Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled
systems / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circuits or parts should be checked.
Hint: when the problem is not detected by the diagnostic system even though the problem symptom is present, it may be that the problem is occurring outside the detection range of the diagnostic system.

Other materials:
What to do if... (Troubleshooting)
If there is a problem with the hands-free system or a Bluetooth® device, first
check the table below.
► When using the hands-free system with a
Bluetooth® device
► When registering/connecting a cellular
phone
► When making/receiving a call
► When using the p ...
Power steering
Preparation
Sst
Recomended tools
Equipment
Lubricant
Ssm
...
Power outlet
The power outlet can be used
for 12 V accessories that run on
less than 10 A.
Lift the lid while pulling up the
knob and open the power outlet
lid.
■The power outlet can be used
when
The engine switch is in ACC or ON.
■When turning the engine switch
off
Disconnect electrical devices with
charg ...


