How To Proceed With Troubleshooting

HINT:

*: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. INSPECT BATTERY VOLTAGE 

   Standard Voltage: 

   11 to 14 V 

   If the voltage is below 11 V, recharge or replace the battery before proceeding.

3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Using the Techstream, inspect the CAN communication function to ensure there are no malfunctions in the communication system.

   Result 

   RESULT REFERENCE
   
   

   Result	Proceed to
   No DTCs (CAN communication system) output	A
   DTCs (CAN communication system) output	B

   HINT:

   The skid control ECU sends the signals of each warning light via CAN communication.

   B: PROCEED TO CAN COMMUNICATION SYSTEM 

   A Go to next step 

4. CHECK DTC AND FREEZE FRAME DATA* 
5. CLEAR DTC AND FREEZE FRAME DATA* 
6. PROBLEM SYMPTOM CONFIRMATION 
7. DTC CHECK AND CLEAR* 
8. PROBLEM SYMPTOM CONFIRMATION 

   Result 

   RESULT REFERENCE
   
   

   Result	Proceed to
   Symptom does not occur	A
   Symptom occurs	B

   B:  GO TO STEP  10

   A Go to next step 

   Result 

9. SYMPTOM SIMULATION 
10. CHECK FOR DTC (OTHER THAN CAN COMMUNICATION SYSTEM DTC)* 

    Result 

    RESULT REFERENCE
    
    

    Result	Proceed to
    No DTCs output	A
    DTCs output	B

    B:  GO TO STEP  12

    A Go to next step 

11. PROBLEM SYMPTOMS TABLE 

    NEXT:  GO TO STEP  14

12. DIAGNOSTIC TROUBLE CODE CHART 
13. CIRCUIT INSPECTION* 
14. IDENTIFICATION OF PROBLEM 
15. REPAIR OR REPLACE 
16. CONFIRMATION TEST* 

    NEXT: END