7A2
CHECK ABS WARNING LIGHT BULB.
1) Turn ignition switch to OFF.
2) Remove combination meter.
3) Remove ABS warning light bulb from combination
meter.
: Is ABS warning light bulb OK?
: Go to step7A3.
: Replace ABS warning light bulb.
B4M0791A
7A3
CHECK WIRING HARNESS.
1) Disconnect connector from ABSCM.
2) Disconnect connector (F50) from relay box.
3) Turn ignition switch to ON.
4) Measure voltage between connector (F49) and chassis
ground.
: Connector & terminal
(F49) No. 54 (+) — Chassis ground ( ):
Is voltage 12 V?
: Go to next step.
: Repair broken wire in harness or connector.
5) Turn ignition switch to OFF.
6) Measure voltage between ABSCM connector (F49) and
chassis ground.
: Connector & terminal
(F49) No. 54 (+) — Chassis ground ( ):
Is voltage less than 3 V?
: Go to step7A4.
: Repair battery short of harness.
16
4-4cBRAKES [ABS 5.3 TYPE]
7. Diagnostics Chart for ABS Warning Light Circuit and Diagnosis Circuit Failure
B: CHECK INDICATOR AND CIRCUIT IN
CRUISE CONTROL MAIN SWITCH
DIAGNOSIS:
Bulb failure or open harness of the indicator circuit in the
cruise control main switch.
TROUBLE SYMPTOM:
Cruise control can be set, normally indicator does not
come on. (When main switch is pressed.)
1. Check cruise control main switch.
OK
Not OK
Replace bulb.
2. Check circuit between cruise control module
and cruise control main switch indicator light.
OK
Not OK
Repair or replace wiring harness.
If no output from the cruise control module,
replace the cruise control module.
Failure of the cruise control module.
B6M0275
12
6-2BODY ELECTRICAL SYSTEM
7. Diagnostics Chart for Power Line
