How To Proceed With Troubleshooting

HINT: 

• The vehicle stability control system troubleshooting procedure is based on the premise that the multiplex communication system is operating normally. Check the multiplex communication system first before troubleshooting the vehicle stability control system. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. CUSTOMER PROBLEM ANALYSIS 
   1. Interview the customer and confirm the problem. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

      NEXT: Go to next step 

3. CHECK DTC AND FREEZE FRAME DATA* 
   1. Check and record DTCs and Freeze Frame Data.
   2. Clear the DTCs and Freeze Frame Data. Refer to DTC CHECK / CLEAR  for DTC Check/Clear, and refer to FREEZE FRAME DATA  for Freeze Frame Data).
   3. Reconfirm the DTCs.
      1. Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data. Refer to DTC CHECK / CLEAR  for DTC Check/Clear, and refer to FREEZE FRAME DATA  for Freeze Frame Data.

         HINT: 

         • When DTCs indicating CAN communication system malfunctions are output, repair the CAN communication system before repairing each corresponding sensor. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .
         • If any of DTCs U0100/65, U0123/62, U0124/95, and U0126/63 is output together with a CAN communication DTC, first check the appropriate sensor for a momentary open circuit. Refer to CHECK FOR INTERMITTENT PROBLEMS .

         Result

         Result	Proceed to
         DTC is output	A
         DTC is not output (Problem symptom does not occur)	B
         DTC is not output (Problem symptom occurs)	C

      B → GO TO STEP 5 

      C → GO TO STEP 6 

      A: Go to next step 

4. DIAGNOSTIC TROUBLE CODE CHART 
   1. Proceed to Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .

      NEXT → GO TO STEP 7 

5. SYMPTOM SIMULATION 
   1. Proceed to Diagnosis System. Refer to DIAGNOSIS SYSTEM .

      NEXT: Go to next step 

6. PROBLEM SYMPTOMS TABLE 
   1. Proceed to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .

      NEXT: Go to next step 

7. CIRCUIT INSPECTION* 

   NEXT: Go to next step 

8. IDENTIFICATION OF PROBLEM 

   NEXT: Go to next step 

9. REPAIR OR REPLACEMENT 

   NEXT: Go to next step 

10. CONFIRMATION TEST* 

    NEXT → END