DTC 68
DTC 68: Brake Pedal Position Switch1. Clear the DTC.
2. Disconnect the HDS from the 16P DLC.
3. Turn the ignition switch OFF, then turn it ON (II) again.
4. Test-drive the vehicles.
Does the VSA or ABS indicator come on?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections.
5. Check the brake lights.
Do the brake lights work?
YES - Go to step 6.
NO - Repair the brake light circuit.
6. Measure the voltage between the VSA control unit 47P connector terminal No. 15 and body ground.
Is there battery voltage when the brake pedal is pressed and less than 1 V when it is released?
YES - Check for loose terminals in the VSA control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and recheck.
NO - Check for open between the brake pedal position switch and the VSA control unit 47P connector No. 15.