BLIND SPOT MONITOR SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use the following procedure to troubleshoot the blind spot monitor system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. CUSTOMER PROBLEM ANALYSIS

    Result
    Proceed to
    NEXT

    NEXT

  3. INSPECT AUXILIARY BATTERY VOLTAGE


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

      Standard voltage
      11 to 14 V (IG OFF)

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

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK CAN COMMUNICATION SYSTEM*


    1. Use the GTS to check if the CAN communication system is functioning normally.

      Click here

      Result
      Result Proceed to
      CAN communication system DTC is not output. A
      CAN communication system DTC is output. (for RHD) B
      CAN communication system DTC is output. (for LHD) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  5. CHECK FOR DTC AND FREEZE FRAME DATA*


    1. Refer to DTC Check / Clear for the blind spot monitor system.

      Click here

    2. Record or print DTCs and freeze frame data, if necessary.

      Click here

      Result
      Result Proceed to
      DTCs are output. A
      DTCs are not output. B

    B

    GO TO STEP 9 Click here

    A

  6. CLEAR DTC*


    1. Refer to DTC Check / Clear for the blind spot monitor system.

      Click here


      Body Electrical > Blind Spot Monitor Master > Clear DTCs
      Body Electrical > Blind Spot Monitor Slave > Clear DTCs

      Tech Tips

      The current DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.

      Result
      Proceed to
      NEXT

    NEXT

  7. RECHECK FOR DTC*


    1. Refer to DTC Check / Clear for the blind spot monitor system.

      Click here


      Body Electrical > Blind Spot Monitor Master > Trouble Codes
      Body Electrical > Blind Spot Monitor Slave > Trouble Codes
      Result
      Result Proceed to
      DTCs are output. A
      DTCs are not output. B

      Tech Tips

      Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.


    B

    PROBLEM SYMPTOMS TABLE Click here

    A

  8. DIAGNOSTIC TROUBLE CODE CHART


    1. Find the output DTC in Diagnostic Trouble Code Chart.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    GO TO STEP 11 Click here

  9. PROBLEM SYMPTOMS TABLE


    1. Refer to Problem Symptoms Table.

      Click here

      Result
      Result Proceed to
      Fault is not listed in Problem Symptoms Table. A
      Fault is listed in Problem Symptoms Table. B

      Tech Tips

      If the symptom does not recur and no DTC is output, attempt to reproduce the symptoms.

      Click here


    B

    GO TO STEP 11 Click here

    A

  10. PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM*


    1. Refer to Terminals of ECU.

      Click here

    2. Refer to Data List / Active Test.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  11. CIRCUIT INSPECTION

    Result
    Proceed to
    NEXT

    NEXT

  12. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  13. PERFORM BEAM AXIS INSPECTION AND CONFIRMATION


    1. Enter Test Mode (refer to Blind Spot Monitor Beam Axis Inspection).

      Click here

    2. Confirm the blind spot monitor beam axis display and perform the blind spot monitor beam axis adjustment.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  14. PERFORM CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END