How To Proceed With Troubleshooting

HINT

• Perform troubleshooting according to the following flowchart.
• * Use the Techstream

1. VEHICLE BROUGHT TO WORKSHOP 
2. CHECK DTC AND FREEZE FRAME DATA* 
   1. Record DTCs and freeze frame data.
3. CLEAR DTC AND FREEZE FRAME DATA* 
4. PROBLEM SYMPTOM CONFIRMATION 

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   Problem symptoms does not occur.	A
   Problem symptoms occurs.	B

   B: Go to step   6 

   A: Go to next Step 

5. SYMPTOM SIMULATION 
6. CHECK DTC* 
   1. Recheck for DTCs (See DTC CHECK/CLEAR ).

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   Normal system code is output.	A
   DTC is output.	B

   HINT:

   • Refer to the diagnostic trouble code chart if any DTCs are output
   • If any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first (See HOW TO PROCEED WITH TROUBLESHOOTING )
   • If communication to the power steering ECU assembly is not established through the Techstream, inspect terminals CANH and CANL of the DLC3 and power steering ECU assembly, and inspect the IG circuit of the power steering ECU assembly.

   B: Go to step   8 

   A: Go to next Step 

7. PROBLEM SYMPTOMS TABLE 
8. CIRCUIT INSPECTION 
9. IDENTIFICATION OF PROBLEM* 
10. REPAIR OR REPLACE 
11. CONFIRMATION TEST 

    END