VACUUM SWITCHING VALVE (for Engine Mounting) INSPECTION


  1. INSPECT DUTY VACUUM SWITCHING VALVE (OPERATION)


    1. A017G1YE04

      Check the operation of the duty vacuum switching valve when positive battery voltage is applied to its terminals.

      Positive battery voltage is not applied
      The air from pipe G is flowing out through pipes E and H.
      Positive battery voltage is applied
      The air from pipe F is flowing out through pipes E and H.

  2. INSPECT DUTY VACUUM SWITCHING VALVE (RESISTANCE)


    1. A017EYPE01

      Measure the resistance according to the value(s) in the table below.

      Standard resistance
      Tester Connection Condition Specified Condition
      1 - 2 20°C (68°F) 19 to 21 Ω

      If the resistance is not as specified, replace the duty vacuum switching valve.