Toyota Corolla (E120): Components

Other materials:
How to scroll
: Select to scroll to the next or
previous page.
: If
appears to the right of titles, the
complete titles are too long for the display. Select this button to scroll the title.
Turn the “TUNE/SCROLL” knob to move the cursor box to select a desired item from
the list, and press the ...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtcs and freeze frame data
4 Problem symptom confirmation
Symptom does not occur: go to
step 5
Symptom occurs: go to step 6
5 Symptom simulation
6 Dtc check
There is no
output: go to step 7
There is outp ...
Circuit description
The fuel trim is related to the feedback compensation value, not to the basic
injection time. The fuel trim includes
the short–term fuel trim and the long–term fuel trim.
The short–term fuel trim is the short–term fuel compensation used to maintain
the air–fuel ratio at stoichiomet ...


