Temperature Control Actuator

Temperature Control Actuator Inspection

1. Remove temperature control actuator from heater unit.




2. Connect connector to temperature control actuator (1).




3. Set temperature selector of HVAC control module to MAX HOT position with ignition switch ON, and make sure if the position of actuator lever is MAX HOT position (A).
4. Turn ignition switch OFF, and then disconnect connector from temperature control actuator.
5. Measure resistance between terminal "1" and "3".

Temperature control actuator resistance between terminal "1" and "3" (MAX HOT position): Approximately 4.8 - 6.0 kilo ohm.

6. Connect connector to temperature control actuator.




7. Set temperature selector of HVAC control module to MAX COOL position with ignition switch ON, and make sure if the position of actuator lever is MAX COOL position (B).
8. Turn ignition switch OFF, and then disconnect connector from temperature control actuator.
9. Measure resistance between terminal "1" and "3".

Temperature control actuator resistance between terminal "1" and "3" (MAX COOL position): Approximately 1.2 kilo ohm.

If check result is not satisfactory, replace the actuator with new one.