Clearance Sonar Main Switch Inspection

Audio Visual Telematics. Land Cruiser. Urj200, 202 Grj200 Vdj200
Park Assist Monitoring. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY

Clearance Sonar Main Switch -- Inspection



1. INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Park Assist Monitoring.Toyota Parking Assist-Sensor System.Clearance Sonar Main Switch  Inspection
  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Switch Condition
    Specified Condition
    3 (IG) - 6 (ECU)
    Back sonar or clearance sonar switch assembly on
    Below 1 Ω
    3 (IG) - 6 (ECU)
    Back sonar or clearance sonar switch assembly off
    10 kΩ or higher
    Text in Illustration
    *a
    Component without harness connected
    (Back Sonar or Clearance Sonar Switch assembly)
    If the result is not as specified, replace the back sonar or clearance sonar switch assembly.
  1. Check that the switch indicator.

    1. Apply battery voltage to the blind spot monitor main switch (integration control and panel assembly) and check the operation of the switch as shown in the table below.

      OK:
      Tester Connection
      Specified Condition
      Battery positive (+) → Terminal 3 (IG)
      Battery negative (-) → Terminal 7 (IND)
      Illuminates
  1. Check that the switch illuminates.

    1. Apply battery voltage to the back sonar or clearance sonar switch assembly and check that the switch illuminates.

      OK:
      Tester Connection
      Specified Condition
      Battery positive (+) → Terminal 5 (ILL+)
      Battery negative (-) → Terminal 4 (ILL-)
      Illuminates
      If the result is not as specified, replace the back sonar or clearance sonar switch assembly.