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:
No sound is heard from speaker in all modes
Wiring diagram
Inspection procedure
1 Check lcd (liquid crystal display) for lighting
Lcd illumination check
turn the ignition switch acc.
Turn the radio receiver assembly on.
Standard: lcd illumination of the radio receiver assembly light.
2 Control fader and ...
Windshield wipers and washer
Operating the lever can use
the windshield wipers or the
washer.
NOTICE
■When the windshield is dry
Do not use the wipers, as they
may damage the windshield.
Operating the wiper lever
Operating the lever operates
the wipers or washer as follows.
(U.S.A.) or
(Canada)
Intermittent windshield ...
Instrument panel/meter
Preparation
Sst
Recomended tools
Equipment
Seat
Preparation
Equipment
Theft deterrent & door lock
Preparation
Recomended tools
...