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 11V, 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 TABLE
      
      

      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 DTC CHECK/CLEAR  ).
   2. Clear the DTCs (See DTC CHECK/CLEAR  ).
   3. Recheck for DTCs (See DTC CHECK/CLEAR  ).

      Result 

      RESULT TABLE
      
      

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

   B:  Go to DIAGNOSTIC TROUBLE CODE TABLE 

   A: Go to next step 

5. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT TABLE
   
   

   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. See OPERATION CHECK 
   2. See TERMINALS OF ECU 
   3. See DATA LIST/ACTIVE TEST 
7. REPAIR OR REPLACE 
8. CONFIRMATION TEST 

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