DESCRIPTION
Seat heater system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform repairs.
CHECK DLC3
INSPECT BATTERY
Check the battery voltage.
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.