P1142 Toyota HO2S12 Heater Circuit High
Possible causes
– Faulty HO2S12
– HO2S12 harness is open or shorted
– HO2S12 circuit poor electrical connection
– HO2S12 harness is open or shorted
– HO2S12 circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Toyota Vehicle:Toyota Prius,Toyota Celica,Toyota Supra,Toyota Carina,Toyota Camry,Toyota MR2,Toyota Aygo,Toyota 4Runner,Toyota Avalon,Toyota Camry,Toyota Corolla,Toyota FJ Cruiser,Toyota Highlander,Toyota Land Cruiser,Toyota Matrix,Toyota Prius,Toyota RAV4,Toyota Sequoia,Toyota Sienna,Toyota Solara,Toyota Tacoma,Toyota Tundra,Toyota Yaris,