ABS System

ABS DTC Troubleshooting: 68

DTC 68:

Brake Pedal Position Switch Malfunction

1. Turn the ignition switch to ON (II).

2. Check for other system DTCs .

Is another DTC indicated?

YES -

Do the appropriate troubleshooting for the DTC.�

NO -

Go to step 3.

3. Turn the ignition switch to LOCK (0).

4. Check the brake pedal position switch Testing and Inspection and its adjustment Brake Pedal And Brake Pedal Position Switch/Idle Stop Switch Adjustment.

Is the switch and its adjustment OK?

YES -

Go to step 5.

NO -

Adjust the brake pedal position switch. If necessary, replace the brake pedal position switch Brake Pedal And Brake Pedal Position Switch/Idle Stop Switch Adjustment.�

5. Turn the ignition switch to ON (II).

6. Clear the DTC with the HDS.

7. Turn the ignition switch to LOCK (0).

8. Test-drive the vehicle at 19 mph (30 km/h) or more.

NOTE: Drive the vehicle on the road, not on a lift.

9. Check for DTCs with the HDS.

Is DTC 68 indicated?

YES -

Go to step 10.

NO -

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.�

10. Troubleshoot the brake pedal position switch signal circuit Brake Pedal Position Switch Signal Circuit Troubleshooting.

Is the brake pedal position switch circuit OK?

YES -

Check for loose terminals in the ABS modulator-control unit 47P connector. If necessary, substitute a known-good ABS modulator-control unit, and retest.�

NO -

Repair the brake pedal position switch circuit.�