Mazda RX8 - Secondary Shutter Valve (SSV) Operation Inspection

Secondary Shutter Valve (SSV) Operation Inspection
1. Connect the WDS or equivalent to the DLC-2.
2. Access the RPM PID.
3. Start the engine.
4. Inspect rod operation under the following conditions: Rod operation
6,000 rpm
Engine speed
Below Above
Shutter valve actuator Not operate Operate
• If the rod operation is not specified, inspect as follows:
b. Verify that DTC P0661, P0662 or P2070 is not displayed.
• If DTC P0661, P0662 or P2070 are shown, perform DTC inspection.
(See DTC TABLE .)
c.
d. Inspect the SSV solenoid valve.
(See SECONDARY SHUTTER VALVE (SSV) SOLENOID VALVE INSPECTION .)
• If the SSV solenoid valve is not normal, replace the SSV solenoid valve.
• If the SSV solenoid valve is normal, inspect the following:
! Vacuum hose and vacuum chamber for looseness or damage
! Shutter valve actuator
(See SECONDARY SHUTTER VALVE (SSV) ACTUATOR INSPECTION .)
! Shutter valve stuck open or closed
(w) RX8-Engine Troubleshooting
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