Operation CHARM: Car repair manuals for everyone.
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Variable Intake Air System Operation Inspection

Variable Intake Air System Operation Inspection

1. Start the engine.




2. Inspect the rod operation under the shown condition
- If the rod operation is not as specified, inspect as follows:

1. Stop the engine.
2. Connect WDS or equivalent to the DLC-2.
3. Verify that DTC P0661 or P0662 is not displayed.
- If DTC P0661 or P0662 is shown, perform DTC inspection.

4. Inspect Variable intake air system control solenoid valve
- If the Variable intake air solenoid valve is not okay, replace Variable intake air solenoid valve.
- If the Variable intake air solenoid valve is okay, inspect the following:
- Vacuum hose and vacuum chamber for looseness or damage
- Shutter valve actuator
- Shutter valve stuck open or closed