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Home >> Mazda >> 2000 >> Protege DX L4-1.6L DOHC >> Repair and Diagnosis >> Powertrain Management >> Fuel Delivery and Air Induction >> Variable Induction System >> Variable Induction Control Actuator >> Testing and Inspection
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Variable Induction Control Actuator: Testing and Inspection

VARIABLE TUMBLE CONTROL SYSTEM (VTCS) SHUTTER VALVE ACTUATOR INSPECTION [ZM]
Operating Inspection

Note: Perform the following test only as directed.

1. Carry out the "VTCS Operation Inspection". Refer to Powertrain Management; Testing and Inspection
- If not as specified, perform the further inspection for the VTCS shutter valve actuator inspection.
2. Disconnect the vacuum hose from the VTCS shutter valve actuator.
3. Connect a vacuum pump to the VTCS shutter valve actuator.





4. Apply pressure slowly and inspect the rod movement of the VTCS shutter valve actuator under the following condition.
- If not as specified, replace the VTCS shutter valve actuator.
- If as specified, but "VTCS Operation Inspection" is failed, inspect the vacuum hoses for improper routing, kinks or leakage, and inspect for the following:
5. Disconnect the vacuum pump to the VTCS shutter valve actuator.
6. Reconnect the vacuum hose from the VTCS shutter valve actuator.
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