Toyota Corolla (E170) 2014–2019 Owners Manual / Instrument cluster / Eco Driving Indicator (except vehicles with a manual transmission)
Toyota Corolla (E170): Eco Driving Indicator (except vehicles with a manual transmission)
Other materials:
Replacement
Hint: components:
1. Place front wheels facing straight ahead
2. Remove front wheels
3. Remove engine under cover lh
4. Remove engine under cover rh
5. Remove exhaust pipe
6. Drain transaxle oil
7. Remove hood sub–assy
8. Remove cylinder head cover no.2
9. Remove air cleaner assy
10. R ...
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 ...
Electronic control
Removal and installation of battery terminal
before performing electrical work, disconnect the
battery negative (–) terminal cable beforehand so
as to prevent burnt–out damage by short.
When disconnecting and installing the terminal
cable, turn the ignition switch an ...