How To Proceed With Troubleshooting

HINT:

*: Use the intelligent tester.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CONNECT INTELLIGENT TESTER TO DLC3* 

   HINT:

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

3. CHECK DTC AND FREEZE FRAME DATA* 

   HINT:

   Record or print DTCs and freeze frame data, if necessary (See DTC CHECK/CLEAR  ).

4. CLEAR DTC AND FREEZE FRAME DATA* 

   HINT:

   (See DTC CHECK/CLEAR  )

5. CONDUCT VISUAL INSPECTION 
6. SET CHECK MODE DIAGNOSIS* 

   HINT:

   (See CHECK MODE PROCEDURE  )

7. CONFIRM PROBLEM SYMPTOMS 

   HINT:

   If the engine does not start, first perform the "check DTC" procedures and "conduct basic inspection" procedures below.

   RESULT REFERENCE
   
   

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

   B:  GO TO STEP  9

   A: Go to next step 

8. SIMULATE SYMPTOMS 
9. CHECK DTC* 

   HINT:

   (See DTC CHECK/CLEAR  )

   RESULT REFERENCE
   
   

   Result	Proceed to
   Malfunction code	A
   No code	B

   B:  GO TO STEP  11

   A: Go to next step 

10. REFER TO DTC TABLE 

    HINT:

    (See DIAGNOSTIC TROUBLE CODE TABLE  )

    GO TO STEP  13

11. CONDUCT BASIC INSPECTION 

    HINT:

    (See CHECK FOR INTERMITTENT PROBLEMS  )

    RESULT REFERENCE
    
    

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

    B:  GO TO STEP  16

    A: Go to next step 

12. REFER TO PROBLEM SYMPTOMS TABLE 

    HINT:

    (See PROBLEM SYMPTOMS TABLE  )

    RESULT REFERENCE
    
    

    Result	Proceed to
    Malfunctioning circuit confirmed	A
    Malfunctioning parts confirmed	B

    B: GO TO STEP   16 

    A: Go to next step 

13. CHECK ECM POWER SOURCE CIRCUIT 

    HINT:

    (See ECM POWER SOURCE CIRCUIT )

14. CONDUCT CIRCUIT INSPECTION 
    RESULT REFERENCE
    
    

    Result	Proceed to
    Malfunction not confirmed	A
    Malfunction confirmed	B

    B: GO TO STEP   17 

    A: Go to next step 

15. CHECK FOR INTERMITTENT PROBLEMS 

    HINT:

    (See CHECK FOR INTERMITTENT PROBLEMS  )

    GO TO STEP  17

16. CONDUCT PARTS INSPECTION 
17. IDENTIFY PROBLEM 
18. ADJUST, REPAIR OR REPLACE 
19. CONDUCT CONFIRMATION TEST 

    END