Mitsubishi 3000GT Service Manual page 887

SERVICE BRAKES - Anti-lock Braking System Troubleshooting
inspection Procedure 5
Brakes operate abnormally,.
Troubles are hard to be judged since they differ according to the driving conditions
and the state of road surface, when the diagnostic trouble code is normal code, perform
the following check.
Check wheel speed sensor
installation.
Check HU. (Refer to P.35-76.)
N G
Check rotor.
Check wheel bearing.
A-29, A-12, E-19, E-16, C-33
Check trouble symptoms.
Measure at ABS-ECU connector
E-12.
Disconnect connectors and
l
make measurements on har-
ness side.
Resistance between 74-75,
l
Be sure to perform checks
while moving the sensor
harness and connectors. I
E-12
Check trouble symptoms.
TSB Revision
Probable cause
Wheel speed sensor installation defective
l
Harness, connector defective
l
Wheel speed sensor defective
l
Rotor defective
l
Wheel speed sensor having foreign matter deposited
l
on it.
Wheel bearing defective
l
HU defective
l
ABS-ECU defective
l
OK
NG
N G
OK
1
NG
OK
NG
OK
NG
Replace wheel speed sensor.
Replace rotor.