DYNAMIC RADAR CRUISE CONTROL SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   

   NEXT

2. INSPECT BATTERY VOLTAGE

   
   

   1. Measure the battery voltage with the engine switch off.

      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 (BEAM AXIS MISALIGNMENT READING)*

   
   

   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 button) 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.

      
      Body Electrical > Pre-Crash 2 > Utility

      Tester Display
      Front Beam Axis Misalignment Reading

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

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

       
       Body Electrical > Pre-Crash 2 > Utility

       Tester Display
       Front Beam Axis Offset Reading

       Result
       Proceed to NEXT

   
   

   NEXT

4. CHECK CAN COMMUNICATION SYSTEM*

   
   

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

      
      

      • for LHD:

        Click here

      • for RHD:

        Click here

      Result
      Result Proceed to CAN communication system DTCs are not output A CAN communication system DTCs are output (for LHD) B CAN communication system DTCs are output (for RHD) C

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   C

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

5. CHECK METER / GAUGE SYSTEM*

   
   

   1. Use the GTS to check if the meter / gauge system is functioning normally.

      Click here

      
      Body Electrical > Combination Meter > Trouble Codes

      Result
      Result Proceed to Meter / gauge system DTCs are not output A Meter / gauge system DTCs are output B

   
   

   B

   GO TO METER / GAUGE SYSTEM Click here

   A

6. CHECK VEHICLE STABILITY CONTROL SYSTEM AND ELECTRIC PARKING BRAKE SYSTEM

   
   

   1. Use the GTS to check if the vehicle stability control system and electric parking brake system are functioning normally.

      Vehicle stability control system: Click here

      Electric parking brake system: Click here

      
      Chassis > ABS/VSC/TRC > Trouble Codes
      Chassis > Electric Parking Brake > Trouble Codes

      Result
      Result Proceed to Vehicle stability control system and electric parking brake system DTCs are not output A Vehicle stability control system DTCs are output B Electric parking brake system DTCs are output C

   
   

   B

   GO TO VEHICLE STABILITY CONTROL SYSTEM Click here

   C

   GO TO ELECTRIC PARKING BRAKE SYSTEM Click here

   A

7. CHECK FOR DTC (DYNAMIC RADAR CRUISE CONTROL SYSTEM)

   
   

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

      Click here

      
      Powertrain > Radar Cruise > Trouble Codes

   2. Clear the DTCs.

      Click here

      
      Powertrain > Radar Cruise > Clear DTCs

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

      Click here

      
      Powertrain > Radar Cruise > Trouble Codes

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

   
   

   B

   GO TO DTC CHART Click here

   A

8. PROBLEM SYMPTOMS TABLE

   Tech Tips

   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 REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE

   A

9. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Data List / Active Test

      Click here

   2. Operation check

      Click here

   3. Road test

      Click here

   4. Terminals of ECU

      Click here

      Result
      Proceed to NEXT

   
   

   NEXT

10. ADJUST, REPAIR OR REPLACE

    Note

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

    Click here

    Result
    Proceed to NEXT

    
    

    NEXT

11. CONFIRMATION TEST

    Result
    Proceed to NEXT

    
    

    NEXT

    END