Operation CHARM: Car repair manuals for everyone.

DTC 68

DTC 68: Brake Pedal Position Switch

1. Check for the fuel and emission systems (PGM-FI) DTCs with the HDS.

Are any ECM/PCM DTCs indicated?

YES - Do the appropriate troubleshooting for the DTC.

NO - Go to step 2.

2. Check the brake pedal position switch.

Is the switch OK?

YES - Go to step 3.

NO - Replace the brake pedal position switch.

3. Clear the DTC using the HDS.
4. Turn the ignition switch OFF.
5. Disconnect the HDS from the 16P DLC.
6. Test-drive the vehicle.

Does the ABS indicator come on, and is DTC 68 indicated?

YES - Go to step 7.

NO - The system is OK at this time. Refer to intermittent failures.

7. Troubleshoot the brake pedal position switch signal circuit.

Is the brake pedal position switch circuit OK?

YES - Substitute a known-good ECM/PCM, and recheck:

^ If the problem is gone, replace the original ECM/ PCM.
^ If the problem continues, check for loose terminals in the VSA modulator-control unit 47P connector. If no loose terminals are found, replace the VSA modulator-control unit.

NO - Repair the brake pedal position switch circuit.