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NO.12 ANY OF THE FOLLOWING LIGHTS DO NOT ILLUMINATE WITH IGNITION SWITCH ON: (ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, DSC INDICATOR LIGHT AND/OR DSC OFF LIGHT)

id040300901000

12 | Any of the following lights do not illuminate with ignition switch on: (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 recorded in memory? | Yes | Perform inspection using appropriate DTC.
No | Go to next step.
2 | INSPECT TO SEE WHETHER MALFUNCTION IS IN INSTRUMENT CLUSTER SYSTEM OR OTHER SYSTEM • Do other warning and indicator lights illuminate when IG switch is turned ON? | Yes | Go to next step.
No | Inspect or repair instrument cluster (power supply system, ground system).
3 | VERIFY THAT DSC HU/CM CONNECTOR IS CONNECTED • Is DSC HU/CM securely connected? | Yes | Go to next step.
No | Connect DSC HU/CM connector securely, then go to next step.
4 | VERIFY THAT DSC HU/CM CONNECTOR TERMINAL OR RELATED CONNECTOR TERMINALS ARE CONNECTED • Are DSC HU/CM connector terminal, or instrument cluster connector terminal, or related connector terminals securely connected? | Yes | Go to next step.
No | Connect DSC HU/CM connector terminal etc. related connector terminal securely.
5 | INSPECT FOR DTC IN CAN COMMUNICATION • Reconnect all disconnected connectors. • Clear the DTC from DSC HU/CM memory using the WDS or equivalent. • Turn the ignition switch to ON. • Inspect the DTC for DSC ON-BOARD DIAGNOSTIC SYSTEM. • Is the DTC U1900 stored? | Yes | Inspect and repair CAN communication related harness or connectors. If the harness and connectors are normal, replace DSC HU/CM.
No | Inspect and repair the instrument cluster.