NO.3 ABS WARNING LIGHT STAYS ON 4 S OR MORE WHEN THE IGNITION SWITCH OR ENGINE SWITCH IS TURNED TO THE ON POSITION

id040300807300

3

ABS warning light stays on 4 s or more when the ignition switch or engine switch is turned to the ON position.

[TROUBLESHOOTING HINTS]

• ABS CM detects ABS system malfunction.

• Short to ground in ABS warning light control circuit

Diagnostic procedure

STEP	INSPECTION		ACTION
1	INSPECT FOR DTCs IN ABS HU/CM • Have DTCs been stored in memory?	Yes	Perform the applicable DTC inspection. (See ON-BOARD DIAGNOSIS.)
1		No	Inspect the instrument cluster If the instrument cluster is normal, go to the next step. If the instrument cluster has a malfunction, repair the instrument cluster, go to the next step.
2	VERIFY WHETHER MALFUNCTION IS IN WARNING LIGHT OR CONTROL CIRCUIT • Turn the ignition switch or engine switch OFF. • Disconnect the ABS HU/CM connector. • Turn the ignition switch or engine switch to ON. • Does the ABS warning light stay on 4 s or more?	Yes	Go to the next step.
2		No	Replace the ABS HU/CM. (See ABS HU/CM REMOVAL/INSTALLATION.)
3	INSPECT ABS WARNING LIGHT CONTROL CIRCUIT FOR SHORT TO GROUND • Turn the ignition switch or engine switch OFF. • ABS HU/CM connector disconnected. • Disconnect the instrument cluster connector. • Verify continuity between ABS HU/CM harness-side connector terminal S and body ground. • Is there any continuity?	Yes	Repair or replace for short to ground.
3		No	Replace instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

3	ABS warning light stays on 4 s or more when the ignition switch or engine switch is turned to the ON position.
[TROUBLESHOOTING HINTS] • ABS CM detects ABS system malfunction. • Short to ground in ABS warning light control circuit