Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21q2h73z b116083
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05-951
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM 05NT1-01
DTC B1160/83 SHORT IN CURTAIN SHIELD SQUIB (RH)
CIRCUIT
CIRCUIT DESCRIPTION
The curtain shield squib RH circuit consists of the airbag sensor assy center and the curtain shield airbag
assy RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1160/83 is recorded when a short circuit is detected in the curtain shield squib RH circuit.
DTC No. DTC Detecting Condition Trouble Area
S The airbag sensor assy center receives a line short circuit
signal 5 times in the curtain shield squib RH circuit during S Curtain shield airbag assy RH (Curtain shield squib RH)
B1160/83 primary check. S Airbag sensor assy center
S Curtain shield squib front RH malfunction S Floor wire No.2
S Airbag sensor assy center malfunction
WIRING DIAGRAM
Airbag Sensor Assy Center
C15
Curtain Shield Squib RH
8
Y-V
A22 ICR+
1
7
Y-O
A22 ICR-
2
H01454
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1134
05-952
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 curtain shield airbag assy RH.
(d) Check that the floor wire No.2 connector (on the curtain shield airbag assy RH side) is not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
B REPAIR OR REPLACE FLOOR WIRE NO.2
A
2 CHECK FLOOR WIRE NO.2(CURTAIN SHIELD SQUIB RH CIRCUIT)
(a) Disconnect the connector from the airbag sensor assy
Floor Wire No.2 center.
Airbag (b) Release the activation prevention mechanism built into
Curtain Shield Sensor connector "B" (see page 05-770 ).
Squib RH Assy (c) Measure the resistance according to the value(s) in the
A Center table below.
D C B Standard:
C15
Tester connection Condition Specified condition
ICR+ ICR- C15-1 (ICR+) -
Always 1 M or Higher
C15-2 (ICR-)
H41465 H43068 NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1135
05-953
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
3 CHECK AIR BAG SENSOR ASSY CENTER
(a) Connect the connector to the airbag sensor assy center.
(b) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
Airbag
Curtain Shield (c) Turn the ignition switch to the ON position, and wait for at
Sensor
Squib RH least 60 seconds.
Assy
Center
(d) Clear the DTCs stored in memory (see page 05-777 ).
(e) Turn the ignition switch to the LOCK position.
D C
(f) Turn the ignition switch to the ON position, and wait for at
DLC3 DTC B1160/83 least 60 seconds.
(g) Check the DTCs (see page 05-777 ).
OK:
DTC B1160/83 is not output.
CG TC HINT:
H01020
H10600 H11644 H40956 Codes other than code B1160/83 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 : 1136
05-954
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
4 CHECK CURTAIN SHIELD AIR BAG ASSY RH(CURTAIN SHIELD SQUIB RH)
(a) Turn the ignition switch to the LOCK position.
(b) Connect the negative (-) terminal cable from the battery,
and wait for at least 90 seconds.
Airbag
Curtain Shield Sensor
(c) Connect the connector to the curtain shield airbag assy
Squib RH Assy RH.
Center (d) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
DC
(e) Turn the ignition switch to the ON position, and wait for at
DLC3 DTC B1160/83 least 60 seconds.
(f) Clear the DTCs stored in memory (see page 05-777 ).
(g) Turn the ignition switch to the LOCK position.
(h) Turn the ignition switch to the ON position, and wait for at
CG TC least 60 seconds.
H01021
H10600 H11644 H40931 (i) Check the DTCs (see page 05-777 ).
OK:
DTC B1160/83 is not output.
HINT:
Codes other than code B1160/83 may be output at this time, but
they are not related to this check.
NG REPLACE CURTAIN SHIELD AIR BAG ASSY RH
(SEE PAGE 60-40 )
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 : 1137
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