PRE-CRASH SAFETY 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.

      Standard voltage
      11 to 14 V

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

      Result
      Proceed to NEXT

   
   

   NEXT

3. INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY (FRONT 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 ignition switch to ON.

   5. Turn the GTS on.

   6. Turn the cruise control 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. Use the GTS to check if 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 B

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM for LHD: Click here GO TO CAN COMMUNICATION SYSTEM for RHD: Click here

   A

5. INSPECT WARNING LIGHT

   
   

   1. Check the condition of the warning lights on the combination meter assembly.

      Result
      Result Proceed to Only the PCS warning light is blinking A The PCS warning light is not blinking The PCS warning light and other warning lights are illuminated or blinking B

   
   

   B

   GO TO MALFUNCTIONING SYSTEM

   A

6. INSPECT MULTI-INFORMATION DISPLAY

   
   

   1. Check if a pre-crash safety system warning message is displayed on the multi-information display in the combination meter assembly.

      Result
      Result Proceed to "Pre-crash safety system Malfunction Visit Your Dealer" is displayed A "Pre-crash safety system Unavailable", "Pre-crash safety system Unavailable Clean Sensor". "Pre-crash safety system Unavailable". "Forward Camera Systems Unavailable Clean Windshield" or "Forward Camera Systems Unavailable" is displayed B Warning message is not displayed C

   
   

   B

   GO TO PROBLEM SYMPTOMS TABLE Click here

   C

   GO TO CONDITIONS WHEN PRE-CRASH SAFETY SYSTEM DID NOT OPERATE

   A

7. CHECK FOR DTCs*

   
   

   1. Check for DTCs.

      Click here

      
      Body Electrical > Pre-Crash 2 > Trouble Codes

   2. Clear the DTCs.

      Click here

      
      

      1. Record the DTCs.

         
         Body Electrical > Pre-Crash 2 > Clear DTCs

   3. Recheck for DTCs.

      Click here

      
      Body Electrical > Pre-Crash 2 > Trouble Codes

   4. Attempt to duplicate the malfunction and check if the DTCs are output again.

      Click here

      Result
      Result Proceed to DTCs are not output A DTCs are output B No DTCs are output, and malfunction cannot be duplicated or checked C

   
   

   B

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   C

   GO TO SYMPTOM SIMULATION 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. Terminals of ECU

      Click here

   2. Data List / Active Test

      Click here

      Result
      Proceed to NEXT

   
   

   NEXT

10. ADJUST, REPAIR OR REPLACE

    Tech Tips

    Perform proper procedures according to corresponding faults listed in the problem symptoms table or the corresponding DTCs listed in the diagnostic trouble code chart.

    Result
    Proceed to NEXT

    Note

    
    

    • If the millimeter wave radar sensor assembly is replaced, the beam axis of the sensor needs to be adjusted.

      Click here

    • If the driving support ECU assembly is replaced, initialization needs to be performed.

      for LHD: Click here

      for RHD: Click here

    
    

    NEXT

11. CONFIRMATION TEST

    Result
    Proceed to NEXT

    
    

    NEXT

    END