Thursday, April 23, 2020

2010 Acura Truck MDX V6-3.7L Page 706


Relearning/ODS Unit Initialization.



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



13. Check for DTCs with the HDS.



Is DTC 85-79 indicated?



YES -



Faulty ODS unit; replace the ODS unit See: Relays and Modules/Relays and Modules - Restraints and Safety Systems/Air Bag Control



Module/Service and Repair/ODS Unit Replacement, then clear the DTC, and retest. If the DTC is still present, replace the seat-back cover/pad See:



Body and Frame/Seats/Seat Cover/Service and Repair/Front Seat-Back Cover Replacement with equipped OPDS sensor, then clear the DTC.?



NO -



The system is OK.?



86



VSA DTC Troubleshooting: 86



DTC 86:



F-CAN Communication Malfunction



NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.



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 and run the engine for at least 5 seconds.



5. Check for DTCs with the HDS.



Is DTC 86 indicated?



YES -



Go to step 6.



NO -



Check the COMMU PCM, COMMU GAUGE, COMMU STEERING ANGLES, and COMMU YAW RATE/G, in the VSA FREEZE DATA with



the HDS. Then check for F-CAN communication lines continuity to the appropriate system or sensor and loose terminals in the appropriate system



or sensor connectors.?



6. Check the COMMU PCM, COMMU GAUGE, COMMU STEERING ANGLES, and COMMU YAW RATE/G, in the VSA FREEZE



DATA with the HDS.



Is there communication error in the system or sensor?



YES -



Go to step 7.



NO -



Go to step 23.



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



8. Short the SCS line with the HDS.



9. Disconnect the PCM connector A (44P) See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and



Repair.



10. Disconnect the VSA modulator-control unit 46P connector.