2010 Acura Truck MDX V6-3.7L Page 179

Go to step 15.

NO -

Repair an open in the wire between the appropriate damper coil and the active damper control unit, then go to step 16.

15. Check for continuity between appropriate damper coil 2P connector terminals No. 1 and No. 2 (see table).

Is there continuity?

YES -

Repair a short in the wires between the appropriate damper coil and the active damper control unit, then go to step 16.

NO -

Replace the appropriate damper unit: Front See: Steering and Suspension/Suspension/Suspension Spring ( Coil / Leaf )/Service and

Repair/Removal and Replacement/Front Damper/Spring Removal/Installation, rear See: Steering and Suspension/Suspension/Suspension Strut /

Shock Absorber/Service and Repair/Removal and Replacement/Rear Damper Replacement, then go to step 16.

16. Reconnect all connectors.

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

18. Clear the DTC with the HDS.

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

20. Start the engine.

21. Do the DAMPER FORCE OPERATION TEST in the FUNCTIONAL TESTS MENU with the HDS.

22. Check for DTCs with the HDS.

Is any DTC indicated?

YES -

Go to the indicated DTC's troubleshooting.

NO -

Troubleshooting is complete.?

6-9

Active Damper System DTC Troubleshooting: 6-9

2010 Acura Truck MDX V6-3.7L Page 433

Go to step 15.

NO -

Replace the floor wire harness, then clear the DTC.?

15. Substitute a known-good side impact sensor.

16. Exchange the left side impact sensor (second) for the impact sensor prepared in step 15.

17. Reconnect the negative cable to the battery.

18. Clear the DTCs with the HDS.

19. Turn the ignition switch to ON (II), then wait for 10 seconds.

20. Check for DTCs with the HDS.

Is DTC 45-11 indicated?

YES -

Go to step 21.

NO -

Faulty left side impact sensor (second); replace the left side impact sensor (second) See: Restraints and Safety Systems/Air Bag Systems/Impact

Sensor/Service and Repair/Side Impact Sensor (Second) Replacement, then clear the DTC.?

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

22. Disconnect the negative cable from the battery, then wait at least 3 minutes.

23. Return the impact sensor which was replaced in step 16.

24. Substitute a known-good side impact sensor.

25. Exchange the left side impact sensor (first) for the impact sensor prepared in step 24.

26. Reconnect the negative cable to the battery.

27. Clear the DTCs with the HDS.

28. Turn the ignition switch to ON (II), then wait for 10 seconds.

29. Check for DTCs with the HDS.

Is DTC 45-11 indicated?

YES -

Go to step 30.

NO -

Faulty left side impact sensor (first); replace the left side impact sensor (first) See: Restraints and Safety Systems/Air Bag Systems/Impact

Sensor/Service and Repair/Side Impact Sensor (First) Replacement, then clear the DTC.?

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

31. Disconnect the negative cable from the battery, then wait at least 3 minutes.

32. Disconnect SRS unit connector B (39P) from the SRS unit.

33. Disconnect the floor wire harness 4P connector from the left side impact sensor (first) See: Restraints and Safety Systems/Air Bag

Systems/Impact Sensor/Service and Repair/Side Impact Sensor (First) Replacement.

34. Disconnect the floor wire harness 2P connector from the left side impact sensor (second) See: Restraints and Safety Systems/Air Bag

Systems/Impact Sensor/Service and Repair/Side Impact Sensor (Second) Replacement.

35. Measure the resistance between floor wire harness 2P connector (left side impact sensor (second)) terminals No. 1 and No. 2. There should

be an open circuit or at least 1 MOhms.

2010 Acura Truck MDX V6-3.7L Page 169

Go to step 15.

NO -

Repair an open in the wire between the appropriate damper coil and the active damper control unit, then go to step 16.

15. Check for continuity between appropriate damper coil 2P connector terminals No. 1 and No. 2 (see table).

Is there continuity?

YES -

Repair a short in the wires between the appropriate damper coil and the active damper control unit, then go to step 16.

NO -

Replace the appropriate damper unit: Front See: Steering and Suspension/Suspension/Suspension Spring ( Coil / Leaf )/Service and

Repair/Removal and Replacement/Front Damper/Spring Removal/Installation, rear See: Steering and Suspension/Suspension/Suspension Strut /

Shock Absorber/Service and Repair/Removal and Replacement/Rear Damper Replacement, then go to step 16.

16. Reconnect all connectors.

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

18. Clear the DTC with the HDS.

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

20. Start the engine.

21. Do the DAMPER FORCE OPERATION TEST in the FUNCTIONAL TESTS MENU with the HDS.

22. Check for DTCs with the HDS.

Is any DTC indicated?

YES -

Go to the indicated DTC's troubleshooting.

NO -

Troubleshooting is complete.?

6-6

Active Damper System DTC Troubleshooting: 6-5, 6-6, 6-7, 6-8