Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21q2h73z b010013
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05-795
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM 0525D-07
DTC B0100/13 SHORT 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 B0100/13 is recorded when a short circuit is detected in the D squib circuit.
DTC No. DTC Detecting Condition Trouble Area
S The airbag sensor assy center receives a line short circuit
S Horn button assy (D squib)
signal 5 times in the D squib circuit during primary check.
S Spiral cable sub-assy
B0100/13 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
Airbag Sensor Assy Center
D Squib
14
Y-B
A21 D+
1
13
Y
A21 D-
2
A24
Spiral Cable
Sub-assy
H01451
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 978
05-796
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
INSPECTION PROCEDURE
1 CHECK CONNECTOR
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the horn button assy.
(d) Check that the spiral cable sub-assy connectors (on the horn button assy side) are not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
NG REPLACE SPIRAL CABLE SUB-ASSY
(SEE PAGE 60-28 )
OK
2 CHECK D SQUIB CIRCUIT(AIRBAG SENSOR ASSY CENTER - HORN BUTTON
ASSY)
(a) Disconnect the connector from the airbag sensor assy
center.
Airbag (b) Release the activation prevention mechanism built into
D Squib Spiral
A Sensor connector "B" (see page 05-770 ).
Cable
Assy (c) Measure the resistance according to the value(s) in the
Sub-assy B
F E D C table below.
Center
Standard:
Tester connection Condition Specified condition
D- D+ D+ - D- Always 1 M or Higher
Color: Orange
H41439 H43064
NG Go to step 5
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 979
05-797
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
3 CHECK AIR BAG SENSOR ASSY CENTER
(a) Connect the connectors to the airbag sensor assy center.
Airbag (b) Connect the negative (-) terminal cable to the battery,
D Squib Spiral
Sensor and wait for at least 2 seconds.
Cable
Sub-assy Assy (c) Turn the ignition switch to the ON position, and wait for at
F E D C least 60 seconds.
Center
(d) Clear the DTCs stored in memory (see page 05-777 ).
(e) Turn the ignition switch to the LOCK position.
(f) Turn the ignition switch to the ON position, and wait for at
DLC3 DTC B0100/13 least 60 seconds.
(g) Check the DTCs (see page 05-777 ).
OK:
DTC B0100/13 is not output.
CG HINT:
H01002 TC
H10600 H40103 H40030 Codes other than code B0100/13 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 : 980
05-798
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
4 CHECK HORN BUTTON ASSY(D SQUIB)
(a) Turn the ignition switch to the LOCK position.
Airbag (b) Disconnect the negative (-) terminal cable from the bat-
D Squib Spiral
Sensor tery, and wait for at least 90 seconds.
Cable
Assy (c) Connect the connectors to the horn button assy.
F Sub-assy D C
E (d) Connect the negative (-) terminal cable to the battery,
Center
and wait for at least 2 seconds.
(e) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
DTC B0100/13 (f) Clear the DTCs stored in memory (see page 05-777 ).
DLC3
(g) Turn the ignition switch to the LOCK position.
(h) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
CG
(i) Check the DTCs (see page 05-777 ).
H01003 TC
H10600 H40103 H40031 OK:
DTC B0100/13 is not output.
HINT:
Codes other than code B0100/13 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 : 981
05-799
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
5 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 HINT:
Cable A
Assy The activation prevention mechanism of connector "B" has al-
F E Sub-assy D C B
Center ready been released.
(b) Measure the resistance according to the value(s) in the
A24 table below.
Standard:
Tester connection Condition Specified condition
D+ A24-1 (D+) - A24-2 (D-) Always 1 M or Higher
D-
H41440 H43066 NG REPAIR OR REPLACE INSTRUMENT PANEL
WIRE
OK
6 CHECK SPIRAL CABLE SUB-ASSY
(a) Release the activation prevention mechanism built into
connector "D" (see page 05-770 ).
(b) Measure the resistance according to the value(s) in the
D Squib Airbag
Spiral table below.
Sensor
Cable A Standard:
Sub-assy
Assy
F E D C B Tester connection Condition Specified condition
Center
D+ - D- Always 1 M or Higher
D- D+
Color: Orange
NG REPLACE SPIRAL CABLE SUB-ASSY
H41441 H43065 (SEE PAGE 60-28 )
0K
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 : 982
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