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Home >> Lexus >> 2011 >> HS 250h >> Repair and Diagnosis (Single Page) >> Body & Frame >> Mirrors >> Rear View Monitor System (W/Wide View Front Monitor System) (Diagnostic Codes & Symptom Tests) >> REAR VIEW MONITOR SYSTEM (w/ Wide View Front Monitor System) >> DTC C168B, C168C: AVC-LAN Communication Malfunction; AVC-LAN Command Time Out >> Procedure
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DTC C168B, C168C: AVC-LAN Communication Malfunction; AVC-LAN Command Time Out: Procedure

  1. CHECK DTC OUTPUT 
    1. Clear the DTCs. Refer to DTC CHECK/CLEAR .
    2. Check for DTCs. Refer to DTC CHECK/CLEAR .

      Result

      Result Proceed to
      DTC C168B or C168C is output A
      No DTC is output B

      HINT: 

      • This DTC may be stored due to the battery condition or changes in the power supply waveform when starting the hybrid system, even though there is no problem with the AVC-LAN communication system.
      • If DTC C168B or C168C is output frequently, duplicate the problem symptoms and perform the inspection again, even though the DTC is not output when rechecking for DTCs. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

    B → See step   3 

    A → See step   2 

  2. GO TO NAVIGATION SYSTEM. Refer to  AVC-LAN Circuit 
  3. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING