Shutter Valve Actuator Check
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 (PROTEGE 1.6L)
| Vacuum in. Hg (kPa) | Actuator |
|---|---|
| Less than -20 (-6.7) | Extended |
| -20 (-6.7) | Moving |
| -29 (-8.6) | Retracted |
NOTE:
Perform VTCS solenoid check only when directed by SELF-DIAGNOSTICS testing.