How To Proceed With Troubleshooting

Perform troubleshooting according to the following flowchart.

HINT:

For further details, see the page given.

The Techstream can be used in steps  3,  4,  7,  10 and  13.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
3. CHECK DTC AND FREEZE FRAME DATA 
   1. Record DTCs and freeze frame data, (see DTC CHECK / CLEAR  )
4. CLEAR DTC AND FREEZE FRAME DATA 

   HINT:

   Clear DTC and FREEZE FRAME DATA (see DTC CHECK / CLEAR  ).

5. PROBLEM SYMPTOM CONFIRMATION 

   SYMPTOM DOES NOT OCCUR: GO TO STEP 6 

   SYMPTOM OCCURS:  GO TO STEP  7

6. SYMPTOM SIMULATION 
7. CHECK DTC 
   1. Recheck for DTCs (see DTC CHECK / CLEAR  ).

      HINT:

      • Refer to the DIAGNOSTIC TROUBLE CODE CHART  when any DTCs are output.
      • When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
      • When communication to the power steering ECU is not established through the Techstream, inspect terminals SIL of the DLC3 and the power steering ECU, and the IG circuit of the power steering ECU.

   NORMAL SYSTEM CODE OUTPUT: GO TO STEP 8 

   DTC OUTPUT:  GO TO STEP  9

8. PROBLEM SYMPTOMS TABLE 

   HINT:

   Refer to PROBLEM SYMPTOMS TABLE  .

9. DTC CHART 

   HINT:

   Refer to DIAGNOSTIC TROUBLE CODE CHART  .

10. CIRCUIT INSPECTION 
11. PROBLEM IDENTIFICATION 
12. REPAIR OR REPLACE 
13. CONFIRMATION TEST 

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