Tuesday, June 9, 2020

2010 Acura Truck MDX V6-3.7L Page 736


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), then turn it to ON (II) again.



4. Check for DTCs with the HDS.



Is DTC 121, 122, 123, or 124 indicated?



YES -



Go to step 5.



NO -



Intermittent failure, the system is OK at this time. Check for a loose connection at G303.?



5. Update the VSA modulator-control unit if it does not have the latest software See: Brakes and Traction Control/Antilock Brakes / Traction



Control Systems/Traction Control Module/Testing and Inspection. If the unit already has the latest software, substitute a known-good VSA



modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control Module/Service and



Repair.



6. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.



7. Check for DTCs with the HDS.



Is DTC 121,122, 123, or 124 indicated?



YES -



Check for loose terminals in the VSA modulator-control unit 46P connector. Check for a loose connection at G303. If the VSA modulator-control



unit was updated, substitute a known-good VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control



Systems/Traction Control Module/Service and Repair, then retest. If the VSA modulator-control unit was substituted, go to step 1.



NO -



If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the



original VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control



Module/Service and Repair. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.?



122



VSA DTC Troubleshooting: 121, 122, 123, 124



DTC 121, 122, 123, 124:



VSA Solenoid Valve 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), then turn it to ON (II) again.



4. Check for DTCs with the HDS.



Is DTC 121, 122, 123, or 124 indicated?



YES -



Go to step 5.



NO -



Intermittent failure, the system is OK at this time. Check for a loose connection at G303.?