How To Proceed With Troubleshooting

HINT

• Use the following procedures to troubleshoot the intuitive parking assist system
• * Use the Techstream

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 

   Refer to How to Proceed with Troubleshooting (See HOW TO PROCEED WITH TROUBLESHOOTING )

3. CHECK AND CLEAR DTC * 

   Refer to DTC CHECK / CLEAR 

4. CHECK INITIAL CHECK FUNCTION 

   Refer to OPERATION CHECK 

   Result 

   RESULT
   
   

   Result	Proceed to
   Symptom does not occur	A
   Symptom occurs	B

   B: Go to step  6

   A: Go to next step 

5. SYMPTOM SIMULATION 

   Refer to How to Proceed with Troubleshooting (See HOW TO PROCEED WITH TROUBLESHOOTING ).

6. CHECK MULTIPLEX COMMUNICATION SYSTEM* 

   Refer to How to Proceed with Troubleshooting (See HOW TO PROCEED WITH TROUBLESHOOTING )

   HINT

   This ECU is connected to the multiplex communication system Therefore, be sure to check that there are no problems in the multiplex communication system before performing troubleshooting

7. CHECK CAN COMMUNICATION SYSTEM* 

   Refer to How to Proceed with Troubleshooting (See HOW TO PROCEED WITH TROUBLESHOOTING )

   HINT

   This ECU is connected to the CAN communication system.

   Therefore, be sure to check that there are no problems in the CAN communication system before performing troubleshooting

8. DTC CHECK* 

   *: Refer to DTC CHECK / CLEAR  .

   Result 

   RESULT
   
   

   Result	Proceed to
   DTC is output	A
   DTC is not output	B

   B: Go to step  10

   A: Go to next step 

9. DTC CHART 

   Refer to DIAGNOSTIC TROUBLE CODE CHART 

   NEXT: Go to step  11

10. PROBLEM SYMPTOMS TABLE 

    Refer to PROBLEM SYMPTOMS TABLE 

11. CIRCUIT INSPECTION 
12. IDENTIFICATION OF PROBLEM 
13. REPAIR OR REPLACE 
14. CONFIRMATION TEST 

    NEXT: END