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Home >> Lexus >> 2005 >> GX 470 >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Back Monitor System - Diagnostics >> Display Signal Circuit (To Multi-Display (CRT Display) Display) >> Inspection Procedure

Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA ECU - MULTI-DISPLAY (CRT DISPLAY) DISPLAY 
    1. Disconnect the T19 connector from the television camera ECU.
    2. Disconnect the M6 connector from the multi-display (CRT display) display.
    3. Measure the resistance according to the value(s) in TELEVISION CAMERA ECU - MULTI-DISPLAY (CRT DISPLAY) DISPLAY .

      Standard: 

      TELEVISION CAMERA ECU - MULTI-DISPLAY (CRT DISPLAY) DISPLAY

      Tester connection (Terminal No.) Condition Specified condition
      VG (M6-28) - VG (T19-7) Always Below 1.0 ohms
      R (M6-24) - R (T19-8) Always Below 1.0 ohms
      G (M6-25) - G (T19-9) Always Below 1.0 ohms
      B (M6-26) - B (T19-10) Always Below 1.0 ohms
      SYNC (M6-27) - SYNC (T19-19) Always Below 1.0 ohms
      VR (M6-23) - VR (T19-20) Always Below 1.0 ohms
      R (M6-24) - Body ground Always 10 k ohms or higher
      G (M6-25) - Body ground Always 10 k ohms or higher
      B (M6-26) - Body ground Always 10 k ohms or higher
      SYNC (M6-27) - Body ground Always 10 k ohms or higher
      VR (M6-23) - Body ground Always 10 k ohms or higher
      Fig 1: Checking Harness And Connector (Television Camera ECU)
      G02964064Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: Checking Harness And Connector (Multi-Display (CRT Display) Display)
      G02964065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   )