Toyota Corolla (E170) 2014–2019 Owners Manual / Maintenance and care / Do-it-yourself maintenance / Engine compartment
Toyota Corolla (E170): Engine compartment
1 Washer fluid tank
2 Engine oil filler cap
3 Engine oil level dipstick
4 Brake fluid reservoir
5 Battery
6 Fuse box
7 Electric cooling fan
8 Engine coolant reservoir
9 Condenser
10 Radiator
Other materials:
Floor shift parking lock cable assy (atm)
Replacement
1. Precaution
2. Disconnect battery negative terminal
3. Place front wheels facing straight ahead
4. Remove horn button assy
5. Remove steering wheel assy
sst 09950–50013 (09951–05010, 09952–05010, 09953–05020, 09954–05021)
6. Remove steering column cover
7. Remove c ...
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 ...
Precaution
Caution:
replace the faulty parts of the seat belt systems (outer belt, inner belt,
bolts, nuts, adjustable shoulder
anchor, tether anchor hardware, sill–bar, etc.).
Seat belt systems not in use at the time of a collision should also be inspected
and replaced if found
to be damaged or wo ...