Toyota Corolla (E170) 2014–2019 Owners Manual / When trouble arises / Essential information
Toyota Corolla (E170): Essential information
Other materials:
Drive shaft / propeller shaft
Preparation
Sst
Recomended tools
Equipment
Lubricant
...
Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front
seat airbag assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the front seat airbag assy ...
Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the
exhaust gas. For optimum
catalytic converter operation, the air fuel mixture must be maintained near the
ideal ”stoichiometric” ratio.
The heated oxygen sensor output voltage changes suddenly in the vicinity of ...


