VSA DTC Troubleshooting: 68
DTC 68:
 Brake Pedal Position Switch Stuck OFF (Software)
  1. Turn the ignition switch to ON (II) .
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
  1. Press the brake pedal several times.
  1. Check for DTCs with the HDS.
Is DTC 68 indicated?
YES -
Go to Step 6 .
NO -
Intermittent failure, system is OK at this time. Check for loose terminals between the brake pedal position switch 4P connector, the ECM connector A (49P) (L13Z1 engine model) or ECM/PCM connector A (44P) (except L13Z1 engine model), and the VSA modulator-control unit 46P connector. Refer to intermittent failures troubleshooting. ■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the brake pedal position switch 4P connector.
  1. Do the brake pedal position switch test.
Is the switch OK?
YES -
Go to Step 9 .
NO -
Replace the brake pedal position switch. ■
  1. Short the SCS line with the HDS.
  1. Disconnect the ECM connector A (49P) (L13Z1 engine model) or ECM connector A (44P) (except L13Z1 engine model).
  1. Check for continuity between brake pedal position switch 4P connector terminal No. 2 and ECM connector A (49P) terminal No. 42 (L13Z1 engine model) or ECM connector A (44P) terminal No. 40 (except L13Z1 engine model).
Is there continuity?
YES -
Check the fuel and emissions systems, and troubleshoot the brake pedal position switch signal circuit: L13Z1 engine model, R18A2 engine model, K20Z4 engine model. ■
NO -
Repair open in the wire between the ECM and the brake pedal position switch.■