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:
Content of driving information
■ Display items
Speedometer display/Driving
range
Fuel economy
Eco Driving Indicator/Driving
range
■ Speedometer display/Driving
range
Speedometer display
Driving range
Displays driving range with remaining
fuel. Use the displayed values
as a reference only.
This distance is computed ...
Initialization
Select “Initialize” using .
● Initializing the sound settings
Select “Sound setting” using and press
(YES).
For details about sound settings: ● Initializing the device information
Select “Car Device Info” using and
press (YES).
Automatic connection of a portable ...
Inspection procedure
1 Inspect skid control ecu connector(+bs terminal voltage)
Disconnect the skid control ecu connector.
measure the voltage between terminals +bs (2) and gnd
(1, 23) of skid control ecu harness side connector.
Voltage: 10 – 14 v
2 Reconfirm dtc
Check the dtc .
Ok :
...


