B: ABS WARNING LIGHT DOES NOT GO
OFF.
DIAGNOSIS:
ABS warning light circuit is open or shorted.
TROUBLE SYMPTOM:
When starting the engine and while ABS warning light is
kept ON.
WIRING DIAGRAM:
B4M1230
21
4-4dBRAKES [ABS 5.3i TYPE]
7. Diagnostics Chart for ABS Warning Light Circuit and Diagnosis Circuit Failure
7B1CHECK INSTALLATION OF ABSCM&H/U
CONNECTOR.
Turn ignition switch to OFF.
: Is ABSCM&H/U connector inserted into
ABSCM until the clamp locks onto it?
: Go to step7B2.
: Insert ABSCM&H/U connector into ABSCM&H/U
until the clamp locks onto it.
B4M0800A
7B2
CHECK DIAGNOSIS TERMINAL.
Measure resistance between diagnosis terminals (B81)
and chassis ground.
: Terminals
Diagnosis terminal (A)—Chassis ground:
Diagnosis terminal (B)—Chassis ground:
Is the resistance less than 0.5Ω?
: Go to step7B3.
: Repair diagnosis terminal harness.
B4M1233A
7B3
CHECK DIAGNOSIS LINE.
1) Turn ignition switch to OFF.
2) Connect diagnosis terminal to diagnosis connector
(B82) No. 6.
3) Disconnect connector from ABSCM&H/U.
4) Measure resistance between ABSCM&H/U connector
and chassis ground.
: Connector & terminal
(F49) No. 4—Chassis ground:
Is the resistance less than 0.5Ω?
: Go to step7B4.
: Repair harness connector between ABSCM&H/U
and diagnosis connector.
22
4-4dBRAKES [ABS 5.3i TYPE]
7. Diagnostics Chart for ABS Warning Light Circuit and Diagnosis Circuit Failure