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Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter (TO 12/2010): Procedure

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) 
    1. Disconnect the No. 1 stereo jack adapter assembly and radio receiver assembly connectors.
      Fig 1: Identifying No. 1 Stereo Jack Adapter Assembly And Radio Receiver Assembly Connector Terminals
      GTY306858Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M3-9 (AUXO) - E34-19 (AUXI) Always Below 1 Ω
      M3-8 (ASGN) - E34-16 (ASGN) Always Below 1 Ω
      M3-6 (ARO) - E34-15 (ARI) Always Below 1 Ω
      M3-7 (ALO) - E34-17 (ALI) Always Below 1 Ω
      M3-10 (AGND) - E34-18 (AGND) Always Below 1 Ω
      M3-9 (AUXO) - Body ground Always 10 kΩ or higher
      M3-8 (ASGN) - Body ground Always 10 kΩ or higher
      M3-6 (ARO) - Body ground Always 10 kΩ or higher
      M3-7 (ALO) - Body ground Always 10 kΩ or higher
      M3-10 (AGND) - Body ground Always 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Radio Receiver Assembly)
      *b Front view of wire harness connector
      (to No. 1 Stereo Jack Adapter Assembly)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   2 

  2. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE