HVAC - Heater and Ventilation
Air Intake Control Actuator InspectionReference: Air Intake Control Actuator Removal and Installation
Check air intake control actuator as follows:
1. Using service wire, connect battery positive terminal to "d" terminal and battery negative terminal to terminal "a". And, check if air intake selector link operates smoothly and it stops at "FRE" position (1).
2. Using service wire, connect battery positive terminal to "d" terminal and battery negative terminal to terminal "c". And, check if air intake selector link operates smoothly and it stops at "REC" position (2).
3. For auto A/C model, using service wire, connect battery positive terminal to "d" terminal and battery negative terminal to "b" terminal. And, check air intake selector link operates smoothly and it stops at "MIX" position (3).
If malfunction is found, replace air intake control actuator.