How To Proceed With Troubleshooting

*: Use a Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
3. DTCS AND FREEZE FRAME DATA CHECK AND CLEARANCE* 
4. PROBLEM SYMPTOM CONFIRMATION 

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   Symptom does not occur	A
   Symptom occurs	B

   B: SYMPTOM SIMULATION 

   A: Go to next step 

5. CHECK CAN COMMUNICATION SYSTEM* 
   1. Check for the output DTCs relating to the CAN communication system.

      HINT:

      The ECU of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in the CAN communication system.

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      CAN communication system DTC not output	A
      CAN communication system DTC output	B

   B: CAN COMMUNICATION SYSTEM 

   A: Go to next step 

6. DTC CHECK* 

   HINT:

   See DTC CHECK/CLEAR  .

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   DTC output	A
   DTC not output	B

   B: PROBLEM SYMPTOMS TABLE 

   A: Go to next step 

7. DTC CHART 

   HINT:

   See DIAGNOSTIC TROUBLE CODE CHART  .

8. CIRCUIT INSPECTION 

   HINT:

   When 2 or more DTCs are detected, perform circuit inspections one by one until the problem is identified.

9. PROBLEM IDENTIFICATION 
10. REPAIR OR REPLACEMENT 
11. CONFIRMATION TEST* 

    NEXT: END