ABS Trouble Code Charts For Warning Light Codes

Steps 1-4:

Steps 5-9:

Steps 10-14:

DTC 21
- ABNORMAL ABS WHEEL SPEED SENSOR (OPEN CIRCUIT OR INPUT VOLTAGE TOO HIGH) (FRONT RH) -

DIAGNOSIS:
- Faulty ABS wheel speed sensor (Broken wire, input voltage too high)
- Faulty harness connector

TROUBLE SYMPTOM:
- ABS does not operate.





WIRING DIAGRAM