ABS Trouble Code Charts For Warning Light Codes
TROUBLE CODE 29 - ABNORMAL ABS SENSOR SIGNAL (ANY ONE OF FOUR) -8J1: CHECK IF THE WHEELS HAVE TURNED FREELY FOR A LONG TIME.
8J2: CHECK TIRE SPECIFICATIONS.
8J3: CHECK WEAR OF TIRE.
8J4: CHECK TIRE PRESSURE.
8J5: CHECK INSTALLATION OF ABS SENSOR.
8J6: CHECK INSTALLATION OF REAR TONE WHEEL.
8J7: CHECK ABS SENSOR GAP.
8J8: PREPARE OSCILLOSCOPE.
8J9: CHECK ABS SENSOR SIGNAL.
8J10: CHECK CONTAMINATION OF ABS SENSOR OR TONE WHEEL.
8J11: CHECK DAMAGE OF ABS SENSOR OR TONE WHEEL.
8J12: CHECK HUB RUNOUT.
8J13: CHECK ABSCM&H/U.
8J14: CHECK ANY OTHER TROUBLE CODES APPEARANCE.
DIAGNOSIS:
- Faulty ABS sensor signal (noise, irregular signal, etc.)
- Faulty tone wheel
- Wheels turning freely for a long time
TROUBLE SYMPTOM:
- ABS does not operate.
Wiring diagram