Operation CHARM: Car repair manuals for everyone.

2-9




Active Damper System DTC Troubleshooting: 2-8, 2-9, 2-A, 2-B

DTC 2-8:

Right-Front Suspension Stroke Sensor Signal Circuit Low Voltage

DTC 2-9:

Left-Front Suspension Stroke Sensor Signal Circuit Low Voltage

DTC 2-A:

Right-Rear Suspension Stroke Sensor Signal Circuit Low Voltage

DTC 2-B:

Left-Rear Suspension Stroke Sensor Signal Circuit Low Voltage

NOTE: If DTC 8-2 is stored at the same time as DTC 2-8, DTC 2-9, DTC 2-A, or DTC 2-B troubleshoot DTC 8-2 first, then recheck for DTC 2-8 DTC 2-9, DTC 2-A, or DTC 2-B.

1. Press the engine start/stop button to select the ON mode.

2. Clear the DTC with the HDS.

3. Press the engine start/stop button to select the OFF mode.

4. Start the engine, and wait 5 seconds.

5. Check for DTCs with the HDS.

Is DTC 2-8, 2-9, 2-A, or 2-B indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.

6. Check for DTCs with the HDS.

Is only one DTC indicated?

YES -

Go to step 7.

NO -

Go to step 19.

7. Press the engine start/stop button to select the OFF mode.

8. Disconnect the appropriate suspension stroke sensor 3P connector Service and Repair.






9. Press the engine start/stop button to select the ON mode.

10. Measure the voltage between body ground and the appropriate suspension stroke sensor 3P connector terminal No. 1.






DTC 2-8





DTC 2-9





DTC 2-A





DTC 2-B





Is there about 5 V?

YES -

Go to step 11.

NO -

Repair an open in the wire between the appropriate suspension stroke sensor and the active damper control unit.

11. Press the engine start/stop button to select the OFF mode.

12. Connect appropriate suspension stroke sensor 3P connector terminals No. 1 and No. 2 with a jumper wire.

DTC 2-8





DTC 2-9





DTC 2-A





DTC 2-B





13. Press the engine start/stop button to select the ON mode.

14. Check the SUS STROKE_S VOLTAGE (RF), (LF), (RR), or (LR) in the ACTIVE DAMPER SYSTEM DATA LIST with the HDS.

Is there about 5 V?

YES -

Replace the appropriate suspension stroke sensor Service and Repair.

NO -

Go to step 15.

15. Press the engine start/stop button to select the OFF mode.

16. Disconnect active damper control unit connector A (20P) or B (14P) Service and Repair.






17. Check for continuity between appropriate suspension stroke sensor terminals No. 2 and No. 3.

DTC 2-8





DTC 2-9





DTC 2-A





DTC 2-B





Is there continuity?

YES -

Repair a short in the wires between the appropriate suspension stroke sensor and the active damper control unit.

NO -

Go to step 18.

18. Check for continuity between the appropriate active damper control unit connector A (20P) or B (14P) terminal and appropriate suspension stroke sensor 3P connector terminal No. 2.













Is there continuity?

YES -

Replace the active damper control unit Service and Repair.

NO -

Repair an open in the wire between the appropriate suspension stroke sensor and the active damper control unit.

19. Press the engine start/stop button to select the OFF mode.

20. Disconnect active damper control unit connector B (14P) Service and Repair.

21. Disconnect the appropriate suspension stroke sensor 3P connector Service and Repair.






22. Check for continuity between active damper control unit connector B (14P) terminal No. 4 and appropriate suspension stroke sensor 3P connector terminal No. 1.









Is there continuity?

YES -

Replace the active damper control unit Service and Repair.

NO -

Repair an open in the wire between the appropriate suspension stroke sensor and the active damper control unit.