DTC 64
DTC 64: Brake Pedal Stroke Sensor, PREG Sensor and PMC Sensor Voltage Malfunction1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0).
4. Turn the ignition switch to ON (II).
5. Check for DTCs with the HDS.
Is DTC 64 indicated?
YES - Go to step 6.
NO - Intermittent failure, the system is OK at this time. Check for loose terminals at the servo unit 25P connector. Refer to intermittent failures troubleshooting.
6. Turn the ignition switch to LOCK (0).
7. Disconnect the servo unit 25P connector.
8. Check for continuity between servo unit 25P connector terminal No. 2 and body ground.
Is there continuity?
YES - Go to step 9.
NO - Go to step 11.
9. Disconnect the brake pedal stroke sensor 3P connector.
10. Check for continuity between servo unit 25P connector terminal No. 2 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between the brake pedal stroke sensor and the servo unit.
NO - Replace the brake pedal stroke sensor.
11. Disconnect the brake pedal stroke sensor 3P connector.
12. Check for continuity between servo unit 25P connector terminals No. 2 and No. 18.
Is there continuity?
YES - Repair short in the wires between the brake pedal stroke sensor and the servo unit.
NO - Replace the servo unit.