Infiniti I30 (A33). Manual — part 123
NOTE:
Stopping distance may be longer than vehicles without ABS when
road condition is slippery.
4. ABS Does Not Work
NHBR0123
1
CHECK WARNING LAMP INDICATION
Does the ABS warning lamp activate?
Yes
©
Carry out self-diagnosis. Refer to BR-48, BR-50.
No
©
Go to “3. CHECK WARNING LAMP INDICATION” in “2. Unexpected Pedal Action”,
BR-73.
NOTE:
ABS does not work when vehicle speed is under 10 km/h (6 MPH).
GI
MA
EM
LC
EC
FE
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
ABS
3. Long Stopping Distance (Cont’d)
BR-75
5. Pedal Vibration and Noise
=NHBR0124
1
INSPECTION START
Pedal vibration and noise inspection
SAT797A
©
GO TO 2.
2
CHECK SYMPTOM
1. Apply brake.
2. Start engine.
Does the symptom appear only when engine is started?
Yes
©
Carry out self-diagnosis. Refer to BR-48, BR-50.
No
©
GO TO 3.
3
RECHECK SYMPTOM
Does the symptom appear when electrical equipment switches (such as headlamp) are operated?
Yes
©
INSPECTION END
No
©
Go to “3. CHECK WARNING LAMP INDICATION” in “2. Unexpected Pedal Action”,
BR-73.
NOTE:
ABS may operate and cause vibration under any of the following
conditions.
I
Applying brake gradually when shifting or operating clutch.
I
Low friction (slippery) road.
I
High speed cornering.
I
Driving over bumps and pot holes.
I
Engine speed is over 5,000 rpm with vehicle stopped.
TROUBLE DIAGNOSES FOR SYMPTOMS
ABS
5. Pedal Vibration and Noise
BR-76
6. ABS Warning Lamp Does Not Come On
When Ignition Switch Is Turned On
=NHBR0125
1
INSPECTION START
Warning lamp circuit inspection
SBR598E
©
GO TO 2.
2
CHECK FUSE
Check 10A fuse No. 30 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 connectors from control unit and actuator.
4. Check voltage between control unit connector terminal 2 and ground after turning ignition switch “ON”.
SBR599E
Does battery voltage exist after turning ignition switch “ON”?
Yes
©
GO TO 5.
No
©
GO TO 4.
GI
MA
EM
LC
EC
FE
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-77
4
CHECK WARNING LAMP INDICATION
Disconnect ABS actuator and electric unit connector.
SBR588E
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 2 and ground.
SBR600E
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 2.
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-78
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