END
NG
©
Replace ABS actuator and electric unit.
TROUBLE DIAGNOSES FOR SYMPTOMS
ABS
6. ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On (Cont’d)
BR-72
7. ABS Warning Lamp Stays On When Ignition
Switch Is Turned On
=NCBR0110
1
INSPECTION START
ABS control unit inspection
SBR862E
©
GO TO 2.
2
CHECK WARNING LAMP
1. Disconnect ABS actuator and electric unit connector.
2. Connect suitable wire between ABS actuator and electric unit connector terminal 10 and ground.
SBR146ED
Does warning lamp activate?
Yes
©
GO TO 3.
No
©
Repair combination meter. Check the following.
I
Harness connector E55
I
Harness for open or short between ABS actuator and electric unit and fuse
If NG, repair harness or connector.
3
CHECK HARNESS CONNECTOR
Check ABS actuator and electric unit pin terminals for damage or the connection of ABS actuator and electric unit harness
connector. Reconnect ABS actuator and electric unit harness connector. Then retest.
OK
©
INSPECTION END
NG
©
GO TO 4.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
ABS
7. ABS Warning Lamp Stays On When Ignition Switch Is Turned On
BR-73
4
CHECK ABS MOTOR GROUND
1. Turn ignition switch “OFF”.
2. Disconnect ABS actuator and electric unit connector.
3. Check continuity between ABS actuator and electric unit connector terminal 16 and ground.
SBR147EB
Does continuity exist?
Yes
©
Replace ABS actuator and electric unit.
No
©
Check the following.
I
Harness connector E55
I
Harness for open or short between ABS actuator and electric unit and ground
If NG, repair harness or connector.
TROUBLE DIAGNOSES FOR SYMPTOMS
ABS
7. ABS Warning Lamp Stays On When Ignition Switch Is Turned On (Cont’d)
BR-74
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