Mitsubishi 35A Automobile User Manual


 
ABS <2WD> -
Troubleshooting
35B-14
Inspection Procedure 3
When the ignition key is turned to “ON” (engine stopped),
the ABS warning lamp does not illuminate.
Probable cause
The cause may be an open circuit in the lamp power supply circuit, a blown lamp,
a malfunction of the ABS warning lamp relay or an open circuit between the ABS
warning lamp and the earth.
D Blown fuse
D Burn out ABS warning lamp bulb
D Malfunction of ABS warning lamp relay
D Malfunction of wiring harness or connector
D Malfunction of hydraulic unit
OK
NG
Replace the ABS warning
lamp bulb.
NG
Repair
NG
Replace the combination meter.
NG
Replace the ABS warning
lamp relay.
NG
Repair
OK
Replace the hydraulic unit.
NG
Check the harness wire, and repair if necessary.
D Between ABS warning lamp and ABS warning lamp relay
D Between ABS warning lamp relay and earth
OK
Check the trouble symp-
tom.
OK
Disconnect the ABS warning lamp relay connector A-05X and ABS-
ECU connector A-04, and measure at the harness side connector
of ABS warning lamp relay.
D Ignition switch: ON
D Voltage between 5 and body earth
OK:
Battery voltage
NG
Check the following connector:
A-05X
OK
Check the trouble symp-
tom.
OK
Check the following
connectors:
D-01, D-03, C-135, C-131
OK
ABS warning lamp relay check (Refer to P.35B-21.)
Measure at the connector C-50.
D Disconnect the connector , and measure at the combination
meter side connector.
D Ignition switch: ON
D ABS warning lamp condition when terminal 2 <LHD> or terminal
7 <RHD> is earthed.
OK:
Illuminates
NG
Check whether the ABS warning lamp bulb is burnt out.
Fuse check
Multi-purpose fuse No.13
NG
Refer to GROUP 00 - Inspection Service Points for Blown Fuse.