Variable Tumble Control Operation Inspection

Inspect rod operation under the following conditions:

ROD OPERATION

Accelerator pedal position	Release	Depress
Shutter valve actuator	Operate	Not operate

Verify that DTC No. P2004, P2006, P2009 or P2010 is not displayed.
- If DTC No. P2004, P2006, P2009 or P2010 are shown, perform DTC inspection. (See DTC P2004 [LF] .) (See DTC P2006 [LF] .) (See DTC P2009 [LF] .) (See DTC P2010 [LF] .)
Inspect the variable tumble solenoid valve. (See VARIABLE TUMBLE SOLENOID VALVE INSPECTION [LF] .)
- If the variable tumble solenoid valve is not normal, replace the variable tumble solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [LF] .)
- If the variable tumble solenoid valve is normal, inspect the following:
  - Vacuum hose and vacuum chamber for looseness or damage
  - Shutter valve actuator (See VARIABLE TUMBLE SOLENOID VALVE INSPECTION [LF] .)
  - Shutter valve stuck open or closed