How To Proceed With Troubleshooting

The hand-held tester can be used in steps  3,  4,  5,  7 and  10.

1. VEHICLE BROUGHT TO WORKSHOP 
   1. GO TO NEXT STEP 
2. CUSTOMER PROBLEM ANALYSIS (See  CUSTOMER PROBLEM ANALYSIS CHECK   ) 
   1. GO TO NEXT STEP 
3. CONNECT HAND-HELD TESTER TO DLC3 

   HINT:

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

   1. GO TO NEXT STEP 
4. CHECK DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR   ) 

   HINT:

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

   1. GO TO NEXT STEP 
5. CLEAR DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR   ) 
   1. GO TO NEXT STEP 
6. CONDUCT VISUAL INSPECTION 
   1. GO TO NEXT STEP 
7. SET CHECK MODE DIAGNOSIS (See  CHECK MODE PROCEDURE   ) 
   1. GO TO NEXT STEP 
8. CONFIRM PROBLEM SYMPTOMS 

   HINT:

   If the engine does not start, perform steps  10 and  12 first.

   CONFIRM PROBLEM
   
   

   Result	Proceed To
   Malfunction does not occur	A
   Malfunction occurs	B

   1. B : Go to STEP   10 
   2. A : GO TO NEXT STEP 
9. SIMULATE SYMPTOM 
   1. GO TO NEXT STEP 
10. CHECK DTC (See  DTC CHECK/CLEAR   ) 
    MALFUNCTION
    
    

    Result	Proceed To
    Malfunction code	A
    No code	B

    1. B: Go to STEP   12 
    2. A: Go to next STEP 
11. REFER TO  DIAGNOSTIC TROUBLE CODE TABLE  
    1. NEXT: GO TO STEP   14 
12. CONDUCT  BASIC INSPECTION  
    CONDUCT BASIC INSPECTION
    
    

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

    1. B: Go to STEP   17 
    2. A: Go to NEXT STEP 
13. REFER TO  PROBLEM SYMPTOMS TABLE  
    PROBLEM SYMPTOM
    
    

    Result	Proceed To
    Malfunctioning circuit confirmed	A
    Malfunctioning parts confirmed	B

    1. B: Go to STEP   17 
    2. A: GO TO NEXT STEP 
14. CHECK  ECM POWER SOURCE CIRCUIT  
    1. GO TO NEXT STEP 
15. CONDUCT CIRCUIT INSPECTION 
    CONDUCT CIRCUIT INSPECTION
    
    

    Result	Proceed To
    Malfunction not confirmed	A
    Malfunction confirmed	B

    1. B: Go to STEP   18 
    2. A: GO TO NEXT STEP 
16. (See  CHECK FOR INTERMITTENT PROBLEMS   ) 
    1. NEXT: GO TO STEP   18 
17. CONDUCT PARTS INSPECTION 
    1. GO TO NEXT STEP 
18. IDENTIFY PROBLEM 
    1. GO TO NEXT STEP 
19. ADJUST AND/OR REPAIR 
    1. GO TO NEXT STEP 
20. CONDUCT CONFIRMATION TEST 
    1. END