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NO.1 ANY OF THE FOLLOWING LIGHTS DO NOT ILLUMINATE WHEN IGNITION SWITCH TURNED TO ON POSITION: (ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, DSC INDICATOR LIGHT AND/OR DSC OFF LIGHT)

BHE040343000W12

1 | Any of the following lights do not illuminate when the ignition switch is turned to the on position: (ABS warning light, BRAKE system warning light, DSC indicator light and/or DSC OFF light).
[TROUBLESHOOTING HINTS] • Inspect each light in the instrument cluster for malfunction • Poor connection at DSC HU/CM connector

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | INSPECT FOR DTCS IN DSC HU/CM • Inspect the DTC for the DSC ON-BOARD DIAGNOSTIC SYSTEM. • Have DTCs been stored in memory? | Yes | Perform the applicable DTC inspection. (See DTC Table.)
No | Go to the next step.
2 | INSPECT WHETHER MALFUNCTION IS IN INSTRUMENT CLUSTER SYSTEM OR OTHER SYSTEM • Do other warning and indicator lights illuminate when the ignition switch is turned to the ON position? | Yes | Go to the next step.
No | Inspect or repair the instrument cluster (power supply system, ground system).
3 | VERIFY THAT DSC HU/CM CONNECTOR IS CONNECTED • Is the DSC HU/CM securely connected? | Yes | Go to the next step.
No | Connect the DSC HU/CM connector securely, then go to the next step.
4 | VERIFY THAT DSC HU/CM CONNECTOR TERMINAL OR RELATED CONNECTOR TERMINALS ARE CONNECTED • Are DSC HU/CM connector terminal, instrument cluster connector terminal, or related connector terminals securely connected? | Yes | Replace the DSC HU/CM. (See DSC HU/CM REMOVAL/INSTALLATION.)
No | Securely connect DSC HU/CM connector terminal and related connector terminals.