DYNAMIC RADAR CRUISE CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

Tech Tips


  • Use the following procedures to troubleshoot the dynamic radar cruise control system.

  • *: Use the intelligent tester.


  1. VEHICLE BROUGHT TO WORKSHOP


    NEXT
  2. INSPECT BATTERY VOLTAGE

    Standard voltage
    11 to 14 V

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


    NEXT
  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


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

      Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output (for LHD with Entry and Start System) B
      CAN DTC is output (for LHD without Entry and Start System) C
      CAN DTC is output (for RHD with Entry and Start System) D
      CAN DTC is output (for RHD without Entry and Start System) E

      B
      C
      D
      E
      A
  4. CHECK FOR DTC*


    1. Check for DTCs Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

      B
      A
  5. 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

      B
      A
  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Operation Check Click here

    2. Terminals of ECU Click here

    3. Data List / Active Test Click here


      NEXT
  7. ADJUST, REPAIR OR REPLACE

    Note


    • When the driving support ECU or ECM is replaced with a new one, initialization must be performed Click here.

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


    NEXT
  8. CONFIRMATION TEST


    NEXT