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:
Circuit description
Refer to dtc c0200/31, c0205/32, c1235/35, c1236/36
Hint:
Dtc no. C0210/33, c1238/38 is for the right rear speed sensor.
Dtc no. C0215/34, c1239/39 is for the left rear speed sensor.
Wiring diagram
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Things you should know
■ If you notice any symptoms
If you notice any of the following symptoms, refer to the likely cause and the
solution, and re-check.
If the symptom is not resolved by the solution, have the vehicle inspected by
your Toyota dealer.
CAUTION
■When using the rear view monitor system ...
Replacement
Hint: components:
1. Table of bolt, screw and nut
Notice:
be sure to tape the tip of the screwdriver when using it to disengage the
meshing of the clips and
claws.
Hint:
indicate the bolts, screws and nuts, which are necessary for installation and
removal of the instrument panel,
in th ...