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 

Fig 1: Shutter Valve Operation

Courtesy of MAZDA MOTORS CORP.

• If the rod operation is not specified, inspect as follows:

1. Verify that DTC P0661, P0662 or P2070 is not displayed.
   • If DTC P0661, P0662 or P2070 are shown, perform DTC inspection. (See DTC TABLES .)
2. 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