DTC 24
DTC 24: Brake Pedal Stroke Sensor Malfunction1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. With the ignition switch ON (II), press the brake pedal several times.
4. Check for DTCs with the HDS.
Is DTC 24 indicated?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the brake pedal stroke sensor and the servo unit.
5. Turn the ignition switch OFF.
6. Check the brake pedal stroke sensor and its connector for damage and proper installation.
Is the brake pedal stroke sensor installation OK?
YES - Go to step 7.
NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the brake pedal stroke sensor and the servo unit.
7. Disconnect the brake pedal stroke sensor 3P connector.
8. Disconnect the servo unit 25P connector.
9. Check for continuity between the servo unit 25P connector terminals No. 2, No. 14, No. 18, and the brake pedal stroke sensor 3P connector terminals No. 3, No. 2, No. 1 respectively.
Is there continuity?
YES - Go to step 10.
NO - Repair open in the wire between the brake pedal stroke sensor and the servo unit.
10. Replace the brake pedal stroke sensor.
11. Turn the ignition switch ON (II).
12. Clear the DTC with the HDS.
13. Turn the ignition switch OFF.
14. Turn the ignition switch ON (II).
15. With the ignition switch ON (II), press the brake pedal several times.
16. Check for DTCs with the HDS.
Is DTC 24 indicated?
YES - Replace the servo unit.
NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the brake pedal stroke sensor and the servo unit.