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:
Circuit description
The airbag front rh sensor circuit consists of the airbag sensor assy center
and airbag front rh sensor.
Dtc b1156/b1157/15 is recorded when a malfunction is detected in the airbag
front rh sensor circuit.
Wiring diagram
...
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...
Replacement
Hint: components:
1. Remove front wheel
2. Remove front axle hub lh nut
sst 09930–00010
3. Separate front stabilizer link assy lh
4. Separate speed sensor front lh (w/ abs)
5. Separate front disc brake caliper assy lh
Remove the 2 bolts, separate the brake caliper assy ...


