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:
Checking and replacing fuses
If any of the electrical components
do not operate, a
fuse may have blown. If this
happens, check and replace
the fuses as necessary.
Checking and replacing
fuses
1. Turn the engine switch off.
2. Open the fuse box cover.
Engine compartment: type A
fuse box
Push the tabs in and lift the lid off.
E ...
Floor shift cable transmission control shift
Replacement
Hint: components:
1. Remove air conditioner unit assy
Hint:
refer to the instructions for removal of the air conditioner unit assy.
2. Separate air bag sensor assy center
remove the 3 bolts, separate the airbag sensor assy center.
3. Remove exhaust pipe assy
4. Remo ...
Steering wheel audio switches
Some audio features can be controlled using the switches on the steering wheel.
Operation may differ depending on the type of audio system or navigation system.
For details, refer to the manual provided with the audio system or navigation system.
Operating the audio system using the steering whe ...