LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2017 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio / Video System - Circuit Tests >> Audio And Visual System >> Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier [04/2013 - 09/2020] >> Procedure

Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier [04/2013 - 09/2020]: Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY) 
    1. Disconnect the K70 radio receiver assembly connector.
    2. Disconnect the P24 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
      K70-1 (FR+) - P24-5 (R+) Always Below 1 Ω
      K70-5 (FR-) - P24-4 (R-) Always Below 1 Ω
      K70-2 (FL+) - P24-3 (L+) Always Below 1 Ω
      K70-6 (FL-) - P24-2 (L-) Always Below 1 Ω
      P24-6 (SLD) - Body ground Always 10 kΩ or higher
      P24-5 (R+) - Body ground Always 10 kΩ or higher
      P24-4 (R-) - Body ground Always 10 kΩ or higher
      P24-3 (L+) - Body ground Always 10 kΩ or higher
      P24-2 (L-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [04/2013 - 06/2014]  , or refer to  PROBLEM SYMPTOMS TABLE [06/2014 - 10/2016]  , or refer to  PROBLEM SYMPTOMS TABLE [10/2016 - 09/2020] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR