Seat Cushion Heater Check
WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
Measure the resistance between terminals.
Standard value: At room temperature 20°C (68°F)
Between heated seat assembly terminals 1 and seatback heater terminal 1: 3.84 ± 4.69 ohms
Between heated seat assembly terminals 2 and seatback heater terminal 1: 0.14 ± 0.18