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P–108 TROUBLESHOOTING (ABS/TCS/DYNAMIC STABILITY CONTROL) NO.2 NEITHER ABS WARNING LIGHT NOR BRAKE SYSTEM WARNING LIGHT ILLUMINATE WITH A6E699067650W06 • When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any intermittent malfunction. If End Of Sie 2 Neither ABS warning light nor BRAKE system warning light illuminate with ignition switch [TROUBLESHOOTING HINTS] • Malfunction of instrument cluster or ABS/TCS HU/CM • Improper configuration (instrument cluster) STEP INSPECTION ACTION 1 VERIFY WHETHER MALFUNCTION IS IN • Do other warning and indicator lights illuminate when IG switch is turned ON? Yes Replace instrument cluster (open circuit in instrument No Go to next step. 2 INSPECT INSTRUMENT CLUSTER POWER • 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. * 3 VERIFY WHETHER MALFUNCTION IS IN • Turn ignition switch ON. • Measure voltage at instrument cluster connector (24-pin ) terminal 2V. • Is voltage approximately 12V? Yes Replace instrument cluster (open circuit in instrument No Check for open circuit between instrment cluster and 4 COMFIRM DTC U1900 USING WDS OR • Retrieve DTC from PCM, ABS/TCS and instrument cluster. • Is DTC U1900 retrieved? Yes Go to next step. No Inspect instrment cluster. If OK, then go to step6. 5 COMFIRM THE FOLLOWING PIDs USING • ABS_MSG • PCM_MSG • Is “not present” massage displayed on WDS or equivalent? Yes Replace instrument cluster (open circuit in instrument No Network communication, for related system is malfunction. 6 COMFIRM DTC B2477 FOR INSTRUMENT • Is DTC B2477 retrieved? Yes Re -configure the instrument cluster. No Replace ABS/TCS HU/CM. |