Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled
systems / Customer problem analysis
Toyota Corolla (E120): Customer problem analysis
Hint
:
- in troubleshooting, the problem symptoms must be confirmed accurately, meaning that all preconceptions must be set aside in order to make an accurate judgement. To ascertain what the problem symptoms are, it is extremely important to ask the customer about the problem and conditions when it occurred.
- The following 5 items are important points in the problem analysis. Past problems which are thought to be unrelated and the repair history, etc. May also help in some cases. Therefore, as much information as possible should be gathered and its relationship with the problem symptoms should be correctly ascertained for use as reference in troubleshooting. A customer problem analysis table is provided for your use in the diagnostics section for each system.

(Sample) supplemental restraint system check sheet.

Other materials:
Inspection procedure
Hint:
read freeze frame data using the hand–held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, th ...
Types of child restraints
Child restraint systems are classified into the following 3 types according to
the age and size of the child:
► Rear facing - Infant seat/convertible seat
► Forward facing - Convertible seat
► Booster seat
■Selecting an appropriate child restraint system
●U ...
Registering a Bluetooth® device
Before using the Bluetooth® audio/phone, it is necessary to register a Bluetooth®
device in the system. You can register up to 5 Bluetooth® devices.
How to register a Bluetooth® device
1 Press and select “Bluetooth*”
using .
2 Press and select “BT Pairing”
using .
A passkey w ...


