Air Mix Control Motor Test
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2014 Honda Ridgeline, 2013 Honda Ridgeline, 2012 Honda Ridgeline, 2011 Honda Ridgeline, and 2010 Honda Ridgeline. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before testing, check for HVAC DTCs (see
GENERAL TROUBLESHOOTING INFORMATION ).
- Disconnect the 7P connector from the air mix control motor.NOTE: Incorrectly applying power and ground to the air mix control motor will damage it. Follow the instructions carefully.
- Connect battery power to terminal No. 1 of the air mix control motor, and ground terminal No. 2; the air mix control motor should run, and stop at Max Cool. If it doesn't, reverse the connections; the air mix control motor should run, and stop at Max Hot. When the air mix control motor stops running, disconnect battery power immediately.
- If the air mix control motor did not run in step 2, remove it, then check the air mix control linkage and door for smooth movement.
- If the linkage and door move smoothly, replace the air mix control motor (see AIR MIX CONTROL MOTOR TEST ).
- If the linkage or door sticks or binds, repair them as needed.
- If the air mix control motor runs smoothly, Go to step 4.
- Measure the resistance between terminal No. 5 and No. 7 of the air mix control motor. It should be between 4.2 and 7.8 kΩ.
- Reconnect the air mix control motor 7P connector, then turn the ignition switch ON (II).
- Using the backprobe set, measure the voltage between terminals No. 3 and No. 5.
Max Cool: About 0.5 V
Max Hot: About 4.5 V
- If either the resistance or the voltage readings are not as specified, replace the air mix control motor (see AIR MIX CONTROL MOTOR TEST ).