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:
Cleaning and protecting the vehicle exterior
Perform the following to protect the vehicle and maintain it in prime condition:
● Working from top to bottom, liberally apply water to the vehicle body, wheel
wells and underside of the vehicle to remove any dirt and dust.
● Wash the vehicle body using a sponge or soft cloth, such a ...
Tire rotation
Rotate the tires in the order
shown.
Front
To equalize tire wear and extend
tire life, Toyota recommends that
tire rotation is carried out at the
same interval as tire inspection.
Vehicles with a tire pressure warning
system: Do not fail to initialize
the tire pressure warning system
after tire ...
Rear view monitor system precautions
■ Area displayed on screen
The rear view monitor system displays an image of the view from the bumper of
the rear area of the vehicle.
To adjust the image on the rear view monitor system screen.
• The area displayed on the screen may vary according to vehicle orientation
conditions.
...