DYNAMIC RADAR CRUISE CONTROL 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 dynamic radar cruise control 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, replace or recharge the battery before proceeding to the next step.

      Result
      Proceed to
      NEXT

    NEXT

  3. INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY*


    1. Adjust the reflector height.

      Click here

    2. Place the reflector.

      Click here

    3. Connect the GTS to the DLC3.

    4. Turn the engine switch on (IG).

    5. Turn the GTS on.

    6. Turn the cruise control main switch (ON/OFF) on.

    7. Enter the following menus: Body Electrical / Pre-Crash 2 / Utility / Front Beam Axis Misalignment Reading.

    8. Check the amount of misalignment and make a note.

    9. Enter the following menus: Body Electrical / Pre-Crash 2 / Utility / Front Beam Axis Offset Reading.

    10. Check the amount of offset and make a note.

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK CAN COMMUNICATION SYSTEM*


    1. Using the GTS, check that the CAN communication system is functioning normally.

      OK
      CAN communication system is functioning normally.

      Tech Tips

      Refer to CAN Bus Check for the CAN communication system.


      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  5. CHECK DTCs (SFI SYSTEM OR ECD SYSTEM)*

    Refer to DTC Check / Clear.



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

    2. Clear the DTCs.

    3. Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

      Result
      Result Proceed to
      DTC does not reoccur A
      DTC reoccurs (for 1UR-FE) B
      DTC reoccurs (for 3UR-FE) C
      DTC reoccurs (for 1VD-FTV [w/ DPF]) D
      DTC reoccurs (for 1VD-FTV [w/o DPF]) E

    B

    GO TO DTC CHART Click here

    C

    GO TO DTC CHART Click here

    D

    GO TO DTC CHART Click here

    E

    GO TO DTC CHART Click here

    A

  6. CHECK FOR DTCs (DYNAMIC RADAR CRUISE CONTROL SYSTEM)*

    Refer to DTC Check / Clear.

    Click here


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

    2. Clear the DTCs.

    3. Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

      Result
      Result Proceed to
      DTC does not reoccur A
      DTC reoccurs B

    B

    GO TO DTC CHART Click here

    A

  7. PROBLEM SYMPTOMS TABLE

    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

    B

    GO TO STEP 9 Click here

    A

  8. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU

      Click here

    2. Data List / Active Test

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  9. ADJUST, REPAIR OR REPLACE

    Note

    When replacing parts, make sure to check the replacement precautions.

    Click here

    Result
    Proceed to
    NEXT

    NEXT

  10. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END