1.CHECK AIR CUT SOLENOID VALVE

1. Turn ignition switch OFF.
2. Disconnect air cut solenoid valve harness connector.
3. Disconnect hoses connected to air cut solenoid valve.
4. Check air passage continuity of air cut solenoid valve under the following conditions.

   Condition | Air passage continuity between (A) and (B)
   12 V direct current supply between terminals 1 and 2 | Existed
   No supply | Not existed

Is the inspection result normal?
YES>>INSPECTION END
NO>>Replace malfunctioning air cut solenoid valve.