Toyota Camry Manual page 1783

DI–756
DTC B1100/31
CIRCUIT DESCRIPTION
The airbag sensor assembly consists of a airbag sensor, 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 assembly is detected.
DTC No.
D Airbag sensor assembly malfunction
B1100/31
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.
1 Prepare for inspection. (See step 1 on page DI–787)
2 Check voltage at IG2 and ACC of airbag sensor assembly.
Airbag Sensor Assembly
ON
ACC
(–) (+)
AB0119
H01298
OK
DIAGNOSTICS
Airbag Sensor Assembly Malfunction
DTC Detecting Condition
CHECK:
(a) Turn ignition switch to ON.
(b) Measure the voltage between body ground and terminals
each of IG2 and ACC of the airbag sensor assembly con-
IG2 nector.
OK:
Voltage: 10 – 14 V
H01299
NG
– SUPPLEMENTAL RESTRAINT SYSTEM
D Airbag sensor assembly
Check that an abnormality occurs on the battery
and charging system.
Author :
Trouble Area
Date :
DI1BM–18
991