How To Proceed With Troubleshooting

HINT:

• Use the following procedures to troubleshoot the power back door system.
• *: Use 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 COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Use Techstream to 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 

   A: Go to next step 

4. CHECK FOR DTC* 
   1. Check for DTCs (See DIAGNOSIS SYSTEM ).
   2. Clear the DTCs (See DIAGNOSIS SYSTEM ).
   3. Recheck for DTCs (See DIAGNOSIS SYSTEM ).

   Result 

   RESULT CHART
   
   

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

   B: Go to DIAGNOSTIC TROUBLE CODE CHART 

   A: Go to next step 

5. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT CHART
   
   

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

   B: Go to step 7 

   A: Go to next step 

6. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Operation check (See OPERATION CHECK )
   2. Terminals of ECU (See TERMINALS OF ECU )
   3. Data List/Active Test (See DATA LIST/ACTIVE TEST )
7. REPAIR OR REPLACE 
8. CONFIRMATION TEST 

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