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 AUXILIARY BATTERY VOLTAGE

   
   

   1. Measure the auxiliary battery voltage.

      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

   
   

   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.

   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.

   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.

      Tech Tips

      Refer to CAN Bus Check for the CAN communication system.

      for LHD: Click here

      for RHD: Click here

      Result
      Result Proceed to OK A NG (for LHD) B NG (for RHD) C

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   C

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

5. CHECK FOR DTCs (HYBRID CONTROL SYSTEM)*

   Refer to DTC Check / Clear.

   
   

   • for 2AR-FSE:

     Click here

   • for 2GR-FXE:

     Click here

   
   

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

   2. Clear the DTCs.

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

      Result
      Result Proceed to DTC does not reoccur A DTC reoccurs (for 2AR-FSE) B DTC reoccurs (for 2GR-FXE) C

   
   

   B

   GO TO DTC CHART Click here

   C

   GO TO DTC CHART Click here

   A

6. CHECK FOR DTCs (DYNAMIC RADAR CRUISE CONTROL SYSTEM)*

   Refer to DTC Check / Clear.

   Click here

   
   

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

   2. Clear the DTCs.

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

      Result
      Result Proceed to DTC does not reoccur A DTC reoccurs B

   
   

   B

   GO TO DTC CHART Click here

   A

7. 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

   
   

   A

   B

8. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Terminals of ECU

      Click here

   2. Data List / Active Test

      Click here

      Result
      Proceed to NEXT

   
   

   NEXT

9. ADJUST, REPAIR OR REPLACE

   Note

   When replacing parts, make sure to check the replacement precautions.

   Click here

   Result
   Proceed to NEXT

   
   

   NEXT

10. CONFIRMATION TEST

    Result
    Proceed to NEXT

    
    

    NEXT

    END