Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21q2h73z b163184
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05-1010
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM 05NT6-01
DTC B1631/84 OPEN IN CURTAIN SHIELD SQUIB REAR
(RH) CIRCUIT
CIRCUIT DESCRIPTION
The curtain shield squib rear 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 B1631/84 is recorded when an open circuit is detected in the curtain shield squib rear RH circuit.
DTC No. DTC Detecting Condition Trouble Area
S The airbag sensor assy center receives an open circuit
signal in the curtain shield squib rear RH circuit for 2 se- S Curtain shield airbag assy RH (Curtain shield squib rear RH)
B1631/84 conds. S Airbag sensor assy center
S Curtain shield squib rear RH malfunction S Floor wire No.2
S Airbag sensor assy center malfunction
WIRING DIAGRAM
See page 05-1006 .
INSPECTION PROCEDURE
1 CHECK FLOOR WIRE NO.2(CURTAIN SHIELD SQUIB REAR RH CIRCUIT)
(a) Turn the ignition switch to the LOCK position.
Floor Wire No.2 (b) Disconnect the negative (-) terminal cable from the bat-
Airbag tery, and wait for at least 90 seconds.
Curtain Shield Sensor (c) Disconnect the connectors from the airbag sensor assy
Squib Rear RH Assy center and the curtain shield airbag assy RH.
A Center (d) Measure the resistance according to the value(s) in the
D C B table below.
C17
Standard:
CR2+ CR2- Tester connection Condition Specified condition
C17-1 (CR2+) -
Always Below 1
C17-2 (CR2-)
H41465 H43068
NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1193
05-101 1
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
2 CHECK AIR BAG SENSOR ASSY CENTER
(a) Connect the connector to the airbag sensor assy center.
Floor Wire No.2
Airbag (b) Using a service wire, connect C17-1 (CR2+) and C17-2
Curtain Shield Sensor (CR2-) of connector "C".
Squib Rear RH Assy NOTICE:
Center S Twist the end of the service wire in order to insert it
D C
C17 into the connector.
S Do not forcibly insert the twisted service wire into the
CR2+ CR2- terminals of the connector when connecting.
(c) Connect the negative (-) terminal cable to the battery,
Service Wire and wait for at least 2 seconds.
(d) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(e) Clear the DTCs stored in memory (see page 05-777 ).
DLC3 DTC B1631/84
(f) Turn the ignition switch to the LOCK position.
(g) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
CG TC (h) Check the DTCs (see page 05-777 ).
H01020 OK:
C89252
H11645 H10600 H42129 DTC B1631/84 is not output.
HINT:
Codes other than code B1631/84 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 : 1194
05-1012
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
3 CHECK CURTAIN SHIELD AIR BAG ASSY RH(CURTAIN SHIELD SQUIB REAR RH)
(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.
Curtain Shield Sensor (c) Disconnect the service wire from connector "C".
Squib Rear RH Assy (d) Connect the connector to the curtain shield airbag assy
Center RH.
(e) Connect the negative (-) terminal cable to the battery,
DC
and wait for at least 2 seconds.
DLC3 DTC B1631/84 (f) Turn the ignition switch to the ON position, and wait for at
least 60 seconds.
(g) Clear the DTCs stored in memory (see page 05-777 ).
(h) Turn the ignition switch to the LOCK position.
CG TC (i) Turn the ignition switch to the ON position, and wait for at
H01021
H10600 H11645 H40933 least 60 seconds.
(j) Check the DTCs (see page 05-777 ).
OK:
DTC B1631/84 is not output.
HINT:
Codes other than code B1631/84 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 : 1195
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