Air Control Valve (ACV) Circuit For Supercharger

ACV Circuit (for supercharger)

CIRCUIT DESCRIPTION
According to the signals received from the ECM, the ACV (Air Control Valve) maintains the pressure at the supercharger front and rear bearings as close to atmospheric as possible. This prevents the bearing grease and oil leaking out due to pressure fluctuation inside the supercharger housing.





WIRING DIAGRAM

INSPECTION PROCEDURE

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TOYOTA hand-held tester

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OBD II scan tool (excluding TOYOTA hand-held tester)