Posts Tagged: P1135 Toyota

P1135 Toyota

November 13, 2016

Diagnose and fix a P1135 Toyota trouble code A P1135 Toyota trouble code is defined as A/F sensor heater circuit malfunction (Bank 1 Sensor 1). Air/fuel sensors don’t start providing data to the PCM until they reach a certain temperature. To speed up the heating and not rely solely on exhaust heat, the air/fuel sensor has a built in heater. Causes of P1135 Toyota Rav 4 trouble code We’ll use a 2002 Toyota RAV 4 in this example. Since this P1135 Toyota code refers to the heater circuit, that’s where … Read More