FixVault

Abs Function Test

NOTE: BRAKE warning light should remain illuminated if parking brake is applied with ignition on.
  1. Turn ignition on and note operation of ANTI-LOCK indicator light and BRAKE warning light on instrument cluster. ANTI-LOCK indicator light and BRAKE warning light should illuminate for 2 seconds, and then turn off.
  2. If ANTI-LOCK indicator light remains illuminated, check for stored Diagnostic Trouble Codes (DTCs). See RETRIEVING DIAGNOSTIC TROUBLE CODES under SELF-DIAGNOSTICS. If no DTCs are stored and ANTI-LOCK indicator light and/or BRAKE warning light do not function properly, perform appropriate circuit test according to symptom. See CIRCUIT TEST DIRECTORY table.
CIRCUIT TEST DIRECTORY

Symptom (1) Go To
Anti-Lock Light Off &Will Not Self-Check CIRCUIT TEST A
Brakelight On, Anti-Lock light Off & Does Self-Check CIRCUIT TEST B
Anti-Lock Light & Brakelight On, No DTCs Set CIRCUIT TEST C
Anti-Lock Light & Brakelight Flashing CIRCUIT TEST D
Rear Wheels Lock With Hard Stops, Anti-Lock Light & Brakelight Self-Check CIRCUIT TEST E
(1) See CIRCUIT TESTS.