Tuesday, April 7, 2020

2010 Acura Truck MDX V6-3.7L Page 180


Active Damper Control Unit Power Source Circuit (+B) Low Voltage



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 6-9 indicated?



YES -



Go to step 6.



NO -



Intermittent failure, the system is OK at this time. Check for poor or loose connections between the main under-hood fuse box and the active



damper control unit. Check for a loose or poor ground at G302 and G401.?



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



7. Check the No. 7 (30 A) fuse in the main under-hood fuse box.



Is the fuse blown?



YES -



Remove the fuse, then go to step 8.



NO -



Reinstall the fuse, then go to step 11.



8. Disconnect active damper system control unit connector A (20P) See: Relays and Modules/Relays and Modules - Steering and



Suspension/Relays and Modules - Suspension/Suspension Control Module/Service and Repair.



9. Check for continuity between body ground and active damper system control unit connector A (20P) terminal No. 10.



Is there continuity?



YES -



Repair a short to body ground in the wire between the No. 7 (30 A) fuse in the main under-hood fuse box and the active damper system control



unit.?



NO -



Install a new No. 7 (30 A) fuse in the main under-hood fuse box, then go to step 10.



10. Reconnect active damper system control unit connector A (20P).



11. Measure the voltage between active damper control unit connector A (20P) terminals No. 10 and No. 18.