How To Proceed With Troubleshooting

HINT: 

*: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. CUSTOMER PROBLEM ANALYSIS 
   1. Confirm problem symptoms.

      NEXT: Go to next step 

3. CHECK MULTIPLEX COMMUNICATION SYSTEM* 
   1. Check for DTCs.

      DTC is not output.	A
      DTC is output.	B

      B → GO TO MULTIPLEX COMMUNICATION SYSTEM 

      A: Go to next step 

4. CHECK CAN COMMUNICATION SYSTEM* 
   1. Check for DTCs.

      DTC is not output.	A
      DTC is output.	B

      B → GO TO CAN COMMUNICATION SYSTEM 

      A: Go to next step 

5. CHECK DTC* 
   1. Check for DTCs.
      1. Record the DTCs.
   2. Clear the DTCs.
   3. Recheck for DTCs.
      1. Simulate the malfunction and check if the DTCs are output again. Refer to DTC CHECK / CLEAR .

         DTC is output.	A
         DTC is not output.	B
         DTCs are not output, and the malfunction can not be simulated or checked.	C

      B → GO TO STEP 10 

      C → SYMPTOM SIMULATION 

      A: Go to next step 

6. DTC CHART 

   NEXT: Go to next step 

7. CIRCUIT INSPECTION* 

   NEXT: Go to next step 

8. REPAIR 

   NEXT: Go to next step 

9. CONFIRMATION TEST 

   NEXT → END 

10. PROBLEM SYMPTOMS TABLE 

    NEXT: Go to next step 

11. CIRCUIT INSPECTION* 

    NEXT: Go to next step 

12. CONFIRMATION TEST 

    NEXT → END