Toyota Corolla (E170) 2014–2019 Owners Manual / Interior features / Using an external device
Toyota Corolla (E170): Using an external device
Other materials:
Instrument panel
Engine switch
Starting the engine/changing the positions*1
Starting the engine/changing the modes*2
Emergency stop of the engine
When the engine will not start
Warning messages
Shift lever
Changing the shift position
Precautions for towing
When the shift lever does not move
Meters
Read ...
Circuit description
When the ignition switch is turned on, battery positive voltage is applied to
the coilwhich closes the contacts
of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi
relay and supplyin ...
Data list/active test
1. Data list
Hint:
according to the data list displayed by the obd ii scan tool or hand–held
tester, you can read the value
of the switch, sensor, actuator and so on without parts removal. Reading the
data list as the first step of
troubleshooting is one method to shorten labor time.
W ...


