Toyota Corolla (E170) 2014–2019 Owners Manual / For safety and security / For safe use / For safety drive
Toyota Corolla (E170): For safety drive
For safe driving, adjust the seat and mirror to an appropriate position before driving.
Other materials:
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 ...
Brake
Preparation
Sst
Recomended tools
Equipment
Lubricant
...
Circuit description
The variable valve timing (vvt) system includes the ecm, the oil control
valve (ocv) and the vvt controller.
The ecm sends a target ”duty–cycle” control signal to the ocv. This control
signal, applied to the ocv,
regulates the oil pressure supplied to the vvt controller. Camshaft timin ...