Tuesday, February 11, 2020

2010 Acura Truck MDX V6-3.7L Page 410


4. Start the engine.



5. Check for DTCs with the HDS.



Is DTC 41-2 indicated?



YES -



Go to step 6.



NO -



Intermittent failure, the system is OK at this time. Check for intermittent open between SH-AWD control unit connector terminals A10 and A20



and VSA modulator-control unit 46P connector terminals No. 38 and No. 39.?



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



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



8. Disconnect SH-AWD control unit connector A (20P).



9. Check for continuity between VSA modulator-control unit 46P connector terminals No. 38, No. 39 and SH-AWD control unit connector



terminals A10, A20 respectively.



Is there continuity?



YES -



Update the SH-AWD control unit if it does not have the latest software See: Powertrain Management/Transmission Control Systems/Relays and



Modules - Transmission and Drivetrain/Relays and Modules - Differential/Control Unit/Testing and Inspection/SH-AWD Control Unit Update, or



substitute a known-good 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, and recheck. If the symptom/indication goes away with the



updated SH-AWD control unit, troubleshooting is complete. If the symptom/indication goes away with a known-good SH-AWD control unit,



replace the original 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.?



NO -



Repair an open in the wires between the SH-AWD control unit and the VSA modulator-control unit.?



41-2x



SRS DTC Troubleshooting: 41-2x, 41-8x, 41-9x, 41-Ax, 41-Bx



DTC 41-2x, 41-8x, 41-9x, 41-Ax, 41-Bx ("x" can be 0 thru 9 or A thru F):



Internal Failure of the Left Front Impact Sensor



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



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



Inspection/Reading and Clearing Diagnostic Trouble Codes.

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