P1135 SCION Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank 1 Sensor 1
Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 harness is open or shorted– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit poor electrical connection – Faulty Engine