2010 Acura Truck MDX V6-3.7L Page 167

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

3. Clear the DTCs with the HDS.

4. Listen for the sound of the latch releasing.

Is there sound?

YES -

Go to step 5.

NO -

Go to step 7.

5. Check for DTCs with the HDS.

Is DTC B1390 indicated?

YES -

Go to step 6.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections between the power tailgate control unit and the closer

motor.?

6. Check for DTCs with the HDS.

Are DTCs B1380, B1381, B1382, B1383, and/or B1384 also indicated?

YES -

Go to the indicated DTCs troubleshooting.?

NO -

Replace the power tailgate control unit and recheck the system.?

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

8. Open the tailgate.

9. Disconnect the 2P connector from the power tailgate closer motor.

10. Disconnect power tailgate control unit connector B (20P).

11. Check for continuity between power tailgate control unit connector B (20P) terminals No. 1 and No. 2 and power tailgate closer motor 2P

connector terminals No. 1 and No. 2 respectively.

2010 Acura Truck MDX V6-3.7L Page 5

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

3. Do the self-diagnostic function with the HDS or the climate control unit.

4. Check for DTCs.

Is DTC B2967 or A and WINDSHIELD DEFROST indicated?

YES -

Go to step 5.

NO -

Intermittent failure, check for loose wires or poor connections in the humidity sensor circuit.?

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

6. Remove the humidity/in-car temperature sensor See: Heating and Air Conditioning/Cabin Temperature Sensor / Switch/Service and Repair,

and test it See: Heating and Air Conditioning/Testing and Inspection/Component Tests and General Diagnostics/Humidity/In-Car

Temperature Sensor Test.

Is the humidity sensor OK?

YES -

Go to step 7.

NO -

Replace the humidity/in-car temperature sensor See: Heating and Air Conditioning/Cabin Temperature Sensor / Switch/Service and Repair.?

7. Disconnect the humidity/in-car temperature sensor 4P connector.

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

9. Check for continuity between the following terminals of climate control unit connector A (40P) and the humidity/in-car temperature sensor

4P connector.

Is there continuity?

YES -

Check for loose wires or poor connections at climate control unit connector A (40P) and at the humidity/in-car temperature sensor 4P connector.

If the connections are good, 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 -

Repair an open in the wire(s) between the climate control unit and the humidity sensor.?