SEAT HEATER SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   

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2. CUSTOMER PROBLEM ANALYSIS

   
   

   1. Interview the customer to confirm the problem.

      Click here

      Result
      Proceed to NEXT

   
   

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3. PRE-CHECK

   
   

   1. Measure the battery voltage.

      Standard Voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

   2. Check the fuses and relays.

   3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

      Result
      Proceed to NEXT

   
   

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4. CHECK FOR DTC*

   
   

   1. Clear the DTCs.

      
      Body Electrical > Air Conditioner > Clear DTCs

   2. Check for DTCs.

      
      Body Electrical > Air Conditioner > Trouble Codes

      Result
      Result Proceed to DTCs are not output A Air conditioning system DTCs are output B Seat heater system DTCs are output C

   
   

   B

   GO TO AIR CONDITIONING SYSTEM Click here

   C

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

5. PROBLEM SYMPTOMS TABLE

   
   

   1. Refer to Problem Symptoms Table.

      Click here

      Result
      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 Click here

   A

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Operation Check

      Click here

   2. Terminals of ECU*

      Click here

   3. Data List / Active Test*

      Click here

   4. Inspection

      
      

      • *: for Front Seat

      Result
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7. REPAIR OR REPLACE

   Result
   Proceed to NEXT

   
   

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8. CONFIRMATION TEST

   Result
   Proceed to NEXT

   
   

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   END