Brake System Indicator Does Not GO OFF
Brake system indicator does not go off1. Release the parking brake.
2. Start the engine.
Does the brake system indicator go off?
YES - The system is OK at this time.
NO - Go to step 3.
3. Check the brake fluid level.
Is the level OK?
YES - Go to step 4.
NO - Refill the brake fluid, and recheck.
4. Check the ABS indicator.
Does the ABS indicator stay on?
YES - Read the ABS OTC, and do applicable troubleshooting for the DTC.
NO - Go to step 5.
5. Turn the ignition switch OFF.
6. Disconnect the ABS control unit 31P connector.
7. Connect the ABS control the ABS control terminal No. 21 and body ground with a jumper wire.
8. Start the engine
9. Check the brake system indicator.
Does the brake system indicator go off?
YES - Replace the ABS modulator-control unit.
NO - Go to step 10.
10. Turn the ignition switch OFF.
11. Connect the multiplex control unit 13P connector terminal No. 1 and body ground with a jumper wire.
12. Start the engine.
13. Check the brake system indicator.
Does the brake system indicator go off?
YES - Repair open in the wire between the multiplex control unit and the ABS control unites
NO - Go to multiplex control system troubleshooting.