Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Diagnostic trouble code chart
Toyota Corolla (E120): Diagnostic trouble code chart
Diagnostic trouble code chart

Location

Other materials:
Speed sensor front lh
Replacement
Hint:
replace the rh side by the same procedure as the lh side.
1. Remove front wheel
2. Remove front fender liner lh
3. Remove speed sensor front lh
Disconnect the speed sensor wire harness clamp from
the body.
disconnect the speed sensor connector.
Remo ...
Inspection procedure
Hint:
start the inspection from step 1 in case of using the hand–held tester and start
from step 2 in case of not
using the hand–held tester.
1 Perform active test by hand–held tester(abs warning light)
Check that ”on” and ”off” of the abs warning light can be shown on the
...
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 ...


