Thursday, September 17, 2020

2010 Acura Truck MDX V6-3.7L Page 170


Is there continuity?



YES -



Repair a short to ground in the wire.?



NO -



Check for No. 6 (20 A) fuse in the rear fuse/relay box. If the fuse is OK, check for an open in the wire between the rear fuse/relay box and power



tailgate control unit.?



B1575



DTC Troubleshooting: B1575



DTC B1575:



Automatic Lighting Sensor Circuit Malfunction



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.



1. Clear the DTCs with the HDS.



2. Turn the ignition switch to LOCK (0) and then back to ON (II).



3. Check for DTCs with the HDS.



Is DTC B1575 indicated?



YES -



Go to step 4.



NO -



Intermittent failure, the system is OK at this time. Check for loose or poor connections between the automatic lighting sensor and the MICU.?



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



5. Disconnect under-dash fuse/relay box connector P (30P).



6. Disconnect the automatic lighting sensor 5P connector.



7. Disconnect gauge control module connector A (12P).



8. Check for continuity between under-dash fuse/relay box connector P (30P) terminals No. 14, No. 27, and No. 30 and the automatic



lighting sensor 5P connector terminals No. 1, No. 3, and No. 5 respectively.