Toyota 1996 LAND CRUISER User Manual page 697

DTC
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 sensors, judges whether or not the SRS must be activated, and diagnosis
system malfunction.
DTC 31 is recorded when occurrence of a malfunction in the airbag sensor assembly is detected.
DTC No.
31 S Airbag sensor assembly malfunction
INSPECTION PROCEDURE
HINT:
When a malfunction code other than code 31 is displayed at the same time, first repair the malfunction indi-
cated by the malfunction code other than code 31.
1 Preparation (See step 1 on page DI−271).
2 Check voltage at IG2 and ACC of airbag sensor assembly.
ON
Airbag Sensor Assembly
ACC
(−) (+)
AB0119
R14285
OK
1996 LAND CRUISER (RM451U)
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DIAGNOSTICS
31 Airbag Sensor Assembly Malfunction
DTC Detection Condition
PREPARATION:
Turn ignition switch ON.
CHECK:
Measure voltage between terminals IG2 and ACC of airbag
sensor assembly and body ground.
IG2
OK:
H00021
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Version 1.00 - 12/21/2010
− SUPPLEMENTAL RESTRAINT SYSTEM
S Airbag sensor assembly
Voltage: Below 16 V
NG Check battery and charging system (See page
CH−2).
DI−265
DI5QA−03
Trouble Area