Toyota Corolla (E120): Fuel

Diagnostics

Emission control

Other materials:

Trip information
■ Switching the display Items displayed can be switched by pressing the “DISP” switch. ■ Odometer Displays the total distance the vehicle has been driven. Except vehicles with a manual transmission: Press and hold the “DISP” switch to change the display to the Eco Driving ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

Circuit description
In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the c ...