DYNAMIC RADAR CRUISE CONTROL SYSTEM 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 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 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.

   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

   
   
   • NEXTClick here
4. Click here

   CHECK CAN COMMUNICATION SYSTEM*

   
   

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

      OK
      CAN communication system is functioning normally.

      Tip:

      Refer to CAN Bus Check for the CAN communication system (Click here).

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     GO TO CAN COMMUNICATION SYSTEM (Click here)

5. Click here

   CHECK FOR DTCs*

   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

   
   
   • AClick here
   • B

     GO TO DTC CHART (Click here)

6. Click here

   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

   
   
   • AClick here
   • BClick here

     GO TO STEP 8

7. 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
8. Click here

   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

   
   
   • NEXTClick here
9. Click here

   CONFIRMATION TEST

   Result
   Proceed to NEXT

   
   
   • NEXT

     END