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Home >> Mazda >> 2003 >> MX-5 Miata Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls [System & Component Testing] >> Air Induction Systems >> Variable Tumble Control System - MAZDA6 (2.3L) >> Variable Tumble Control System (VTCS) Shutter Valve Actuator Inspection
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Variable Tumble Control System (VTCS) Shutter Valve Actuator Inspection

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