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:
Diagnostic trouble code chart
If a dtc is displayed during the dtc check, check the circuit listed in the
table below and proceed to the
page given.
* :● ... Mil light up
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Inspection procedure
1 Check airbag sensor assy center connector
Disconnect negative (–) terminal cable from the battery, and wait at
least for 90 seconds.
check the connection of the airbag sensor assy center connectors.
2 Check air bag sensor assy center
Sst 09843–18040
Connect the n ...
Circuit description
The seat belt buckle switch (lh) circuit consists of the airbag sensor assy
center and front seat inner belt
assy (lh).
Dtc b0126/b0127/27 is recorded when a malfunction is detected in the seat belt
buckle switch (lh) circuit.
Wiring diagram
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