How To Proceed With Troubleshooting

HINT:

• The vehicle stability control system troubleshooting procedures are 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.
• The intelligent tester can be used at steps 3, 7, and 10.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT 

2. CUSTOMER PROBLEM ANALYSIS 
   1. Interview and confirm the trouble.

   NEXT 

3. CHECK DTC AND FREEZE FRAME DATA 
   1. Check and record a DTC and Freeze Frame Data.
   2. Clear the DTC and Freeze Frame Data (See DTC CHECK / CLEAR  ).
   3. Reconfirm the DTC.
      1. Reconfirm the DTC based on the recorded DTC and Freeze Frame Data (See DTC CHECK / CLEAR  ).

         HINT:

         If any of the DTC 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 (See HOW TO PROCEED WITH TROUBLESHOOTING  ).

         Result 

         CONDITION CHART
         
         

         Condition	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 

   NEXT : GO TO STEP   7 

5. SYMPTOM SIMULATION 

   NEXT 

6. PROBLEM SYMPTOMS TABLE 

   NEXT 

7. CIRCUIT INSPECTION 

   NEXT 

8. IDENTIFICATION OF PROBLEM 

   NEXT 

9. REPAIR OR REPLACEMENT 

   NEXT 

10. CONFIRMATION TEST 

    NEXT : END