How To Proceed With Troubleshooting

HINT:

• Use the following procedures to troubleshoot the front power seat control system.
• *: Use the 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 the Techstream to check if the CAN communication system is functioning normally.

      Result 

      DTC OUTPUT RESULT
      
      

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

   B: Go to CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

   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 

      DTC OUTPUT RESULT
      
      

      Result	Proceed to
      DTC does not reoccur	A
      DTC reoccurs	B

   B: Go to step  7

   A: Go to Next Step 

5. PROBLEM SYMPTOMS TABLE 

   Result 

   RESULT CHART
   
   

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

   B: Go to step  7

   A: Go to Next Step 

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

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