EGR BYPASS VALVE SWITCHING VALVE INSPECTION

PROCEDURE

  1. INSPECT EGR BYPASS VALVE SWITCHING VALVE ASSEMBLY

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      1 - 2

      23°C (73°F)

      28.3 to 31.1 Ω

      If the result is not as specified, replace the EGR bypass valve switching valve assembly.

    2. A317654E01

      Check EGR bypass valve switching valve assembly operation.

      1. Check that air does not flow from port A to port B.

        Table 1. Text in Illustration

        *a

        Air

        *b

        Port A

        *c

        Port B
    3. A317655E01

      Apply battery voltage to the terminals as shown in the illustration.

    4. Check that air flows from port A to port B.

      Table 2. Text in Illustration

      *a

      Air

      *b

      Port A

      *c

      Port B

      If the result is not as specified, replace the EGR bypass valve switching valve assembly.