Mode Control Motor Test (Without Climate Control (Models With M/T))

Mode Control Motor Test

Special Tools Required

- Backprobe Set 07SAZ-001000A (2)

'08-11 models with M/T and '08-09 models 2-door with A/T

NOTE: Before testing the motor, check for HVAC DTCs How to Troubleshoot the Heating and A/C Systems (Without Climate Control).

1. Disconnect the 7P connector from the mode control motor.

NOTICE
Incorrectly applying power and ground to the mode control motor will damage it. Follow the instructions carefully.


2. Connect battery power to terminal No. 1 of the mode control motor, and ground terminal No. 2; the mode control motor should run, and stop at Defrost. If it does not, reverse the connections; the mode control motor should run, and stop at Vent. When the mode control motor stops running, disconnect battery power immediately.






3. If the mode control motor did not run in step 2 Mode Control Motor Test (Without Climate Control (Models With M/T)), remove it, then check the mode control linkage and door for smooth movement.

- If the linkage and door move smoothly, replace the mode control motor Mode Control Motor Replacement.
- If the linkage or door sticks or binds, repair them as needed.
- If the mode control motor runs smoothly, go to step 4.

4. Measure the resistance between terminals No. 5 and No. 7 of the mode control motor. It should be between 4.2 and 7.8 kOhms.

5. Reconnect the mode control motor 7P connector, then turn the ignition switch to ON (II).

6. Using the backprobe set (07SAZ-001000A), measure the voltage between terminal No. 3 and No. 7 of the 7P connector.





7. If either the resistance or the voltage readings are not as specified, replace the mode control motor Mode Control Motor Replacement.