Toyota Corolla (E170) 2014–2019 Owners Manual / Maintenance and care / Maintenance / General maintenance / Vehicle exterior
Toyota Corolla (E170): Vehicle exterior
CAUTION
■If the engine is running
Turn the engine off and ensure that there is adequate ventilation before performing maintenance checks.
Other materials:
Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument
panel passenger airbag assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connector between the airbag sensor
assy center and the instrument panel ...
Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located
before and after the catalyst
to determine whether or not the catalyst performance has deteriorated.
Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen
sensor in front of the catalyst
alterna ...
Rear suspension
Preparation
Sst
Recomended tools
Equipment
Tire & wheel
Preparation
Equipment
...