Showing posts with label Check for loose terminals in the VSA modulator-control unit 46P connector. If the VSA modulator-control unit was updated. Show all posts
Showing posts with label Check for loose terminals in the VSA modulator-control unit 46P connector. If the VSA modulator-control unit was updated. Show all posts

Friday, May 8, 2020

2010 Acura Truck MDX V6-3.7L Page 314


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/Testing and Inspection. If a known-good VSA modulator-control unit was substituted, replace the appropriate hub bearing unit if it has not



been replaced.



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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/Testing and Inspection. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.?



23-3x



SWS DTC Troubleshooting: 23-3x



DTC 23-3x ("x" can be 0 thru 9 or A thru F):



Faulty Outer Side Front Passenger's Weight Sensor Circuit



NOTE: Only read DTCs from the SRS menu, not from SWS menus unless instructed to check SWS DTCs. SWS (ODS unit) DTCs are subcodes of



SRS unit DTCs. Only troubleshoot the corresponding SRS DTCs. Also these SWS DTCs are cleared by turning the ignition switch to LOCK(0).



Do the troubleshooting for SRS unit DTC 83-23 See: 83-23.



Adaptive Cruise Control



Adaptive Cruise Control (ACC) DTC Troubleshooting: 24



DTC 24



Yaw Rate Sensor Diagnose Malfunction



1. Clear the DTCs with the HDS.



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



3. Check for DTCs with the HDS.



Is DTC 24 indicated?



YES -



Go to step 4.



NO -



Intermittent failure, the system is OK at this time.?



4. Check for VSA system DTCs with the HDS.



Are any DTCs indicated?



YES -



Troubleshoot the indicated VSA system DTC(s).?



NO -



Go to step 5.



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



6. Disconnect the yaw rate-lateral/longitudinal acceleration sensor 4P connector.



7. Disconnect the ACC unit 20P connector.



8. Wait for 30 seconds, then check for continuity between ACC unit 20P connector terminal No. 10 and yaw rate-lateral/longitudinal



acceleration sensor 4P connector terminal No. 3, and between ACC unit 20P connector terminal No. 20 and yaw rate-lateral/longitudinal



acceleration sensor 4P connector terminal No. 2.

Friday, March 6, 2020

2010 Acura Truck MDX V6-3.7L Page 357


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.?



33-1x



SRS DTC Troubleshooting: 33-1x, 33-2x



DTC 33-1x ("x" can be 0 thru 9 or A thru F):



Open in the Left Side Curtain Airbag Inflator



DTC 33-2x ("x" can be 0 thru 9 or A thru F):



Increased Resistance in the Left Side Curtain Airbag Inflator



Special Tools Required



- SRS Inflator Simulator 07SAZ-TB4011A



- SRS Simulator Lead L 070AZ-SNAA300



NOTE:



- Before doing this troubleshooting procedure, review SRS Precautions and Procedures See: Body and Frame/Air Bag(s) Arming and



Disarming/Service and Repair, General Troubleshooting Information See: Restraints and Safety Systems/Air Bag Systems/Testing and



Inspection/Reading and Clearing Diagnostic Trouble Codes, and Battery Terminal Disconnection and Reconnection See: Starting and



Charging/Battery/Service and Repair/Procedures.



- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS



unit software See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Programming and Relearning/SRS Unit Update,



and retest.



1. Clear the DTCs with the HDS.



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



3. Check for DTCs with the HDS.



Is DTC 33-1x or 33-2x indicated?



YES -



Go to step 4.



NO -



Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.?



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



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



6. Remove the quarter pillar trim, then disconnect the floor wire harness 2P connector (A) from the left side curtain airbag (B).