Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21q2h73z b116587
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05-964
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM 05IW1-03
DTC B1165/87 SHORT IN CURTAIN SHIELD SQUIB (LH)
CIRCUIT
CIRCUIT DESCRIPTION
The curtain shield squib LH circuit consists of the airbag sensor assy center and the curtain shield airbag
assy LH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1165/87 is recorded when a short circuit is detected in the curtain shield squib LH 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 LH circuit during S Curtain shield airbag assy LH (Curtain shield squib LH)
B1165/87 primary check. S Airbag sensor assy center
S Curtain shield squib LH malfunction S Floor wire
S Airbag sensor assy center malfunction
WIRING DIAGRAM
Airbag Sensor Assy Center
C14
Curtain Shield Squib LH
9
Y-V
A20 ICL+
1
Y-O 10
A20 ICL-
2
H01454
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1147
05-965
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 LH.
(d) Check that the floor wire connector (on the curtain shield airbag assy LH side) is not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
NG REPAIR OR REPLACE FLOOR WIRE
OK
2 CHECK FLOOR WIRE(CURTAIN SHIELD SQUIB LH CIRCUIT)
(a) Disconnect the connector from the airbag sensor assy
Curtain Shield Floor Wire center.
Squib LH (b) Release the activation prevention mechanism built into
A Airbag connector "B" (see page 05-770 ).
D C B Sensor
(c) Measure the resistance according to the value(s) in the
Assy
table below.
Center
C14 Standard:
Tester connection Condition Specified condition
ICL+ ICL- C14-1 (ICL+) -
Always 1 M or Higher
C14-2 (ICL-)
H41469 H43069
NG REPAIR OR REPLACE FLOOR WIRE
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1148
05-966
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
3 CHECK AIR BAG SENSOR ASSY CENTER
(a) Connect the connector to the airbag sensor assy center.
Curtain Shield (b) Connect the negative (-) terminal cable to the battery,
Squib LH and wait for at least 2 seconds.
(c) Turn the ignition switch to the ON position, and wait for at
Airbag
least 60 seconds.
D C Sensor
Assy
(d) Clear the DTCs stored in memory (see page 05-777 ).
Center (e) Turn the ignition switch to the LOCK position.
(f) Turn the ignition switch to the ON position, and wait for at
DLC3 least 60 seconds.
DTC B1165/87
(g) Check the DTCs (see page 05-777 ).
OK:
DTC B1165/87 is not output.
CG TC
HINT:
H01017
H10600 H11648 H42132 Codes other than code B1165/87 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 : 1149
05-967
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
4 CHECK CURTAIN SHIELD AIR BAG ASSY LH(CURTAIN SHIELD SQUIB LH)
(a) Turn the ignition switch to the LOCK position.
Curtain Shield (b) Disconnect the negative (-) terminal cable from the bat-
Squib LH tery, and wait for at least 90 seconds.
Airbag (c) Connect the connector to the curtain shield airbag assy
DC Sensor LH.
Assy (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
DLC3 least 60 seconds.
DTC B1165/87
(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.
H01018
H10600 H11648 H42133 (i) Check the DTCs (see page 05-777 ).
OK:
DTC B1165/87 is not output.
HINT:
Codes other than code B1165/87 may be output at this time, but
they are not related to this check.
NG REPLACE CURTAIN SHIELD AIR BAG ASSY LH
(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 : 1150
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