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:
Inspection procedure
1 Check security indicator light
Remove the security indicator.
check the indicator light, as shown in the illustration and
table.
Standard:
2 Check wire harness (tvip ecu security indicator)
Disconnect the tvip ecu and security indicator connectors.
  ...
Body panel anti-rust agent (wax) application areas
Apply rustop w to the doors and hood edges (tips of outer panel folded parts)
and undersides, areas around
hinges, etc.To prevent rust. Coat the undersides of the edges using a nozzle and
air gun, and coat the areas around
the hinges using a brush.
Hint:
if rustop is unnecessarily ...
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 ...


