Variable Tumble System Operation Inspection
Variable Tumble System Operation Inspection1. Connect the WDS or equivalent to the DLC-2.
2. Access ECT PID.
3. Verify that ECT PID is below 60 °C {140 °F}.
4. Start the engine.
5. Inspect rod operation under the shown conditions:
- If the rod operation is not specified, inspect as follows:
1. Verify that DTC No. P2004, P2006, P2009 or P2010 is not displayed.
- If DTC No. P2009 or P2010 are shown, perform DTC inspection.
2. Inspect Variable tumble solenoid valve.
- If the Variable tumble solenoid valve is not okay, replace Variable tumble solenoid valve.
- If the Variable tumble 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