Component Inspection

Component Inspection

Check intake actuator.
1. Check actuator motor
(1) Ignition "OFF".
(2) Disconnect intake actuator.
(3) Connect (+) terminal of battery to terminal 3 of intake actuator and (-) terminal to terminal 4
(4) Verify that the actuator operates to the FRE position
(5) Verify that the temperature actuator operates to the REC position with reverse connecting. ( (+) to 4 and (-) to 3)




(6) Dose the actuator work properly ?





2. Check actuator potentiometer.
(1) Ignition "ON".
(2) Connect intake actuator.
(3) Measure voltage between terminal "5" and "6"of passenger air mix actuator while operating the intake switch.

Specification : Refer the specifications in fig 3)




Fig.3)





Fig.3) Specifications : Voltage value of intake potentiometer as a function of intake door position.
(4) Is the measured voltage within specifications in fig 3) ?





Check A/C Control Unit
1. Engine "ON".
2. Connect A/C Control Unit.
3. Measure voltage between terminal "22" and "23" of A/C Control Unit while operating the Intake switch.

Specification : Approx. 12V




4. Is the measured voltage within specifications ?