Mode Door Motor Circuit

SYMPTOM:
- Air outlet does not change.
- Mode door motor does not operate normally.

Inspection Flow:

SYSTEM DESCRIPTION







Mode Door Motor
The mode door motor is installed on the heater unit. Using a link it operates the mode door. When the air control dial is turned to each position, the mode door motor moves the mode door to control air flow direction.

DIAGNOSTIC PROCEDURE




SYMPTOM: Mode door motor does not operate normally.

Step 1:

Step 2 - 3:

MODE DOOR
1. Install mode door motor on heater unit. Ensure that the linkage is properly attached.
2. Connect mode door motor harness connector.
3. Turn ignition switch ON.
4. Check that the mode door operates properly when air control dial is turned to each position.