Brake Warning System Check
- Connect scan tool to Data Link Connector (DLC). Turn ignition on. Check for ABS DTCs related to brake system warning indicator operation. If any DTCs are stored, repair as necessary. Go to appropriate ANTI-LOCK BRAKES article in BRAKES.
- Turn ignition off. Disconnect scan tool. Release parking brake. Turn ignition on. BRAKE indicator should stay off. If BRAKE indicator does not operate as specified, go to BRAKE WARNING INDICATOR ALWAYS ON or BRAKE WARNING INDICATOR INOPERATIVE WITH LOW BRAKE FLUID under SYMPTOM TESTS.
- Ensure transmission is in Park. Start vehicle and allow to idle. Turn ignition off. BRAKE indicator should be off when ignition is in ON or START positions. If BRAKE indicator does not operate as specified, go to BRAKE WARNING INDICATOR ALWAYS ON or BRAKE WARNING INDICATOR INOPERATIVE WITH LOW BRAKE FLUID under SYMPTOM TESTS.
- Turn ignition on. Depress parking brake pedal. Release parking brake. BRAKE indicator should only be on when parking brake pedal is applied. If BRAKE indicator does not operate as specified, go to BRAKE WARNING INDICATOR ALWAYS ON or BRAKE WARNING INDICATOR INOPERATIVE WITH LOW BRAKE FLUID under SYMPTOM TESTS.