AVC-LAN Circuit: Procedure

2010 Lexus LS 460L AWDSECTION Procedure
  1. CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY - DISPLAY AND NAVIGATION MODULE DISPLAY) 
    1. Disconnect the L38 clock assembly connector.
    2. Disconnect the L116 display and navigation module display connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L38-5 (TX-1) - L116-10 (TX3-) Always Below 1 Ω
      L38-6 (TX+1) - L116-9 (TX3+) Always Below 1 Ω
      L38-5 (TX-1) - Body ground Always 10 kΩ or higher
      L38-6 (TX+1) - 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  
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.