Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21q2h73z b010114
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05-800
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM 0525E-06
DTC B0101/14 OPEN IN D SQUIB CIRCUIT
CIRCUIT DESCRIPTION
The D squib circuit consists of the airbag sensor assy center, the spiral cable sub-assy and the horn button
assy.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0101/14 is recorded when an open circuit is detected in the D squib circuit.
DTC No. DTC Detecting Condition Trouble Area
S The airbag sensor assy center receives an open circuit signal
S Horn button assy (D squib)
in the D squib circuit for 2 seconds.
S Spiral cable sub-assy
B0101/14 S D squib malfunction
S Airbag sensor assy center
S Spiral cable sub-assy malfunction
S Instrument panel wire
S Airbag sensor assy center malfunction
WIRING DIAGRAM
See page 05-795 .
INSPECTION PROCEDURE
1 CHECK D SQUIB CIRCUIT(AIRBAG SENSOR ASSY CENTER - HORN BUTTON
ASSY)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (-) terminal cable from the bat-
Airbag tery, and wait for at least 90 seconds.
D Squib Spiral
A Sensor (c) Disconnect the connectors from the airbag sensor assy
Cable
Assy center and the horn button assy.
Sub-assy B
F E D C (d) Measure the resistance according to the value(s) in the
Center
table below.
Standard:
D- D+ Tester connection Condition Specified condition
D+ - D- Always Below 1
Color: Orange
H41439 H43064
NG Go to step 4
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 983
05-801
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
2 CHECK AIR BAG SENSOR ASSY CENTER
(a) Connect the connector to the airbag sensor assy center.
(b) Using a service wire, connect D+ and D- of connector "E".
D Squib Airbag NOTICE:
Spiral
Sensor
Cable S Twist the end of the service wire in order to insert it
Sub-assy Assy
F E DC into the connector.
Center
S Do not forcibly insert the twisted service wire into the
terminals of the connector when connecting.
(c) Connect the negative (-) terminal cable to the battery,
D- D+
and wait for at least 2 seconds.
Service Wire (d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
Color: Orange
(e) Clear the DTCs stored in memory (see page 05-777 ).
(f) Turn the ignition switch to the LOCK position.
DLC3 DTC B0101/14 (g) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(h) Check the DTCs (see page 05-777 ).
OK:
CG TC DTC B0101/14 is not output.
H01002
C91348 HINT:
H10600 W02044 H42104
Codes other than code B0101/14 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
(SEE PAGE 60-56 )
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 984
05-802
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
3 CHECK HORN BUTTON ASSY(D SQUIB)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (-) terminal cable from the bat-
D Squib Airbag tery, and wait for at least 90 seconds.
Spiral
Sensor
Cable (c) Disconnect the service wire from connector "E".
Assy
FE
Sub-assy
DC (d) Connect the connectors to the horn button assy.
Center
(e) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
(f) Turn the ignition switch to the ON position, and wait for at
DLC3 DTC B0101/14 least 60 seconds.
(g) Clear the DTCs stored in memory (see page 05-777 ).
(h) Turn the ignition switch to the LOCK position.
(i) Turn the ignition switch to the ON position, and wait for at
CG
least 60 seconds.
H01003 TC
H10600 W02044 H40036 (j) Check the DTCs (see page 05-777 ).
OK:
DTC B0101/14 is not output.
HINT:
Codes other than code B0101/14 may be output at this time, but
they are not related to this check.
NG REPLACE HORN BUTTON ASSY
(SEE PAGE 60-19 )
OK
USE SIMULATION METHOD TO CHECK (SEE PAGE 05-770 )
HINT:
S Perform the simulation method by selecting the check mode with the hand-held tester (see page
05-780 ).
S After selecting the check mode, perform the simulation method by wiggling each connector of the air-
bag system or driving the vehicle on a city or rough road (see page 05-780 ).
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 985
05-803
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
4 CHECK INSTRUMENT PANEL WIRE
Instrument Panel Wire (a) Disconnect the instrument panel wire connector from the
D Squib Airbag spiral cable sub-assy.
Spiral Sensor (b) Measure the resistance according to the value(s) in the
Cable A
Assy table below.
F E Sub-assy D C B
Center Standard:
Tester connection Condition Specified condition
A24 A24-1 (D+) - A24-2 (D-) Always Below 1
D+
D-
H41440 H43066 NG REPAIR OR REPLACE INSTRUMENT PANEL
WIRE
OK
5 CHECK SPIRAL CABLE SUB-ASSY
(a) Measure the resistance according to the value(s) in the
table below.
Standard:
D Squib Airbag
Spiral Tester connection Condition Specified condition
Sensor
Cable A D+ - D- Always Below 1
Sub-assy
Assy
F E D C B
Center
D- D+
Color: Orange
NG REPLACE SPIRAL CABLE SUB-ASSY
H41441 H43065 (SEE PAGE 60-28 )
OK
USE SIMULATION METHOD TO CHECK (SEE PAGE 05-770 )
HINT:
S Perform the simulation method by selecting the check mode with the hand-held tester (see page
05-780 ).
S After selecting the check mode, perform the simulation method by wiggling each connector of the air-
bag system or driving the vehicle on a city or rough road (see page 05-780 ).
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 986
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