CLEARANCE SONAR MAIN SWITCH INSPECTION


  1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH

    A01DPFAE04
    Text in Illustration
    *a

    Component without harness connected

    (Back Sonar or Clearance Sonar Switch)

    1. Check the resistance.


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

        Standard Resistance
        Tester Connection Switch Condition Specified Condition
        3 (ECU) - 6 (IG) Sonar switch off 10 kΩ or higher
        Sonar switch on Below 1 Ω

    2. Inspect the indicator operation.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 3 (ECU)

      Battery negative (-) → Terminal 7 (IND)

      		 LED illuminates

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

    3. Inspect the illumination operation.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 5 (ILL+)

      Battery negative (-) → Terminal 4 (ILL-)

      		 LED illuminates

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