mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Variable Induction Control Actuator|Service and Repair > < Before Repair Procedure|Page 1900
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Variable Induction Control Actuator: Testing and Inspection

VARIABLE TUMBLE CONTROL SYSTEM (VTCS) SHUTTER VALVE ACTUATOR INSPECTION

NOTE:  Perform the following test only when directed.

1. Disconnect the vacuum hose from the VTCS shutter valve actuator.

2. Connect a vacuum pump to the VTCS shutter valve actuator.
3. Apply vacuum slowly and inspect the rod movement of the VTCS shutter valve actuator under the following conditions:

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If not as specified, replace the VTCS shutter valve actuator. (See VARIABLE TUMBLE CONTROL SYSTEM (VTCS) SHUTTER VALVE
ACTUATOR REMOVAL/INSTALLATION.)

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If as specified but the Simulation Test failed, inspect for the following:
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Vacuum hose improper routing, kinks or leakage.

Variable Induction Control Actuator|Service and Repair > < Before Repair Procedure|Page 1900