ABS Trouble Code Charts For Warning Light Codes

F: TROUBLE CODE 22 (FRONT RIGHT-HAND)

G: TROUBLE CODE 24 (FRONT LEFT-HAND)

H: TROUBLE CODE 26 (REAR RIGHT-HAND)

I: TROUBLE CODE 28 (REAR LEFT-HAND) - ABNORMAL ABS SENSOR (ABNORMAL ABS SENSOR SIGNAL)

Diagnosis:
- Faulty ABS sensor signal (noise, irregular signal, etc.)
- Faulty harness/connector
Trouble Symptom:
- ABS does not operate.





Wiring diagram





8I1: CHECK INSTALLATION OF ABS SENSOR.





8I2: CHECK TROUBLE CODE.





8I3: CHECK INSTALLATION OF REAR TONE WHEEL.





8I4: CHECK ABS SENSOR GAP.





8I5: PREPARE OSCILLOSCOPE.





8I6: CHECK ABS SENSOR SIGNAL.





8I7: CHECK CONTAMINATION OF ABS SENSOR OR TONE WHEEL.





8I8: CHECK DAMAGE OF ABS SENSOR OR TONE WHEEL.





8I9: CHECK TROUBLE CODES.





8I10: CHECK RESISTANCE OF FRONT ABS SENSOR.





8I11: CHECK RESISTANCE OF REAR ABS SENSOR.





8I12: CHECK GROUND SHORT OF ABS SENSOR.





8I13: CHECK TROUBLE CODE.





8I14: CHECK HARNESS CONNECTOR BETWEEN ABSCM&H/U AND ABS SENSOR.





8I15: CHECK HARNESS CONNECTOR BETWEEN ABSCM&H/U AND ABS SENSOR.





8I16: CHECK GROUND SHORT OF HARNESS.





8I17: CHECK GROUND CIRCUIT OF ABSCM&H/U.





8I18: CHECK POOR CONTACT IN CONNECTORS.





8I19: CHECK SOURCE OF SIGNAL NOISE.





8I20: CHECK SOURCE OF SIGNAL NOISE.





8I21: CHECK SHIELD CIRCUIT.





8I22: CHECK ABSCM&H/U.





8I23: CHECK ANY OTHER TROUBLE CODES APPEARANCE.