How To Proceed With Troubleshooting

The intelligent tester can be used at step  4,  5,  6,  12.

1. VEHICLE BROUGHT TO WORK SHOP 

   NEXT: Go to next step 

2. CUSTOMER PROBLEM ANALYSIS 
   1. Confirm problem symptoms.

   NEXT: Go to next step 

3. PROBLEM SYMPTOM CONFIRMATION 

   SYMPTOM DOES NOT OCCUR (GO TO STEP   4 ) 

   SYMPTOM OCCURS (GO TO STEP   5 ) 

4. CHECK BODY MULTIPLEX COMMUNICATION SYSTEM 
   1. Check for the DTC outputs.

   MULTIPLEX DTC OUTPUTS (PROCEED TO "BODY MULTIPLEX COMMUNICATION SYSTEM") 

   NO MULTIPLEX DTC (GO TO STEP   5 ) 

5. DTC CHECK (OTHER THAN MULTIPLEX DTC) 

   MALFUNCTION CODE (GO TO STEP   6 ) 

   NORMAL CODE (GO TO STEP   7 ) 

6. DTC CHART 

   GO TO STEP   9 

7. PROBLEM SYMPTOMS TABLE 

   NEXT: Go to next step 

8. TERMINALS OF ECU 

   NEXT: Go to next step 

9. CIRCUIT INSPECTION 

   NEXT: Go to next step 

10. IDENTIFICATION OF PROBLEM 

    NEXT: Go to next step 

11. REPAIR OR REPLACE 

    NEXT: Go to next step 

12. CONFIRMATION TEST 

    NEXT: END