Test 2

Turn ignition switch and seat heater switch on. Check for battery voltage between Orange wire (driver's seat) or Orange/Blue wire (passenger's seat) on 14-pin connector and ground. If battery voltage does not exist, replace blown fuse No. 10 or No. 19 in underdash fuse box, faulty seat heater relay, faulty seat heater (ON/OFF) switch, or repair open in wire or faulty ground (G302); located at rear right corner of engine compartment.