Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.
Notice
: when replacing skid control ecu, sensor or etc., Turn the ignition switch to off.

Other materials:
Safety Connect services
■ Automatic Collision Notification
In case of either airbag deployment
or severe rear-end collision,
the system is designed to
automatically call the response
center. The responding agent
receives the vehicle's location
and attempts to speak with the vehicle occupants to assess the
level of emerge ...
Circuit description
When the ignition switch is turned on, battery positive voltage is applied to
the coilwhich closes the contacts
of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi
relay and supplyin ...
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 ...


