Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Airbag sensor assy malfunction / Circuit description
Toyota Corolla (E120): Circuit description
The airbag sensor assy center consists of a airbag sensor assy center, safing sensor, drive circuit, diagnosis circuit and ignition control, etc.
It receives signals from the airbag sensor, judges whether or not the srs must be activated, and detects diagnosis system malfunction.
Dtc b1100/31 is recorded when occurrence of a malfunction in the airbag sensor assy center is detected.

Inspection procedure
Hint
: when a malfunction code other than code b1100/31 is displayed at the same time, first repair the malfunction indicated by the malfunction code other than code b1100/31.
Other materials:
Meter display
■ Locations of gauges and meters
Engine coolant temperature gauge
Displays the engine coolant temperature
Outside temperature
Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF
(60ºC)
Analog speedometer/Tachometer
This setting can be changed on the setting scr ...
Child restraint system
fixed with a seat belt
A child restraint system for a
small child or baby must itself be
properly restrained on the seat
with the lap portion of the
lap/shoulder belt.
■ Installing child restraint
system using a seat belt
(child restraint lock function
belt)
Install the child restraint system
in accordance to the operat ...
Under hood
General maintenance
1. General notes
maintenance requirements vary depending on the country.
Check the maintenance schedule in the owner’s manual supplement.
Following the maintenance schedule is mandatory.
Determine the appropriate time to service the vehicle using either miles
driv ...


