Showing posts with label original VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control. Show all posts
Showing posts with label original VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control. Show all posts

Saturday, April 11, 2020

2010 Acura Truck MDX V6-3.7L Page 266


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.?



13-3x



SWS DTC Troubleshooting: 13-3x



DTC 13-3x ("x" can be 0 thru 9 or A thru F):



Faulty Inner 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 82-13 See: 82-13.



Adaptive Cruise Control



Adaptive Cruise Control (ACC) DTC Troubleshooting: 14



DTC 14:



Right Front Wheel Speed Sensor Signal Error



NOTE: If DTC 112 is stored at the same time as DTC 14, troubleshoot DTC 112 first, then recheck for DTC 14.



1. Check for VSA system DTCs with the HDS.



Are any DTCs indicated?



YES -



Troubleshoot the indicated VSA system DTC(s).?



NO -



Go to step 2.



2. Clear the DTCs with the HDS.



3. Test-drive the vehicle at 25 mph (40 km/h) or more with the adaptive cruise control (ACC) activated.



4. Check for DTCs with the HDS.



Is DTC 14 indicated?



YES -



Go to step 5.



NO -



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



5. Check for VSA system DTCs with the HDS.



Are any DTCs indicated?



YES -



Troubleshoot the indicated VSA system DTC(s).?



NO -



Go to step 6.



6. Test-drive the vehicle, and check the right front wheel speed signal (RF WHEEL SPD) with the HDS.



Is there 0 mph (0 km/h)?

Sunday, March 29, 2020

2010 Acura Truck MDX V6-3.7L Page 738


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.?



124



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.?



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.?



131



VSA DTC Troubleshooting: 131



DTC 131:



Yaw Rate Sensor Malfunction



NOTE:



- Driving on an extremely angled road can cause this DTC.



- 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. Check for DTCs with the HDS.

Sunday, February 23, 2020

2010 Acura Truck MDX V6-3.7L Page 208


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.?



11-Ax



SRS DTC Troubleshooting: 11-8x, 11-Ax



DTC 11-8x ("x" can be 0 thru 9 or A thru F):



Short to Power in the Driver's Airbag First Inflator



DTC 11-Ax ("x" can be 0 thru 9 or A thru F):



Short to Power in the Driver's Airbag Second Inflator



Special Tools Required



- SRS Inflator Simulator 07SAZ-TB4011A



- SRS Simulator Lead J 070AZ-SNAA100



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 11-8x or 11-Ax 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 access panel (A) from the steering wheel, then disconnect the driver's airbag 4P connector (B) from the cable reel.



7. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead J to the cable reel.