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Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO COMPONENT AMPLIFIER) 
    1. Disconnect the connectors from the radio receiver and stereo component amplifier.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      L+ - L+ Always Below 1 Ω
      L- - L- Always Below 1 Ω
      R+ - R+ Always Below 1 Ω
      R- - R- Always Below 1 Ω
      SLD - SLD Always Below 1 Ω
      L+ - Body ground Always 10 kΩ or higher
      L- - Body ground Always 10 kΩ or higher
      R+ - Body ground Always 10 kΩ or higher
      R- - Body ground Always 10 kΩ or higher
      SLD - Body ground Always 10 kΩ or higher
    Fig 1: Identifying Radio Receiver And Stereo Component Amplifier Connector Terminals
    G05252975Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

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