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:
Clutch
Preparation
Sst
Recomended tools
Equipment
Lubricant
...
Terminals of ecu
1. Inspect integration relay
Disconnect the connector from the integration relay.
check the continuity between each terminal of the disconnected connector
and the body ground, as
shown in the illustration and table.
Standard:
If the result is not as specified, the vehicle’s ...
For vehicles equipped with mobile communication system
Install an antenna as far as possible away from the ecu
and sensors of the vehicle’s electronic systems.
install an antenna feeder at least 20 cm (7.87 In.) Away
from the ecu and sensors of the vehicle’s electronic systems.
For details of the ecu and sensors locations, refer ...


