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ABS <2WD> -
Troubleshooting
35B-15
Inspection Procedure 4
Even after the engine is started, the ABS warning lamp
remains illuminated.
Probable cause
The cause is probably a short-circuit in the ABS warning lamp illumination circuit. D Malfunction of combination meter
D Malfunction of ABS warning lamp relay
D Malfunction of wiring harness (short circuit)
D Malfunction of hydraulic unit
NOTE
This trouble symptom is limited to cases where communication with the MUT-
II
is possible (ABS-ECU
power supply is normal) and the diagnosis code is a normal diagnosis code.
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 ABS-ECU
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 2 and body earth
OK:
Battery voltage
NG
Check the following connectors:
A-05X, A-04
NO
ABS warning lamp relay check (Refer to P.35B-21.)
NG
Replace the ABS warning lamp relay.
Does the ABS warning lamp stay illuminated when the connector
C-50 is disconnected and the ignition switch is turned to ON?
YES
Replace the combination meter.