Preliminary Information

While watching ABS warning light, turn ignition on.

• Light Does Not Come On Light circuit is faulty. Perform ABS WARNING LIGHT CIRCUIT test under CIRCUIT TESTING. If problem remains, replace ABS ECU.
• Light Comes On & Stays On Codes are set. Retrieve codes. See RETRIEVING CODES under DIAGNOSIS & TESTING.
• Light Comes On For 3 Seconds, Then Goes Out This means that no codes are set (but verify this by retrieving codes; see RETRIEVING CODES under DIAGNOSIS & TESTING). Diagnose fault according to symptom. See ABS DOES NOT OPERATE or ABS DOES NOT OPERATE EFFICIENTLY.