Variable Dynamic Effect Intake-air (VDI) Operation Inspection
- Connect the M-MDS or equivalent to the DLC-2.
- Access the RPM PID.
- Start the engine.
- Inspect the rod operation under the following condition:
ROD OPERATION TABLE
| Engine speed | 7,250 rpm | |
|---|---|---|
| Below | Above | |
| Shutter valve actuator | Not operate | Operate |
- If the rod operation is not as specified, inspect as follows:
- Stop the engine.
- Connect the M-MDS or equivalent to the DLC-2.
- Verify that DTC P0076 or P0077 is not displayed.
- If DTC P0076 or P0077 is shown, perform DTC inspection. (See DTC TABLE )
- Inspect the VDI solenoid valve.
(See VARIABLE DYNAMIC EFFECT INTAKE-AIR (VDI) SOLENOID VALVE INSPECTION )
- If the VDI solenoid valve is not normal, replace the VDI solenoid valve.
- If the VDI solenoid valve is normal, inspect the following:
- Vacuum hose and vacuum chamber for looseness or damage
- Shutter valve actuator
(See VARIABLE DYNAMIC EFFECT INTAKE-AIR (VDI) ACTUATOR INSPECTION )
- Shutter valve stuck open or closed