1.Before inspection, set the vehicle to the pre-inspection condition.
2.Turn the ignition switch to the "LOCK" (OFF) position and then connect the M.U.T.-III to the diagnosis connector (Refer to GROUP 00 - Precautions Before Service - M.U.T.-III Sub Assembly ).

3.Disconnect the ventilation hose from the positive crankcase ventilation (PCV) valve, and then connect a vacuum gauge to the ventilation hose. Plug the PCV valve.
4.Start the engine and check that idle speed is approximately 650 r/min.
5.Check the inlet manifold vacuum.
Limit: Minimum 60 kPa
6.Turn the ignition switch to the "LOCK" (OFF) position.
7.Remove the vacuum gauge and then connect the ventilation hose to the PCV valve.
8.Disconnect the M.U.T.-III.