VAD shutter valve operation
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
VAD SHUTTER VALVE OPERATION
| Engine speed | Above 6,000 rpm with TP_REL PID less than 60% | |
|---|---|---|
| Below | Above | |
| Shutter valve | Close | Open |
- If the shutter valve operation is not as specified, inspect the following:
- Verify that DTC P1410 is not displayed.
- If DTC P1410 is displayed, perform DTC inspection. (See DTC TABLE .)
- 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