Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Diagnostic trouble code chart
Toyota Corolla (E120): Diagnostic trouble code chart
Hint
: as for the vehicle for mexico, refer to repair manual 2003 corolla (pub. No. Rm938u).
Parameters listed in the chart may not be exactly the same as your readings due to the type of instrument or other factors.
If a malfunction code is displayed during the dtc check in the check mode, check the circuit for the codes listed in the table below. For details of each code, refer to the ’’’’ under the respective ’’dtc no.’’ In the dtc chart.





*1: ” ○” ... Mil is illuminated, ”—” ... Mil is not illuminated.
*2: Mil is illuminated or blinks *3: this dtc is indicate a malfunction related to primary circuit.
Other materials:
Inspection
1. Power window system circuit
2. Inspect power window regulator master switch assy
Inspect the master switch continuity.
[Driver’s switch (window unlock and lock)]
Standard:
[Front passenger’s switch (window unlock)]
standard:
[Front passenger’s switch (window lock)]
...
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...
For vehicles equipped with srs airbag and seat belt pretensioner
Hint:
the vehicle is equipped with an srs (supplemental restraint system), such as the
horn button assembly,
the instrument panel passenger airbag assembly, the front seat airbag assembly,
the center airbag sensor
assembly, the front airbag sensor, the side airbag sensor and the seat belt
p ...


