Page 1753 of 2543

(See page RS±72).
Check spiral cable.
(1) Disconnect connector between center airbag
sensor assembly and spiral cable.
(2) Release airbag activation prevention mechanism
on center airbag sensor assembly side of airbag
squib connector (See page RS±72).
For the connector (on the spiral cable side) between
the spiral cable and steering wheel pad, measure the
resistance between D
+ and D±.
Resistance: 1 M or higher
Check harness between center airbag sensor assembly and spiral cable.
(1) Disconnect center airbag sensor assembly
connector.
(2) Release airbag activation prevention mecha±
nism on center airbag sensor assembly
connector. (See page RS±72)
For connector (on the center airbag sensor assem-
bly side) between the spiral cable and center airbag
sensor assembly, measure the resistance between
D
+ and D±.
Resistance: 1 M or higher.
Repair or replace spiral cable.
Repair or replace harness or connector between
center airbag sensor assembly and spiral cable.
RS±70± SUPPLEMENTAL RESTRAINT SYSTEMTROUBLESHOOTING
Page 1754 of 2543
From the results of the above inspection, the malfunctioning part can now be considered normal. To
make sure of this, use the simulation method to check.
Connector center airbag sensor assembly connector.
For the connector (on the center airbag sensor as-
sembly side) between the spiral cable and center
airbag sensor assembly, measure he resistance
between D
+ and D±.
Resistance: 1 k or higher
Replace center airbag sensor assembly.
Check center airbag sensor assembly.
± SUPPLEMENTAL RESTRAINT SYSTEMTROUBLESHOOTINGRS±71
Page 1755 of 2543

Airbag Squib: P squib
(Front Passenger Airbag Assembly)
Airbag squib: D squib
(Steering Wheel Pad)
Front Airbag Sensor RH
Center Airbag
Sensor Assembly
Junction Block No.1
Front Airbag Sensor LH
Center Airbag Sensor Assembly Connector (Connector (1))
Airbag Squib Connector (Connector (2))
RELEASE METHOD OF AIRBAG ACTIVATION PREVENTION MECHANISM
An airbag activation prevention mechanism is built into the connector for the squib circuit of the SRS. When
release of the airbag activation prevention mechanism is directed in the troubleshooting procedure, as shown
in the illustration of the connector (1) and (2) below, insert paper which is the same thickness as the male termi-
nal, between the terminal and the short spring.
CAUTION:
wNEVER RELEASE the airbag activation prevention mechanism on the steering wheel pad
connector and front passenger airbag assembly connector.
NOTICE:
wDo not release the airbag activation prevention mechanism unless specifically directed by the
troubleshooting procedure.
wIf the paper inserted is too thick the terminal and short spring may be damaged, so always use paper
the same thickness as the male terminal. RS±72
± SUPPLEMENTAL RESTRAINT SYSTEMTROUBLESHOOTING
Page 1756 of 2543
DTC 14 Open in D Squib Circuit
CIRCUIT DESCRIPTION
The D squib circuit consists of the center airbag sensor assembly, spiral cable and the steering wheel pad. It
causes the airbag to deploy when the airbag deployment conditions are satisfied.
For details of the function of each component, see FUNCTION OF COMPONENTS on page RS±4. Diagnostic
trouble code 14 is recorded when an open is detected in the squib circuit.
DTC No.
Diagnosis
14
Open circuit in D+ wire harness or D± wire harness of squib.
D Squib malfunction.
Spiral cable malfunction.
Center airbag sensor assembly malfunction.
± SUPPLEMENTAL RESTRAINT SYSTEMTROUBLESHOOTINGRS±73
Page 1757 of 2543
INSPECTION PROCEDURES [P] Preparation [C] Check
Preparation.
(1) Disconnect negative (±) terminal cable from the
battery, and wait at least 90 seconds.
(2) Remove steering wheel pad (See page RS±10).
(3) Disconnect connector of front passenger airbag
assembly (See page RS±20).
Check D squib circuit.
Disconnect center airbag sensor assembly con-
nector.
For connector (on the spiral cable side) between
the spiral cable and steering wheel pad, measure
the resistance between D
+ and D±.
Resistance: Below 1
Store the steering wheel pad with the front sur-
face facing upward. RS±74
± SUPPLEMENTAL RESTRAINT SYSTEMTROUBLESHOOTING
Page 1758 of 2543
Check spiral cable.
Disconnect connector between center airbag sen-
sor assembly and spiral cable.
For connector (on the spiral cable side) between
the spiral cable and steering wheel pad, measure
the resistance between D
+ and D±.
Resistance: Below 1
Repair or replace spiral cable.
Check harness between center airbag sensor assembly and spiral cable.
For connector (on the center airbag sensor assem-
bly side) between the center airbag sensor assem-
bly and spiral cable, measure the resistance be-
tween D
+ and D±.
Resistance: Below 1
Repair or replace harness or connector between
center airbag sensor assembly and spiral cable.
± SUPPLEMENTAL RESTRAINT SYSTEMTROUBLESHOOTINGRS±75
Page 1759 of 2543

Check center airbag sensor assembly.
(1) Turn ignition switch to ACC or ON and wait at
least 20 seconds.
(2) Clear malfunction code stored in memory. (See
page RS±47)
(3) Turn ignition switch to LOCK, and wait at least
20 seconds.
(4) Turn ignition switch to ACC or ON, and wait at
least 20 seconds.
(5) Using SST, connect terminals Tc and E
1 of DLC1
and DLC2.
SST 09843±18020
(6) Check diagnostic trouble code.
Diagnostic trouble code 14 is not output.
Codes other than code 14 may be output at this
time, but they are not relevant to this check.
Replace center airbag sensor assembly.
(1) Connect connector to center airbag sensor
assembly.
(2) Connect connector between center airbag sensor
assembly and spiral cable.
(3) Using a service wire, connect D
+ and D± on spiral
cable side of connector between spiral cable and
steering wheel pad.
(4) Using a service wire, connect P
+ and P± on center
airbag sensor assembly side of connector between
center airbag sensor assembly and front passen±
ger airbag assembly.
(5) Connect negative (±) terminal cable to battery, and
wait at least 2 seconds. RS±76
± SUPPLEMENTAL RESTRAINT SYSTEMTROUBLESHOOTING
Page 1760 of 2543

From the results of the above inspection, the malfunctioning part can now be considered normal. To make
sure of this, use the simulation method to check.
Check D squib.
(1) Turn ignition switch to ACC or ON and wait at
least 20 seconds.
(2) Clear malfunction code stored in memory. (See
page RS±47)
(3) Turn ignition switch to LOCK, and wait at least
20 seconds.
(4) Turn ignition switch to ACC or ON, and wait at
least 20 seconds.
(5) Using SST, connect terminals Tc and E
1 of DLC1
and DLC2.
SST 09843±18020
(6) Check diagnostic trouble code.
Diagnostic trouble code 14 is not output.
Codes other than code 14 may be output at this
time, but they are not relevant to this check.
(1) Turn ignition switch to LOCK.
(2) Disconnect negative (±) terminal cable from the
battery, and wait at least 90 seconds.
(3) Connect steering wheel pad connector.
(4) Connect negative (±) terminal cable to battery,
and wait at least 2 seconds.
Replace steering wheel pad.
± SUPPLEMENTAL RESTRAINT SYSTEMTROUBLESHOOTINGRS±77