Saturday, September 5, 2020

2010 Acura Truck MDX V6-3.7L Page 262


Is there continuity?



YES -



Repair a short to ground in the wire.?



NO -



Replace the front passenger's power window motor.?



B2179



DTC Troubleshooting: B2179



DTC B2179:



Driver's Door Key Cylinder Switch LOCK/UNLOCK Signal Error



NOTE:



- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain



Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General



Diagnostics/Troubleshooting - B-CAN System Diagnosis Test Mode A.



- Two ignition keys are required to do this troubleshooting.



1. Clear the DTCs with the HDS.



2. With one ignition key; turn the ignition switch to LOCK (0) and then back to ON (II).



3. With the second key; turn the driver's door key cylinder to the LOCK and UNLOCK positions 10 times.



4. Check for DTCs with the HDS.



Is DTC B2179 indicated?



YES -



Go to step 5.



NO -



Intermittent failure, the driver's door key cylinder switch system is OK at this time. Check for loose or poor connections between the driver's MPCS



unit and the driver's door lock actuator.?



5. With the driver's door key cylinder switch in neutral position, select DOOR LOCK from the BODY ELECTRICAL SYSTEM SELECT



menu, and enter the DATA LIST.



6. Check the ON/OFF Information of the Driver's Door Key Cylinder Switch (LOCK) and Driver's Door Key Cylinder Switch (UNLOCK) in



the DATA LIST.



Are both information indicators OFF?