Shutter Valve Actuator Check
WARNING: This page is about a different car, the 2001 Mazda Protege, 2001 Mazda Millenia, 2001 Mazda MX-5 Miata, 2001 Mazda MPV, and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect vacuum hose from actuator. Connect a vacuum pump to actuator. Watch actuator rod and apply vacuum to actuator. See SHUTTER VALVE ACTUATOR CHECK table. If actuator does not operate as specified, replace actuator. If system is not working properly but actuator is okay, check vacuum lines.
SHUTTER VALVE ACTUATOR CHECK
| Application/Vacuum - in. Hg (kPa) | Actuator Rod Position | |
|---|---|---|
| Protege 1.6L | ||
| Less Than -0.35 (-1.2) | Extended | |
| -1.1 To -8.2 (-3.6 To -28) | Moving | |
| More Than -8.2 (-28) | Retracted | |
| Protege 2.0L | ||
| Less Than -.80 (-2.7) | Extended | |
| -2.4 To -10.4 (-8.0 To -35) | Moving | |
| More Than -10.4 (-35) | Retracted | |
| 626 2.0L | ||
| Less Than -0.39 (-1.3) | Extended | |
| -0.40 to -1.2 (-1.3 to -4) | Moving | |
| More Than -7.5 (-25.3) | Retracted | |
NOTE:
Perform VTCS solenoid check only when directed by SELF-DIAGNOSTICS testing.