ZDX V6-3.7L (2010)
Air Door Actuator / Motor: Testing and Inspection
Driver's Mode Control Motor Test
Driver's Mode Control Motor Test
NOTE: Before testing the motor, check for climate control DTCs See: Testing and Inspection/Initial Inspection and Diagnostic Overview.
1. Disconnect the 7P connector from the driver's mode control motor.
NOTICE
Incorrectly applying power and ground to the driver's mode control motor will damage it. Follow the instructions carefully.
2. Connect battery power to terminal No. 1 of the driver's mode control motor, and ground terminal No. 2; the driver's mode control motor should
run, and stop at Vent. If it doesn't, reverse the connections; the driver's mode control motor should run, and stop at Defrost. When the driver's
mode control motor stops running, disconnect battery power immediately.
3. If the driver's mode control motor did not run in step 2, remove it, then check the mode control linkage and door for smooth movement.
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If the linkage and door move smoothly, replace the driver's mode control motor See: Service and Repair/Driver's Mode Control Motor
Replacement.
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If the linkage or door sticks or binds, repair them as needed.
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If the driver's mode control motor runs smoothly, go to step 4.
4. Use a digital multimeter with an output of 1 mA or less at the 20 kOhms range. Operate the driver's mode control motor as in step 2, and check for
continuity between terminals No. 3, No. 4, No. 5, and No. 6 and terminal No. 7 individually. There should be continuity for a moment at each
terminal as the motor moves through its travel.
5. If there is no continuity for a moment at each terminal, replace the driver's mode control motor See: Service and Repair/Driver's Mode Control
Motor Replacement.
