PRE-COLLISION SYSTEM(for Stereo Camera Type) HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   
   • NEXTClick here
2. Click here

   INSPECT AUXILIARY BATTERY VOLTAGE

   
   

   1. Measure the auxiliary battery voltage with the power switch off.

      Standard voltage
      11 to 14 V

      If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.

      Result
      Proceed to NEXT

   
   
   • NEXTClick here
3. Click here

   INSPECT MULTI-INFORMATION DISPLAY

   
   

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

      Result

      Result Proceed to "Pre-Collision System Malfunction Visit Your Dealer" is displayed A Any of the following messages is displayed: "Pre-Collision System Unavailable" "Pre-Collision System Unavailable Clean Sensor" "Front Camera Unavailable" "Front Camera Unavailable Remove Debris On Windshield" "Pre-Collision Seatbelt Unavailable" "VSC Turned Off Pre-Collision Brake System Unavailable" B Warning message is not displayed and any of the following conditions is met Pre-collision control (all functions of front collision) does not operate even when there is possibility to collide. Pre-collision control (all functions of front collision) operates even when there is no possibility to collide. C

   
   
   • AClick here
   • B

     ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLEClick here

   • CClick here
4. Click here

   CHECK CAN COMMUNICATION SYSTEM*

   
   

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

      Tip:

      Refer to CAN Bus Check in CAN Communication System.

      Click here

      OK
      CAN communication system is functioning normally.

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     GO TO CAN COMMUNICATION SYSTEMClick here

5. Click here

   CHECK FOR DTCs* (PRE-COLLISION SYSTEM)

   Tip:

   Refer to DTC Check / Clear.

   Click here

   
   

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

      
      
      1. Body Electrical > Pre-Collision System > Trouble Codes
      2. 
         
      3. 
         
      
      
      1. Body Electrical > Driving Support Computer > Trouble Codes
      2. 
         
      3. 
         

   2. Clear the DTCs.

      
      
      1. Body Electrical > Pre-Collision System > Clear DTCs
      2. 
         
      3. 
         
      
      
      1. Body Electrical > Driving Support Computer > Clear DTCs
      2. 
         
      3. 
         

   3. Recheck for DTCs.

      
      

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

         
         
         1. Body Electrical > Pre-Collision System > Trouble Codes
         2. 
            
         3. 
            
         
         
         1. Body Electrical > Driving Support Computer > Trouble Codes
         2. 
            
         3. 
            

      Result
      Result Proceed to Malfunction is duplicated but DTCs are not output A Malfunction cannot be duplicated and DTCs are not output B DTCs are output C

   
   
   • AClick here
   • B

     USE SIMULATION METHOD TO CHECKClick here

   • C

     GO TO DTC CHARTClick here

6. Click here

   CHECK FOR VEHICLE CONTROL HISTORY (PRE-COLLISION SYSTEM)

   Tip:

   Refer to Vehicle Control History.

   Click here

   
   

   1. Check for vehicle control history and note any codes that are output.

      
      
      1. Body Electrical > Pre-Collision System > Utility

         Tester Display
         Vehicle Control History

      2. 
         
         1. 
            
      3. 
         
         10. 
             

   2. Clear the vehicle control history.

      
      
      1. Body Electrical > Pre-Collision System > Utility

         Tester Display
         Vehicle Control History

      2. 
         
         1. 
            
      3. 
         
         10. 
             

   3. Recheck for vehicle control history.

      
      

      1. Check if the following vehicle control history is output.

         
         
         1. Body Electrical > Pre-Collision System > Utility

            Tester Display
            Vehicle Control History

         2. 
            
            1. 
               
         3. 
            
            10. 
                

      Result
      Result Proceed to X2014 is output A X2023 is output B X2036 is output C

   
   
   • A

     PERFORM FRONT BEAM AXIS ADJUSTMENTClick here

   • B

     PERFORM FRONT SIDE RADAR BEAM AXIS ADJUSTMENTClick here

   • C

     PERFORM BLIND SPOT MONITOR BEAM AXIS ADJUSTMENTClick here

7. Click here

   CONDITIONS WHEN PRE-COLLISION SYSTEM OPERATE OR NOT OPERATE

   
   

   1. Check the conditions when pre-collision system operates or does not operate

      Click here

      Result
      Result Proceed to Any conditions is met A Any conditions is not met B

   
   
   • A

     END (OPERATION/NO OPERATION CONDITIONS OF PRE-COLLISION SYSTEM IS MET)

   • BClick here
8. Click here

   INSPECT MILLIMETER WAVE RADAR SENSOR ASSEMBLY (FRONT BEAM AXIS MISALIGNMENT READING)*

   Note:

   Before performing optical axis adjustment, check the installation condition of the front bumper assembly and radiator grille.

   
   

   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.

   7. Enter the following menus: Body Electrical / Front Radar Sensor / Utility / Front Beam Axis Misalignment Reading.

      
      
      1. Body Electrical > Front Radar Sensor > Utility

         Tester Display
         Front Beam Axis Misalignment Reading

      2. 
         
         1. 
            
      3. 
         
         10. 
             

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

      Standard (before performing adjustment)
      Front beam axis misalignment value
      Vertical -5.0 to 5.0 deg. Horizontal -0.5 to 0.5 deg.

      Result
      Result Proceed to Front beam axis misalignment value is within the specified range. A Front beam axis misalignment value is not within the specified range. B

   
   
   • AClick here
   • B

     PERFORM FRONT BEAM AXIS ADJUSTMENTClick here

9. Click here

   INSPECT FRONT SIDE RADAR SENSOR (FRONT SIDE RADAR BEAM AXIS DISPLAY)*

   
   

   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.

   7. Enter the following menus: Body Electrical / Front Side Radar Master or Front Side Radar Slave / Utility / Front Side Radar Master Beam Axis Display or Front Side Radar Slave Beam Axis Display

      
      
      1. Body Electrical > Front Side Radar Master > Utility

         Tester Display
         Front Side Radar Master Beam Axis Display

      2. 
         
         1. 
            
      3. 
         
         10. 
             
      
      
      1. Body Electrical > Front Side Radar Slave > Utility

         Tester Display
         Front Side Radar Slave Beam Axis Display

      2. 
         
         1. 
            
      3. 
         
         10. 
             

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

      Standard
      Front side radar beam axis misalignment value
      Item Front Side Radar Sensor (Master) Front Side Radar Sensor (Slave) Angle -4 to +4° -4 to + 4°

      Result
      Result Proceed to Front side radar beam axis misalignment value is within the specified range. A Front side radar beam axis misalignment value is not within the specified range. B

   
   
   • AClick here
   • B

     PERFORM FRONT SIDE RADAR BEAM AXIS ADJUSTMENTClick here

10. Click here

    INSPECT BLIND SPOT MONITOR SENSOR

    
    

    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.

    7. Enter the following menus: Body Electrical / Blind Spot Monitor Master or Blind Spot Monitor Slave / Utility / BSM Master Beam Axis Display or BSM Slave Beam Axis Display

       
       
       1. Body Electrical > Blind Spot Monitor Master > Utility

          Tester Display
          BSM Master Beam Axis Display

       2. 
          
          1. 
             
       3. 
          
          10. 
              
       
       
       1. Body Electrical > Blind Spot Monitor Slave > Utility

          Tester Display
          BSM Slave Beam Axis Display

       2. 
          
          1. 
             
       3. 
          
          10. 
              

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

       Standard
       BSM beam axis misalignment value
       Item Blind Spot Monitor Sensor RH (Master) Blind Spot Monitor Sensor LH (Slave) Angle -3.6 to +3.6° -3.6 to +3.6°

       Result
       Result Proceed to BSM beam axis misalignment value is within the specified range. A BSM beam axis misalignment value is not within the specified range. B

    
    
    • AClick here
    • B

      PERFORM BLIND SPOT MONITOR BEAM AXIS ADJUSTMENTClick here

11. Click here

    OVERALL ANALYSIS AND TROUBLESHOOTING*

    
    

    1. Terminals of ECU

       Click here

    2. Data List / Active Test

       Click here

       Result
       Proceed to NEXT

    
    
    • NEXTClick here
12. Click here

    ADJUST, REPAIR OR REPLACE

    Note:

    Make sure to operate adjustment, repair or replacement according to the precaution.

    Click here

    Result
    Proceed to NEXT

    
    
    • NEXTClick here
13. Click here

    CONFIRMATION TEST

    Result
    Proceed to NEXT

    
    
    • NEXT

      END