Operation CHARM: Car repair manuals for everyone.

DTC 68

DTC 68: Brake Pedal Position Switch Stuck ON (Hardware)

1. Turn the ignition switch ON (II).
2. Clear for DTCs with the HDS.

Is DTC 86 indicated with DTC 68 at the same time?

YES - Do the DTC 86 troubleshooting. DTC 86

NO - Go to step 3.

3. Check the BRAKE SWITCH in the VSA DATA LIST with the HDS while pressing the brake pedal.

Does it indicate ON when the pedal is pressed, and OFF when pedal is released?

YES - Go to step 4.

NO - Go to step 7.

4. Clear the DTC with the HDS.
5. Test-drive the vehicle at 10 mph (15 km/h) for 60 seconds or more.
6. Check for DTCs with the HDS.

Is DTC 68 indicated?

YES - Check for loose terminals in the VSA modulator-control unit 46P connector. If necessary, substitute a know-good VSA modulator-control unit and retest.

NO - Intermittent failure, the system is OK at this time. Check for loose terminals at the VSA modulator-control unit 46P connector. Refer to intermittent failures troubleshooting. How to Troubleshoot DTCs

7. Turn the ignition switch OFF.
8. Disconnect the brake pedal position switch 4P connector.
9. Do the brake pedal position switch test.

Is the switch OK?

YES - Check the fuel and emission systems, and troubleshoot the brake pedal position switch signal circuit.

NO - Replace the brake pedal position switch.