Toyota Corolla (E120): Emission control

Fuel

Engine mechanical

Other materials:

Vehicle control system
Ignition or starter switch assy Replacement 1. Remove steering column cover 2. Remove ignition or starter switch assy Disconnect the ignition switch connector and unlock warning switch connector.  remove the 2 clamps.  remove the 2 screws and ignition switch. Inspectio ...

Check dlc3
The vehicle’s ecm uses the iso 9141–2 for communication protocol. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 9141–2 format. Hint: if the display shows unable to connect to vehicle when you have connected the cable of the obd ii scan tool or the h ...

Circuit description
Refer to dtc p0130 Hint: the ecm provides a pulse width modulated control circuit to adjust current through the heater. The heated oxygen sensor heater circuit uses a relay on the b+ side of the circuit. Monitor description The ecm uses the heated oxygen sensor information to regulate t ...