Toyota 1996 LAND CRUISER User Manual page 703

DTC Normal
CIRCUIT DESCRIPTION
The SRS is equipped with a voltage−increase circuit (DC−DC converter) in the airbag sensor assembly in
case the source voltage drops.
When the battery voltage drops, the voltage−increase circuit (DC−DC converter) functions to increase the
voltage of the SRS to normal voltage.
The diagnosis system malfunction display for this circuit is different to other circuits−when the SRS warning
light remains lit up and the DTC is a normal code, source voltage drop is indicated.
Malfunction in this circuit is not recorded in the airbag sensor assembly, and the source voltage returns to
normal, the SRS warning light automatically goes off.
DTC No.
Normal Source voltage dorp
WIRING DIAGRAM
B
2
2
2
2
Battery
1996 LAND CRUISER (RM451U)
Brought to you by BirfMark
DIAGNOSTICS
Source Voltage Drop
DTC Detection Condition
6
3
L−R
B
4
EA2
3 6
B−R
11
W−R
EA2
Ignition
Switch
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Version 1.00 - 12/21/2010
− SUPPLEMENTAL RESTRAINT SYSTEM
S Battery
S Airbag sensor assembly
1 CIG
2 GR
A A GR
J3 Junction
Connector
IGN
1 B−L
2
F/B
Trouble Area
4
4
GR
10
S5 S4
ACC
3 3
9
B−W
S4 IG2
S5
Short Connector
Airbag Sensor
Assembly
DI−271
DI5QC−03
R13678