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:
Using a Bluetooth® Phone
The hands-free system is a function that allows you to use your cellular phone
without touching it.
This system supports Bluetooth®. Bluetooth® is a wireless data system that allows
the cellular phone to wirelessly connect to the hands-free system and make/receive
calls.
Before making a ph ...
When the contact is empty
You can transfer the phone numbers in a Bluetooth® phone to the system.
Operation methods differ between PBAP (Phone Book Access Profile) compatible
and PBAP incompatible Bluetooth® phones. If the cellular phone does not support
either PBAP or OPP (Object Push Profile) service, you cannot tra ...
Wireless charger (if
equipped)
A portable device, such as a
smartphone or mobile battery,
can be charged by just placing it
on the charging area, provided
the device is compatible with the
Qi wireless charging standard
created by the Wireless Power
Consortium.
The wireless charger cannot be
used with a portable device that is la ...


