Variable Tumble Control System (VTCS) Shutter Valve Actuator Inspection
WARNING: This page is about a different car, the 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, 2003 Mazda MPV, and 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Remove intake-air hose. Disconnect vacuum hose from variable tumble control solenoid valve. Connect a vacuum pump to VTCS shutter valve actuator. Apply vacuum and verify VTCS shutter valve actuator rod moves. See VTCS SHUTTER VALVE VACUUM APPLICATION - MAZDA6 (2.3L) .
VTCS SHUTTER VALVE VACUUM APPLICATION - MAZDA6 (2.3L)
| Vacuum (in. Hg) | Rod Movement |
|---|---|
| More Than -9.9 | Fully Pulled |
| Less Than -0.7 | Starts To Move |