8-2

Active Damper System DTC Troubleshooting: 8-2

DTC 8-2: Sensor Reference Voltage Malfunction (SVCC Line)

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

2. Clear the DTC with the HDS.

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

4. Start the engine, and wait 5 seconds.

5. Check for DTCs with the HDS.

Is DTC 8-2 indicated?
YES - Go to step 6.

NO - Intermittent failure, the system is OK at this time. Check for poor or loose connections between the vertical acceleration sensor, the suspension stroke sensor, and the active damper control unit.


6. Clear the DTC with the HDS.

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

8. Disconnect the right-front suspension stroke sensor 3P connector.

9. Start the engine, and wait 5 seconds.

10. Check for DTCs with the HDS.

Is DTC 8-2 indicated?
YES - Go to step 11.

NO - Replace the right-front suspension stroke sensor. Suspension Stroke Sensor Replacement (With Active Damper System)


11. Clear the DTC with the HDS.

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

13. Disconnect the right-rear suspension stroke sensor 3P connector.

14. Start the engine, and wait 5 seconds.

15. Check for DTCs with the HDS.

Is DTC 8-2 indicated?
YES - Go to step 16.

NO - Replace the right-rear suspension stroke sensor. Suspension Stroke Sensor Replacement (With Active Damper System)


16. Clear the DTC with the HDS.

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

18. Disconnect the front vertical acceleration sensor 3P connector.

19. Start the engine, and wait 5 seconds.

20. Check for DTCs with the HDS.

Is DTC 8-2 indicated?
YES - Go to step 21.

NO - Replace the front vertical acceleration sensor. Service and Repair


21. Clear the DTC with the HDS.

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

23. Disconnect the right-rear vertical acceleration sensor 3P connector.

24. Start the engine, and wait 5 seconds.

25. Check for DTCs with the HDS.

Is DTC 8-2 indicated?
YES - Go to step 26.

NO - Replace the right-rear vertical acceleration sensor. Service and Repair


26. Clear the DTC with the HDS.

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

28. Disconnect the left-rear vertical acceleration sensor 3P connector.

29. Start the engine, and wait 5 seconds.

30. Check for DTCs with the HDS.

Is DTC 8-2 indicated?
YES - Go to step 31.

NO - Replace the left-rear vertical acceleration sensor. Service and Repair


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

32. Disconnect active damper control unit connector B (14P).

33. Check for continuity between body ground and active damper control unit connector B (14P) terminal No. 4.

Is there continuity?
YES - Repair short to body ground in the wire between the right-front/right-rear suspension stroke sensors, the front/right-rear/left-rear vertical acceleration sensors, and the active damper control unit.

NO - Go to step 34.






34. Check for continuity between active damper control unit connector B (14P) terminals No. 4 and No. 11.

Is there continuity?
YES - Repair short between the wires (SVCC line and SG line).

NO - Replace the active damper control unit. Service and Repair