Friday, May 8, 2020

2010 Acura Truck MDX V6-3.7L Page 275


NOTE: Drive the vehicle on a straight section of road, not on a lift.



31. Check for DTCs with the HDS.



Is DTC 11, 13, 15, or 17 indicated?



YES -



Check for loose terminals in the VSA modulator-control unit 46P connector. 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.?



15-1



SH AWD DTC Troubleshooting: 15-1



DTC 15-1:



Longitudinal Acceleration Sensor Malfunction



NOTE: Before you troubleshoot, review the general troubleshooting information See: Transmission and Drivetrain/Differential Assembly/Testing



and Inspection/Initial Inspection and Diagnostic Overview.



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



2. Clear the DTC with the HDS.



3. Test-drive the vehicle with an assistant. When accelerating, check the LONGITUDINAL ACCELERATION SENSOR in the DATA LIST



with the HDS.



Does the sensor value change when acceleration?



YES -



Go to step 4.



NO -



Replace the yaw rate-lateral/longitudinal acceleration sensor See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Yaw



Rate Sensor/Service and Repair.?



4. Park the vehicle on a level surface.



5. Check the LONGITUDINAL ACCELERATION SENSOR in the DATA LIST with the HDS.



Is there 0.1 G or less?



YES -



Go to step 6.



NO -



Do the yaw rate-lateral/longitudinal acceleration neutral position memorization See: Brakes and Traction Control/Antilock Brakes / Traction



Control Systems/Yaw Rate Sensor/Testing and Inspection. If the DTC returns, replace the SH-AWD control unit See: Powertrain



Management/Transmission Control Systems/Relays and Modules - Transmission and Drivetrain/Relays and Modules - Differential/Control



Unit/Service and Repair.?



6. Test-drive the vehicle for 2 minutes in a vehicle speed is kept constant at 19 mph (30 km/h).



7. Check for DTCs with the HDS.



Is DTC 15-1 indicated?