Abs/TRACS Function Check

Turn ignition on. If ABS and TRACS warning lights come on for at least one second, go to next step. If ABS and TRACS warning lights do not come on for at least one second, go to ABS WARNING INDICATOR DOES NOT LIGHT or TRACS WARNING INDICATOR DOES NOT LIGHT under DIAGNOSIS & TESTING.
Wait 3 seconds. If ABS and TRACS warning lights go out, go to next step. If ABS and TRACS warning lights do not go out, check for DTCs. Go to TEST MODE NO. 1 (READING DTCs) under SELF-DIAGNOSIS . If DTCs cannot be read or are not displayed, go to ABS WARNING INDICATOR LIGHTS, NO DTC DISPLAYED or TRACS WARNING INDICATOR LIGHTS , NO DTC DISPLAYED under DIAGNOSIS & TESTING. If DTCs are present, go to ABS/TRACS DTCs table. Always begin diagnosis with highest DTC.
Check for DTCs. If DTCs cannot be read, go to DTCS CANNOT BE READ under DIAGNOSIS & TESTING. If no DTCs are displayed, test drive vehicle and note symptoms. Go to TEST DRIVING VEHICLE , then go to step 4). If DTCs are displayed, go to CHECKING INTERMITTENT FAULTS to determine probable cause of fault. Record, then erase DTCs. Test drive vehicle and note any other symptoms. Go to TEST DRIVING VEHICLE , then go to step 4).
If ABS and/or TRACS warning indicator lights during test drive, check for DTCs. If no DTCs are present, check if ABS or TRACS warning light circuit has been grounded.
If ABS and/or TRACS warning light does not light during test drive, check if any other symptoms of a faulty ABS or TRACS system are present. If symptoms are present, go to POOR BRAKING , BOTH FRONT WHEELS ARE COMPLETELY OR PARTIALLY LOCKED or NO TRACS FUNCTION under DIAGNOSIS & TESTING. If symptoms are not present, no faults are present, or problems or symptoms are intermittent.