H01001
H02146
AB0119
H11570
D Squib
Spiral
Cable
Airbag
Sensor
Assembly
D+
(-)
(+)
ON
DI-384
-
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
538
Author:
Date:
2001 SIENNA (RM787U)
DTC
B0103/12
Short in D Squib Circuit (to B+)
CIRCUIT DESCRIPTION
The D squib circuit consists of the airbag sensor assembly, spiral cable and steering wheel pad.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page
DTC B0103/12 is recorded when a B+ short is detected in the D squib circuit.
DTC No.
DTC Detecting Condition
Trouble Area
B0103/12
Short circuit in D squib wire harness (to B+)
D squib malfunction
Spiral cable malfunction
Airbag sensor assembly malfunction
Steering wheel pad (D squib)
Spiral cable
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
See page
INSPECTION PROCEDURE
1
Prepare for inspection (See step 1 on page
).
2
Check D squib circuit.
CHECK:
(a)
Turn ignition switch to ON.
(b)
For the connector (on the spiral cable side) between the
spiral cable and the steering wheel pad, measure the volt-
age between D+ and body ground.
OK:
Voltage: 0 V
NG
OK
DI4DN-05