Mitsubishi 3000GT Workshop Manual Supplement page 34

35-18
SERVICE BRAKES
-
ABS
Troubleshooting
Inspection Procedure 5
Brake operation is abnormal.
Probable cause
This varies dependinq on the driving conditions and
the
road surface conditions, so
problem diagnbsis
isäifficult. Howeüer, if
a normal diagnosis code is
displayed, carry
out the
following inspection.
.
lmproper installation of wheel speed
sensor
.
Incorrect sensor hamess contact
o
Foreign material adhering to wheel speed sensor
o
Malfunction of wheel speed sensor
o
Malfunction of rotor
.
Malfunction of wheel bearing
.
Malfunction of hydraulic unit
o
Malfunction of ABS-ECU
Wheel speed sensor installation in-
spection
Replace lhe
wheel speed sensor.
Wheel
speed
sensor outpul voltage in-
spection
Chcck the
followlng connectors.
A-12,
A-Sl, C-26,
E-l3
and
E-l5
Measure at ABS-ECU connector G-29.
o
Disconnect the
conneclor add mea-
sure at
the
hamess side.
.
Resistance valug between lermi-
nals
46-73, 69-70,71-72
and74-75
OK:1.4-1.8kO
(The sensor hamess and
connector
should be moved while these in-
spections are carried out.)