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 BATTERY VOLTAGE


    1. Measure the battery voltage.

      Standard voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

      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 FOR DTC*


    1. Check for DTCs and make a note of any codes that are output.

      Click here

    2. Clear the DTCs.


      Body Electrical > Main Body > Clear DTCs

    3. Recheck for DTCs.


      Body Electrical > Main Body > Trouble Codes
      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