Variable Tumble Control Operation Inspection
- Connect the M-MDS to the DLC-2.
- Access ECT PID.
- Verify that ECT PID is below 60°C {140°F} .
- Start the engine.
- Inspect rod operation under the following conditions:
Rod operation
ROD OPERATION REFERENCEEngine speed 3,750 rpm Below Above Shutter valve actuator Operate Not operate - If the rod operation is not specified, inspect as follows:
- 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 TABLE .)
- Inspect the variable tumble solenoid valve.
(See VARIABLE TUMBLE SOLENOID VALVE INSPECTION .)
- If the variable tumble solenoid valve is not normal, replace the variable tumble solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
- If the variable tumble solenoid valve is normal, inspect the following:
- Vacuum hose and vacuum chamber for looseness or damage
- Shutter valve actuator
- Shutter valve stuck open or closed