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Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier: Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY) 
    1. Disconnect the G7 radio receiver assembly connector.
    2. Disconnect the O33 stereo component amplifier assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G7-9 (L+) - O33-3 (L+) Always Below 1 Ω
      G7-19 (L-) - O33-2 (L-) Always Below 1 Ω
      G7-8 (R+) - O33-5 (R+) Always Below 1 Ω
      G7-18 (R-) - O33-4 (R-) Always Below 1 Ω
      G7-9 (L+) - Body ground Always 10 kΩ or higher
      G7-19 (L-) - Body ground Always 10 kΩ or higher
      G7-8 (R+) - Body ground Always 10 kΩ or higher
      G7-18 (R-) - Body ground Always 10 kΩ or higher
      G7-10 (SLD) - Body ground Always 10 kΩ or higher

    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 [03/2012 - 07/2012]