LIN COMMUNICATION SYSTEM DIAGNOSIS SYSTEM


  1. DESCRIPTION

    The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly)* control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3).

    When the system seems to be malfunctioning, use the intelligent tester to check for malfunctions and perform repairs.

    *: w/ Smart Entry and Start System

  2. CHECK DLC3


    1. Check the DLC3 Click here.

  3. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.


      • If the voltage is below 11 V, recharge or replace the battery.