Variable Intake-Air Control Operation Inspection
VARIABLE INTAKE-AIR CONTROL OPERATION INSPECTION1. Start the engine.
2. Inspect the rod operation under the following condition:
- If the rod operation is not as specified, inspect as follows:
1. Stop the engine.
2. Connect the 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 the variable intake-air solenoid valve.
- If the variable intake-air solenoid valve is not normal, replace the variable intake-air solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
- If the variable intake-air solenoid valve is normal, inspect the following:
- Vacuum hose and vacuum chamber for looseness or damage
- Shutter valve actuator
(See VARIABLE INTAKE-AIR SHUTTER VALVE ACTUATOR INSPECTION.)
- Shutter valve stuck open or closed