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NO.5 ABS WARNING LIGHT, BRAKE SYSTEM WARNING LIGHT, TCS INDICATOR LIGHT AND TCS OFF LIGHT DO NOT ILLUMINATE WITH IGNITION SWITCH ON.

BME040367650W05

5 | ABS warning light, BRAKE system warning light, TCS indicator light and TCS OFF light do not illuminate with ignition switch ON.
[TROUBLESHOOTING HINTS] • Warning light circuit and indicator light circuit open or shorted to ground.

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | VERIFY WHETHER MALFUNCTION IS IN COMMON POWER SUPPLY FOR WARNING LIGHT AND INDICATOR LIGHTS OR OTHER WARNING LIGHTS • Do all the following warning lights illuminate when IG switch is turned ON?

  - CHECK ENGINE warning light
  - Air bag system wiring light

Yes
Replace ABS/TCS HU/CM (open or ground to short in ABS/TCS HU/CM).
No | Go to next step.
2 | INSPECT INSTRUMENT CLUSTER POWER SUPPLY FUSE • Is instrument cluster ignition power supply fuse okay? | Yes | Go to next step.
No | Check for a short to ground on blown fuse's circuit. Repair or replace as necessary. Install appropriate amperage fuse.
*3 | VERIFY WHETHER INSTRUMENT MALFUNCTION IN WIRING HARNESS (BETWEEN POWER SUPPLY AND INSTRUMENT CLUSTER FOR CONTINUITY) OR INSTRUMENT CLUSTER • Turn ignition switch ON. • Measure voltage at instrument cluster connector (24-pin) Terminal 3J. • Is voltage approximately 12 V? | Yes | Inspect warning light circuit in instrument cluster (open circuit in instrument cluster).
No | Repair wiring harness between fuse block and instrument cluster (Terminal 3J).