How To Proceed With Troubleshooting

HINT:

*: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
3. CONNECT TECHSTREAM TO DLC3 

   HINT:

   If the display indicates a communication fault in the Techstream, inspect the DLC3.

4. CHECK DTC AND FREEZE FRAME DATA* 

   HINT:

   Record or print DTCs and freeze frame data, if necessary.

5. CLEAR DTC AND FREEZE FRAME DATA* 
6. CONDUCT VISUAL INSPECTION 
7. SET CHECK MODE DIAGNOSIS*  (see CHECK MODE PROCEDURE  )
8. CONFIRM PROBLEM SYMPTOMS 

   HINT:

   If the engine does not start, first perform the "CHECK DTC" procedures and "CONDUCT BASIC INSPECTION" procedures below.

   RESULT CHART
   
   

   Result	Proceed To
   Malfunction does not occur	A
   Malfunction occurs	B

   B : GO TO STEP  10

   A : Go to next step 

9. SIMULATE SYMPTOMS 
10. CHECK DTC  (see DTC CHECK/CLEAR  )
    RESULT CHART
    
    

    Result	Proceed To
    Malfunction code	A
    No code	B

    B : GO TO STEP  12

    A : Go to next step 

11. REFER TO DTC CHART  (see DIAGNOSTIC TROUBLE CODE CHART  )
12. CONDUCT BASIC INSPECTION  (see CHECK FOR INTERMITTENT PROBLEMS  )
    RESULT CHART
    
    

    Result	Proceed To
    Malfunctioning parts not confirmed	A
    Malfunctioning parts confirmed	B

    B : GO TO STEP  17

    A : Go to next step 

13. REFER TO PROBLEM SYMPTOMS TABLE 
    RESULT CHART
    
    

    Result	Proceed To
    Malfunctioning circuit confirmed	A
    Malfunctioning parts confirmed	B

    B : GO TO STEP  17

    A : Go to next step 

14. CHECK ECM POWER SOURCE CIRCUIT  (see ECM POWER SOURCE CIRCUIT )
15. CONDUCT CIRCUIT INSPECTION 
    RESULT CHART
    
    

    Result	Proceed To
    Malfunction not confirmed	A
    Malfunction confirmed	B

    B : GO TO STEP  18

    A : Go to next step 

16. CHECK FOR INTERMITTENT PROBLEMS  (see CHECK FOR INTERMITTENT PROBLEMS  )
17. CONDUCT PARTS INSPECTION 
18. IDENTIFY PROBLEM 
19. ADJUST AND/OR REPAIR 
20. CONDUCT CONFIRMATION TEST 

    NEXT : END