Thursday, February 6, 2020

2010 Acura Truck MDX V6-3.7L Page 50


6. Disconnect the sunlight sensor 5P connector.



7. Disconnect climate control unit connector A (40P).



8. Check for continuity between climate control unit connector A (40P) terminal No. 29 and body ground.



Is there continuity?



YES -



Repair a short to body ground in the wire between the climate control unit and the sunlight sensor.?



NO -



Go to step 9.



9. Check for continuity between climate control unit connector A (40P) terminals No. 8 and No. 29.



Is there continuity?



YES -



Repair a short in the wires between the climate control unit and the sunlight sensor.?



NO -



Go to step 10.



10. Reconnect the sunlight sensor 5P connector.



11. Reconnect climate control unit connector A (40P).



12. Test the sunlight sensor See: Heating and Air Conditioning/Testing and Inspection/Component Tests and General Diagnostics/Sunlight



Sensor Test.



Is the sunlight sensor OK?



YES -



Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit See:



Heating and Air Conditioning/Control Assembly/Service and Repair/Climate Control Unit Removal/Installation.?



NO -



Replace the sunlight sensor See: Heating and Air Conditioning/Sensors and Switches - HVAC/Solar Sensor/Service and Repair.?

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