DYNAMIC RADAR CRUISE CONTROL SYSTEM

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

  • 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 power 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.

      Body Electrical > Pre-Crash 2 > Utility

      Tester Display

      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.

      Body Electrical > Pre-Crash 2 > Utility

      Tester Display

      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.

      Tip:

      Refer to CAN Bus Check for the CAN communication system.

    Result

    Proceed to

    OK

    NG
    NG

    GO TO CAN COMMUNICATION SYSTEM

    OK

  5. CHECK FOR DTCs*

    Refer to DTC Check / Clear.

    Click here

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

      Powertrain > Radar Cruise1 > Trouble Codes

      Powertrain > Radar Cruise2 > Trouble Codes

    2. Clear the DTCs.

      Powertrain > Radar Cruise1 > Clear DTCs

      Powertrain > Radar Cruise2 > Clear DTCs

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

      Powertrain > Radar Cruise1 > Trouble Codes

      Powertrain > Radar Cruise2 > Trouble Codes

    Result

    Result

    Proceed to

    DTC does not reoccur

    A

    DTC reoccurs

    B
    B

    GO TO DTC CHART

    Click here

    A

  6. 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

    ADJUST, REPAIR OR REPLACEClick here

    A

  7. OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Terminals of ECU

      Click here

    2. Data List / Active Test

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  8. ADJUST, REPAIR OR REPLACE

    Note:

    When the millimeter wave radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed.

    Click here

    Result

    Proceed to

    NEXT
    NEXT

  9. CONFIRMATION TEST

    Result

    Proceed to

    NEXT
    NEXT

    END