Download RX8--Engine Troubleshooting

Variable Dynamic Effect Intake-air (VDI) Operation Inspection
1. Connect the WDS or equivalent to the DLC-2.
2. Access the RPM PID.
3. Start the engine.
4. Inspect the rod operation under the following condition: Rod operation
Engine speed
7,250 rpm
Below
Above
Shutter valve actuator Not operate Operate
•
If the rod operation is not as specified, inspect as follows:
b. Stop the engine.
c. Connect the WDS or equivalent to the DLC-2.
d. Verify that DTC P0076 or P0077 is not displayed.
• If DTC P0076 or P0077 is shown, perform DTC inspection.
(See DTC TABLE .)
e.
f. 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
(w)
RX8-Engine Troubleshooting
Page 186