How To Proceed With Troubleshooting

HINT:

• Use the procedure to troubleshoot the advanced parking guidance system
• * Use the Intelligent tester or 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. CHECK IF SAME SYMPTOM APPEARS IN NAVIGATION SYSTEM 
   1. Refer to the navigation system

      Result 

   RESULT CHART
   
   

   Result	Proceed to
   Symptom does not appear	A
   Symptom appears	B

   B: Go to NAVIGATION SYSTEM  (See PROBLEM SYMPTOMS TABLE )

   A: Go to next Step 

4. INSPECT COMMUNICATION OF CAN COMMUNICATION SYSTEM* 
   1. Using the Intelligent tester or Techstream, check if the CAN communication system is functioning normally.

      Result 

   RESULT CHART
   
   

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

   B: Go to CAN COMMUNICATION SYSTEM  (See CAN COMMUNICATION SYSTEM )

   A: Go to next Step 

5. CHECK FOR DTC* 
   1. Check for DTCs and note any codes that are output (see DTC CHECK/CLEAR ).
   2. Clear the DTC (see DTC CHECK/CLEAR )
   3. Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.

      Result 

   RESULT CHART
   
   

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

   B:  Go to step  8

   A: Go to next Step 

6. PROBLEM SYMPTOMS TABLE 
   1. Refer to the problem symptoms table (see PROBLEM SYMPTOMS TABLE )

      Result 

   RESULT CHART
   
   

   Result	Proceed to
   Fault is not listed in problem symptoms table	A
   Fault is listed on problem symptoms table	B

   B:  Go to step  8

   A: Go to next Step 

7. OVERALL ANALYSIS AND TROUBLESHOOTING 
   1. Terminals of ECU (see TERMINALS OF ECU )
   2. Data List / Active Test (see DATA LIST / ACTIVE TEST )
8. ADJUST, REPAIR OR REPLACE 
9. CONFIRMATION TEST 

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