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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 radio receiver connector E70 and stereo component amplifier connector M30.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION

      Tester connection Condition Specified condition
      IO1+ - II1+ Always Below 1 Ω
      IO1- - II1- Always Below 1 Ω
      IO1+ - Body ground Always 10 kΩ or higher
      IO1- -Body ground Always 10 kΩ or higher
    Fig 1: Identifying Radio Receiver Connector E70 And Stereo Component Amplifier Connector M30
    G05252990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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