Toyota Corolla (E170) 2014–2019 Owners Manual / When trouble arises / Steps to take in an emergency / If a warning message or indicator is displayed (vehicles with a multi-information
display)
Toyota Corolla (E170): If a warning message or indicator is displayed (vehicles with a multi-information display)
If a warning is shown on the multi-information display, stay calm and perform the following actions:
1 Master warning light The master warning light also comes on or flashes in order to indicate that a message is currently being displayed on the multiinformation display.
2 Multi-information display

If any of the warning message or indicator comes on again after the following actions have been performed, contact your Toyota dealer.
- Warning message and warning buzzer list
- Have the malfunction repaired immediately. (vehicles with a smart key system)
Other materials:
Warning lights
Warning lights inform the driver of malfunctions in the indicated vehicle’s systems.
*1: Vehicles without a smart key system:
These lights turn on when the engine switch is turned to the “ON” position to indicate
that a system check is being performed. They will turn off after the engi ...
Key confinement prevention function does not work
properly (unlock warning switch circuit)
Circuit description
The unlock warning switch turns on when the key is inserted in the ignition
key cylinder and the door courtesy
switch turns on when the driver’s door is opened, and the integration relay
monitors both switches conditions.
According to these switches conditions, the int ...
Inspection procedure
Hint:
if dtcs p0115, p0116, p0117, p0118 and p0125 are output
simultaneously, the engine coolant temperature
sensor circuit may be open or short. Perform the troubleshooting of dtc
p0115, p0117 or
p0118 first.
Read freeze frame data using the hand-held tester or the obd ii scan
to ...


