Toyota Corolla (E210) 2019-2026 Owners Manual / When trouble arises
Toyota Corolla (E210): When trouble arises
- Essential information
- Emergency flashers
- If your vehicle has to be stopped in an emergency
- If the vehicle is submerged or water on the road is rising
- Steps to take in an emergency
- If your vehicle needs to be towed
- If you think something is wrong
- If a warning light turns on or a warning buzzer sounds
- If a warning message is displayed
- If you have a flat tire
- If the engine will not start
- If the electronic key does not operate properly (vehicles with a smart key system)
- If the vehicle battery is discharged
- If your vehicle overheats
- If the vehicle becomes stuck
Other materials:
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 ...
Monitor description
Dtc p0451, p0452 or p0453 is recorded by the ecm when the vapor pressure
sensor malfunctions.
P0451
The ecm senses pressure in the fuel tank using the vapor pressure sensor. The
ecm supplies the sensor
with a regulated 5 v reference–voltage and the sensor returns a signal voltage
betwee ...
Inspection procedure
1 Inspect transmission wire(sl)
Disconnect the transmission wire connector from the
transaxle.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check harness and connector(transmission wire – ecm)
Connect the transmission wire c ...


