VAD Shutter Valve Operation
- If the shutter valve operation is not as specified, inspect the following:
- (1) Verify that DTC P1410 is not displayed.
- If DTC P1410 is displayed, perform DTC inspection. (See DTC TABLE .)
- (2) Inspect VAD control solenoid valve. (See
VARIABLE AIR DUCT (VAD) CONTROL SOLENOID VALVE INSPECTION
.)
- If the VAD control solenoid valve is not okay, replace VAD control solenoid valve.
- If the VAD control solenoid valve is okay, inspect the following:
- Vacuum hose looseness or damage
- Vacuum chamber crack or damage
- Shutter valve actuator. (See VARIABLE AIR DUCT (VAD) SHUTTER VALVE INSPECTION .)
- Shutter valve stuck open or close