LIN COMMUNICATION SYSTEM, Diagnostic DTC:B14B5

DTC Code DTC Name
B14B5 Lost Communication with Front Seat Temperature Adjustment Switch LIN

DESCRIPTION

The refreshing seat switch communicates with the air conditioning amplifier assembly through LIN communication system. If the LIN communication system malfunctions, the air conditioning amplifier assembly does not operate even if the refreshing seat switch is operated.

DTC No. Detection Item DTC Detection Condition Trouble Area
B14B5 Lost Communication with Front Seat Temperature Adjustment Switch LIN Lost communication with the refreshing seat switch.

  • Refreshing seat switch

  • Air conditioning amplifier assembly

  • Harness or connector

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Air Conditioner > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC (SEAT HEATER SYSTEM)


    1. Check for DTCs.

      Click here


      Body Electrical > Air Conditioner > Trouble Codes
      OK
      Seat Heater system DTC is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    GO TO SEAT HEATER SYSTEM Click here