Air Door Actuator / Motor: Testing and Inspection

CHECKING
1. Connect voltmeter to pin 1 (+) and pin 2 (-).
2. Inspect that voltage changes up to air mixing door position pushing temperature S/W up and down.
(COOL: 17 °C, HOT: 32 °C)

Air Mix Door:

NOTE: Cool means that the mix door is open to cool side. Of course, warm is opposite.