ABS Trouble Code Charts For Select Monitor Results

TROUBLE CODE 22 FRONT RIGHT ABS SENSOR ABNORMAL SIGNAL
TROUBLE CODE 24 FRONT LEFT ABS SENSOR ABNORMAL SIGNAL
TROUBLE CODE 26 REAR RIGHT ABS SENSOR ABNORMAL SIGNAL
TROUBLE CODE 28 REAR LEFT ABS SENSOR ABNORMAL SIGNAL
ABNORMAL ABS SENSOR (ABS SENSOR ABNORMAL SIGNAL) -





10L1: CHECK OUTPUT OF ABS SENSOR USING SELECT MONITOR.





10L2: CHECK POOR CONTACT IN CONNECTORS.





10L3: CHECK SOURCE OF SIGNAL NOISE.





10L4: CHECK SOURCES OF SIGNAL NOISE.





10L5: CHECK SHIELD CIRCUIT.





10L6: CHECK ABSCM&H/U.





10L7: CHECK ANY OTHER TROUBLE CODE APPEARANCE.





10L8: CHECK INSTALLATION OF ABS SENSOR.





10L9: CHECK TROUBLE CODES.





10L10: CHECK INSTALLATION OF REAR TONE WHEEL.





10L11: CHECK ABS SENSOR GAP.





10L12: PREPARE OSCILLOSCOPE.





10L13: CHECK ABS SENSOR SIGNAL.





10L14: CHECK CONTAMINATION OF ABS SENSOR OR TONE WHEEL.




10L15: CHECK DAMAGE OF ABS SENSOR OR TONE WHEEL.





10L16: CHECK HUB RUNOUT.





10L17: CHECK RESISTANCE OF FRONT ABS SENSOR.





10L18: CHECK RESISTANCE OF REAR ABS SENSOR.





10L19: CHECK GROUND SHORT OF ABS SENSOR.





10L20: CHECK TROUBLE CODE.





10L21: CHECK HARNESS/CONNECTOR BETWEEN ABSCM&H/U AND ABS SENSOR.





10L22: CHECK HARNESS/CONNECTOR BETWEEN ABSCM&H/U AND ABS SENSOR.





10L23: CHECK GROUND SHORT OF HARNESS.





10L24: CHECK GROUND CIRCUIT OF ABSCM&H/U.





10L25: CHECK POOR CONTACT IN CONNECTORS.





10L26: CHECK SOURCE OF SIGNAL NOISE.





10L27: CHECK SOURCES OF SIGNAL NOISE.





10L28: CHECK SHIELD CIRCUIT.





10L29: CHECK ABSCM&H/U.





10L30: CHECK ANY OTHER TROUBLE CODES APPEARANCES.

DIAGNOSIS:
- Faulty ABS sensor signal (noise, irregular signal, etc.)
- Faulty harness/connector
TROUBLE SYMPTOM:
- ABS does not operate.





Wiring diagram