Toyota Corolla (E170) 2014–2019 Owners Manual / When trouble arises / Steps to take in an emergency
Toyota Corolla (E170): Steps to take in an emergency
- If your vehicle needs to be towed
- If you think something is wrong
- Fuel pump shut off system
- If a warning light turns on or a warning buzzer sounds
- If a warning message or indicator is displayed (vehicles with a multi-information display)
- If you have a flat tire
- If the engine will not start
- If the shift lever cannot be shifted from P (except vehicles with a manual transmission)
- 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 ...
General information
There are many ecu controlled systems used in the corolla. In general, ecu
controlled system are considered
to be very intricate and require a high level of technical knowledge and expert
skill to troubleshoot.
The fact is, however, that if you proceed by inspecting the circuits one by one, ...
Inspection procedure
Hint:
hand–held tester only:
narrowing down the trouble area is possible by performing ”a/f control” active
test (heated oxygen
sensor or other trouble areas can be distinguished).
Perform active test using hand–held tester (a/f control).
Hint:
”a/f control” is the active te ...