Toyota Corolla (E120): Components

Other materials:
On–vehicle inspection
1. Check cooling fan operation with low temperature (below 83 c (181 f))
Turn the ignition switch on.
check that the cooling fan stops.
Hint:
if not, check the cooling fan relay and water temperature sensor, and check for
separated connector or severed
wire between the cooling fan ...
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 ...
Setting speed dials
1 Select “Add SD” using . 2 Select
the desired data using .
3 Press and hold the desired preset button (from
to
).
For details about setting speed dials from the call history: For details about
deleting speed dials: ...


