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:
Bluetooth®
■When using the Bluetooth® audio system
●In the following situations, the system may not function.
• The portable player does not support Bluetooth®
• The cellular phone is located outside the service area
• The Bluetooth® device is switched off
• The Bluetooth® device h ...
Check and replace ecu
Notice:
start an inspection of the connector from the backside
of the connector on the wire harness side with
the connector connected to the ecu.
When no measurement condition is specified, perform
the inspection with the engine stopped and also
the ignition switch on.
First check the ec ...
On–vehicle inspection
1. Inspect for electrical door lock operation
Hint:
w/ power window:
the door control switch is built in the master switch in the driver’s door
and also in the passenger’s
door.
W/o power window:
the door control switch is in the driver’s door and also in the passenger’s
d ...