VACUUM SWITCHING VALVE (for Engine Mounting) INSPECTION

  1. INSPECT DUTY VACUUM SWITCHING VALVE (OPERATION)

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

      A011UF4E04
      Standard Condition
      Condition Specified Condition
      Battery voltage is not applied The air from pipe G is flowing out through pipes E and H.
      Battery voltage is applied The air from pipe F is flowing out through pipes E and H.

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

  2. INSPECT DUTY VACUUM SWITCHING VALVE (RESISTANCE)

    1. 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.