How To Proceed With Troubleshooting

HINT: 

• Use the following procedure to troubleshoot the intuitive parking assist system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. CUSTOMER PROBLEM ANALYSIS 

   NEXT: Go to next step 

3. INSPECT AUXILIARY BATTERY VOLTAGE 
   1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage

      11 to 14 V

      If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

      NEXT: Go to next step 

4. CHECK CAN COMMUNICATION SYSTEM* 
   1. Use the Techstream to check if the CAN Communication System is functioning normally.

      Result

      Result	Proceed to
      CAN communication system DTC is not output	A
      CAN communication system DTC is output	B

      B → Go to CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 

      A: Go to next step 

5. PROBLEM SYMPTOM CONFIRMATION 

   NEXT: Go to next step 

6. CHECK DTC* 
   1. Check for DTCs. Refer to DTC CHECK / CLEAR .

      Result

      Result	Proceed to
      DTC is output	A
      DTC is not output (Problem symptom does not occur)	B
      DTC is not output (Problem symptom occurs)	C

      B → Go to step 8 

      C → Go to step   9 

      A: Go to next step 

7. DIAGNOSTIC TROUBLE CODE CHART 
   1. Refer to Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .

      NEXT → Go to step   11 

8. SYMPTOM SIMULATION 
   1. Refer to Symptom Simulation. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

      NEXT: Go to next step 

9. PROBLEM SYMPTOMS TABLE 
   1. Refer to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .

      Result

      Result	Proceed to
      Fault is not listed in Problem Symptoms Table	A
      Fault is listed in Problem Symptoms Table	B

      B → Go to step 11 

      A: Go to next step 

10. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. Operation Check. Refer to OPERATION CHECK 
    2. Terminals of ECU. Refer to TERMINALS OF ECU 
    3. Data List / Active Test. Refer to DATA LIST / ACTIVE TEST 

       NEXT: Go to next step 

11. CIRCUIT INSPECTION* 

    NEXT: Go to next step 

12. IDENTIFICATION OF PROBLEM 

    NEXT: Go to next step 

13. REPAIR OR REPLACE 

    NEXT: Go to next step 

14. CONFIRMATION TEST* 

    NEXT → END