HEATER SWITCH INSPECTION

PROCEDURE


  1. INSPECT HEATER SWITCH ASSEMBLY


    1. A00YAYPC02
      *a

      Component without harness connected

      (Heater Switch Assembly)

      Measure the resistance.


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        4 (IG) - 1 (IN) Heater switch assembly: On Below 1 Ω
        4 (IG) - 1 (IN) Heater switch assembly: Off 10 kΩ or higher

    2. Check the operation indicator.


      1. Turn the heater switch assembly on.

      2. Connect a positive (+) lead from the battery to terminal 4 (IG) and a negative (-) lead to terminal 5 (E), and check that the operation indicator comes on.

        OK
        Indicator comes on.

        If the result is not as specified, replace the heater switch assembly.