How To Proceed With Troubleshooting

The intelligent tester can be used in steps 2, 3, 4, 6 and 9.

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 
   1. Check the DTC(s) and freeze frame data (See DTC CHECK / CLEAR ).

   HINT:

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

4. CLEAR DTC AND FREEZE FRAME DATA 
   1. Clear the DTC(s) and freeze frame data (See DTC CHECK / CLEAR ).
5. CONDUCT VISUAL INSPECTION 
6. SET CHECK MODE DIAGNOSIS 
   1. Set the check mode (See CHECK MODE PROCEDURE ).
7. CONFIRM PROBLEM SYMPTOMS 

   HINT:

   If the engine does not start, perform steps 9 and 11 first.

   Result 

   RESULT
   
   

   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 
   1. Check the DTC(s) (See DTC CHECK / CLEAR ).

   Result 

   RESULT
   
   

   Result	Proceed to
   Malfunction code	A
   No code	B

   B:  Go TO STEP  11

   A: Go to next step 

10. REFER TO DTC CHART 

    HINT:

    Refer to "DTC CHART " (See ).

    GO TO STEP  13

11. CONDUCT BASIC INSPECTION 

    HINT:

    Refer to "BASIC INSPECTION " .

    Result 

    RESULT
    
    

    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:

    Refer to "PROBLEM SYMPTOMS TABLE ").

    Result 

    RESULT
    
    

    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:

    Refer to "ECM POWER SOURCE CIRCUIT " .

14. CONDUCT CIRCUIT INSPECTION 

    Result 

    RESULT
    
    

    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 AND/OR REPAIR 
19. CONDUCT CONFIRMATION TEST 

    END