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Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check voltage between terminals +B, ACC, IG and GND1 of television camera ECU. 
    1. Disconnect the T32 connector from the television camera ECU.
    2. Measure the voltage according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester connection Condition Specified condition
      +B - Body ground Always 10 to 14 V
      ACC - Body ground Ignition SW ACC 10 to 14 V
      IG - Body ground Ignition SW ON 10 to 14 V
      Fig 1: Identifying Terminals +B, ACC, IG And GND1 Of Television Camera ECU
      G02988084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Repair or replace harness or connector. 
    2. OK: Go to Next Step. 
  2. Check continuity between terminal GND1 and body ground. 
    1. Disconnect the T32 connector from the television camera ECU.
    2. Measure the resistance according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION SPECIFIED CONDITION

      Tester connection Condition Specified condition
      GND1 - Body ground Always Below 1 Ω
      Fig 2: Identifying Terminal GND1 Of Television Camera ECU
      G02988085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Repair or replace harness or connector. 
    2. OK: Replace television camera ECU. 
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