ABS Indicator Does Not Turn Off When Engine Is Started
ABS Light Does Not Go Off. (Part 1 Of 2):
ABS Light Does Not Go Off. (Part 2 Of 2):
NORMAL OPERATION
When no problem is found during the initial diagnosis, the Anti-lock Brake System (ABS) control unit turns the ABS indicator light drive transistor off to turn the ABS indicator light off.
SYMPTOM
ABS light comes on and stays on continuously (even after engine is started).
POSSIBLE CAUSES WHEN NO DTC IS INDICATED.
- Blown R/C MIRROR (7.5 A) fuse.
- Open circuit between the under-dash fuse/relay box and ABS control unit.
- Open circuit between the battery and under-hood ABS fuse/relay box.
- Blown ABS B2 (15 A) fuse.
- Open circuit inside the under-hood ABS fuse/relay box.
- Open circuit between the under-hood ABS fuse/relay box and ABS control unit.
- Faulty alternator.
- Open circuit between the alternator and ABS control unit.
- Short to body ground in the WARN circuit between the ABS indicator light and ABS control unit.
- Faulty ABS control unit.