Open In D Squib Circuit - Toyota T100 1996 Service Manual

DTC
CIRCUIT DESCRIPTION
The D squib circuit consists of the center airbag sensor assembly, spiral cable and steering wheel pad. It
causes the airbag to deploy when the airbag deployment conditions are satisfied.
For details of the function of each components, see OPERATION on page RS−2.
DTC 14 is recorded when an open is detected in the D squib circuit.
DTC No.
S Open circuit in D+ wire harness or D− wire harness of
squib
14 S D squib malfunction
S Spiral cable malfunction
S Center airbag sensor assembly malfunction
WIRING DIAGRAM
See page DI−373.
INSPECTION PROCEDURE
1 Preparation (See step 1 on page DI−396)
2 Check D squib circuit.
Spiral
Cable
D Squib
D−
(−)
H01001
H02142
OK
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
14

Open in D Squib Circuit

DTC Detecting Condition
Airbag
Sensor
Assembly
← →
D+
(+)
H02196
− SUPPLEMENTAL RESTRAINT SYSTEM
S Steering wheel pad (D squib)
S Spiral cable
S Center airbag sensor assembly
S Wire harness
PREPARATION:
(a) Disconnect center airbag sensor assembly connector.
(b) Using a service wire, connect D+ and D− on center airbag
sensor assembly side connector.
CHECK:
For the connector (on the spiral cable side) between the spiral
cable and steering wheel pad, measure the resistance between
D+ and D−.
OK:
Resistance: Below 1 Ω
NG Go to step 5.
Trouble Area
DI−385
DI987−01