CLEARANCE SONAR MAIN SWITCH INSPECTION


  1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY


    1. A003TG1E04
      Text in Illustration
      *a

      Component without harness connected

      (Back Sonar or Clearance Sonar Switch Assembly)

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

      Resistance
      Tester Connection Switch Condition Specified Condition
      6 (IG) - 3 (ECU) Back sonar or clearance sonar switch assembly pressed Below 1 Ω
      6 (IG) - 3 (ECU) Back sonar or clearance sonar switch assembly not pressed 10 kΩ or higher

      If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

    2. Check the indicator light


      1. A003TEAE04
        Text in Illustration
        *a

        Component without harness connected

        (Back Sonar or Clearance Sonar Switch Assembly)

        Connect a positive (+) lead to terminal 6(IG) and a negative (-) lead to terminal 7(E) of the back sonar or clearance sonar switch assembly connector.

      2. Check that the switch illumination comes on.

        OK
        The back sonar or clearance sonar switch indicator light comes on.

        If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

    3. Check the illumination


      1. A003TEAE03
        Text in Illustration
        *a

        Component without harness connected

        (Back Sonar or Clearance Sonar Switch Assembly)

        Connect a positive (+) lead to terminal 5(ILL+) and a negative (-) lead to terminal 4(ILL-) of the back sonar or clearance sonar switch assembly connector.

      2. Check that the switch illumination comes on.

        OK
        The back sonar or clearance sonar switch illumination comes on.

        If the result is not as specified, replace the back sonar or clearance sonar switch assembly.