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:
Replacement
1. Remove battery
2. Remove battery carrier
Remove the 4 bolts and battery carrier.
3. Disconnect floor shift cable transmission control shift
Remove the nut from the control shaft lever.
disconnect the control cable from the control shaft lever.
remove the clip a ...
Replacement
1. Work for preventing gasoline from spilling out
2. Remove cylinder head cover no.2
Remove the 2 nuts, 2 clips and cylinder head cover.
3. Disconnect ventilation hose
Disconnect the ventilation hose from the cylinder head
cover.
4. Disconnect engine wire
Disconnect ...
Driving mode select switch
The driving modes can be
selected to suit driving condition.
Selecting a drive mode
Operate the driving mode select
switch forward or backward to select
the desired driving mode on the
multi-information display.
Normal mode
Provides an optimal balance of fuel
economy, quietness, and dynamic
perf ...


