Variable Intake Air Control Operation Inspection

Inspect the rod operation under the following condition: Rod operation

Stop the engine.
Connect the M-MDS to the DLC-2.
Verify that DTC P0661:00 or P0662:00 is not displayed.
- If DTC P0661:00 or P0662:00 is shown, perform the DTC inspection. (See DTC P0661:00 .) (See DTC P0662:00 .)
Inspect the variable intake air solenoid valve. (See VARIABLE INTAKE AIR SOLENOID VALVE INSPECTION .)
- 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