Rear Vent Control Motor Test

NOTE: Before testing, check for HVAC DTCs (see GENERAL TROUBLESHOOTING INFORMATION ).

Disconnect the 5P connector from the rear vent control motor.
NOTE: Incorrectly applying power and ground to the rear vent control motor will damage it. Follow the instructions carefully.
Connect battery power to the No. 1 terminal of the rear vent control motor, and ground the No. 2 terminal; the rear vent control motor should run, and stop at Shut. If it doesn't, reverse the connections; the rear vent control motor should run, and stop at Rear Vent.

Fig 1: Identifying Rear Vent Control Motor Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the rear vent control motor did not run in step 2, remove it, then check the rear vent control linkage and door for smooth movement.
- If the linkage and door move smoothly, replace the rear vent control motor (see REAR VENT CONTROL MOTOR REPLACEMENT ).
- If the linkage or door sticks or binds, repair them as needed.