How To Proceed With Troubleshooting

HINT:

• Use these procedures to troubleshoot the climate control seat 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. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* 
   1. Using the Techstream, check if the LIN communication system is functioning normally.

      Result 

      RESULT REFERENCE
      
      

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

   B: Go to LIN 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 

      RESULT REFERENCE
      
      

      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 REFERENCE
   
   

   Result	Proceed to
   Fault is not listed in problem symptoms table	A
   Fault is listed in problem symptoms table	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. REPAIR OR REPLACE 
8. CONFIRMATION TEST 

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