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Home >> Lexus >> 2008 >> LX 570 V8-5.7L (3UR-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Component Tests and General Diagnostics >> Air Conditioning System >> Actuator Check

Actuator Check









HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: ACTUATOR CHECK

1. ACTUATOR CHECK






(a) Turn the engine switch on (IG) while pressing the A/C control AUTO switch and recirculation/fresh switch simultaneously.





(b) Press the recirculation/fresh switch.

(c) By performing the actuator check, each damper, motor, and relay are automatically operated at 1 second intervals in a continuous cycle from step No. 1 to No. 10. During this operation, check the temperature and airflow indicated on the display as well as by hand.
HINT:
- If a slower display is desired, press the driver temperature up switch to stop the automatic display. The display changes to step operation display mode which allows the display to be changed 1 step for each press of the switch.
- The buzzer sounds when the display code changes.
- Codes are displayed from smaller to larger numbers in order.
- To cancel the check mode, press the OFF switch.

Front Air Conditioning Unit





Rear Air Conditioning Unit