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

BME040343000220

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).