How To Proceed With Troubleshooting

HINT:

*: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

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2. CUSTOMER PROBLEM ANALYSIS 
   1. Confirm problem symptoms.

   NEXT 

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

      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.
      CAN COMMUNICATION SYSTEM CHART
      
      

      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 (See DTC CHECK / CLEAR  ).
         CAN COMMUNICATION SYSTEM CHART
         
         

         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 

7. CIRCUIT INSPECTION* 

   NEXT 

8. REPAIR 
9. CONFIRMATION TEST 

   NEXT : END 

10. PROBLEM SYMPTOMS TABLE 

    NEXT 

11. CIRCUIT INSPECTION* 

    NEXT 

12. CONFIRMATION TEST 

    NEXT : END