Sunday, February 9, 2020

2010 Acura Truck MDX V6-3.7L Page 56


Is there any voltage?



YES -



Repair a short to power in the wire between the climate control unit and the rear air mix control motor. This short may also damage the climate



control unit. Repair a short to power before replacing the climate control unit.?



NO -



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.?



13. Turn the ignition switch to LOCK (0), and disconnect climate control unit connector A (40P).



14. Disconnect these items:



- Driver's air mix control motor



- Passenger's air mix control motor



- Rear air mix control motor



- Humidity/in-car temperature sensor



- A/C pressure sensor



15. Check for continuity between climate control unit connector A (40P) terminal No. 6 and body ground.



Is there continuity?



YES -



Repair a short to body ground in the wire.?



NO -



Go to step 16.



16. Turn the ignition switch to ON (II), and measure the voltage between the same terminal and body ground.

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