Variable Inertia Charge System (VICS) Operation Inspection - Protege & Protege5
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.
NOTE:
Shutter valve actuator rod extends for 5 seconds after engine is started.
- Start engine, and let idle. Ensure VICS shutter valve actuator rod is pulled. See Fig 1. If actuator rod is pulled, go to next step. If actuator rod is not pulled, check following:
- Loose or damaged vacuum hose or chamber.
- VICS shutter valve actuator. See VICS SHUTTER VALVE ACTUATOR INSPECTION .
- VICS solenoid valve. See VICS SOLENOID VALVE INSPECTION .
Repair or replace vacuum hoses or components as necessary.
- Inspect shutter valve rod operation. See VICS SHUTTER VALVE ROD OPERATION (PROTEGE & PROTEGE5) table.
If shutter valve rod operation is not as specified, check following:
- VICS shutter valve actuator. See VICS SHUTTER VALVE ACTUATOR INSPECTION .
- VICS solenoid valve. See VICS SOLENOID VALVE INSPECTION .
Repair or replace vacuum hoses or components as necessary.
VICS SHUTTER VALVE ROD OPERATION (PROTEGE & PROTEGE5)
| Engine RPM | Shutter Valve Actuator |
|---|---|
| Less Than 5250 | Does Not Operate |
| More than 5250 | Operates |