SEAT  SEAT HEATER SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  

Interview the customer to confirm the problem.

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.

Check the fuses and relays.

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

Refer to Problem Symptoms Table.

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Result:

Result	Proceed to
Fault is not listed in Problem Symptoms Table	A
Fault is listed in Problem Symptoms Table	B

Operation Check

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Terminals of ECU

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Inspection