CXPI COMMUNICATION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use these procedures to troubleshoot the CXPI communication system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the auxiliary battery voltage with the power switch off.

      Standard voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK POWER INTEGRATION SYSTEM*


    1. Use the GTS to check if the power integration system is functioning normally.

      Click here

      Result
      Result Proceed to
      Power integration system DTCs are not output A
      Power integration system DTCs are output B

    B

    GO TO POWER INTEGRATION SYSTEM Click here

    A

  4. CHECK COMMUNICATION FUNCTION OF CXPI COMMUNICATION SYSTEM*


    1. Using the GTS, check the CXPI communication function to ensure that there are no malfunctions in the communication system.

      Click here

      Result
      Proceed to
      No DTCs output
      DTCs output

    DTCs output

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    No DTCs output

  5. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test

      Click here

    2. Terminals of ECU

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  6. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

    END