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ABS WARNING LIGHT DOES NOT COME ON

ABS WARNING LIGHT DOES NOT COME ON

DETECTING CONDITION:


• Defective combination meter

• Defective harness


TROUBLE SYMPTOM:

When the ignition switch is turned to ON (engine OFF), ABS warning light does not come on.

WIRING DIAGRAM:


CHECK ILLUMINATION OF OTHER LIGHTS.

Turn the ignition switch to ON. (engine OFF)

Do other warning lights illuminate?

Yes


No

Check the combination meter.


READ DTC.

Read the DTC.

Is DTC displayed?

Yes

Perform the diagnosis according to DTC.


No


CHECK GROUND SHORT OF HARNESS.

Turn the ignition switch to OFF.

Disconnect the connector (B301) from ABSCM&H/U.

Disconnect the connector (i10) from the combination meter.

Measure the resistance between ABSCM connector and chassis ground.

Connector & terminal

(B301) No. 22 — Chassis ground:

Is the resistance more than 1 MΩ?

Yes


No

Repair harness and connector between ABSCM&H/U and combination meter connector.


CHECK ABSCM.

Connect the connector (B301) to the ABSCM&H/U.

Turn the ignition to ON.

Immediately after turning ignition switch to ON (within 1.5 seconds), measure the resistance of harness between the combination meter connector and chassis ground.

Connector & terminal

(i10) No. 3 — Chassis ground:

Is the resistance more than 1 MΩ?

Yes

Check the combination meter.


No

Replace the ABSCM only.