Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21q2h73z b011846
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05-845
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM 0525S-20
DTC B0118/46 SHORT IN SIDE SQUIB (LH) CIRCUIT (TO
B+)
CIRCUIT DESCRIPTION
The side squib LH circuit consists of the airbag sensor assy center and the separate type front seat back
assy (side squib LH).
This circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0118/46 is recorded when a short to B+ is detected in the side squib LH circuit.
DTC No. DTC Detecting Condition Trouble Area
S The airbag sensor assy center receives a short circuit to
S Separate type front seat back assy (LH)
B+ signal in the side squib LH circuit for 0.5 seconds.
B0118/46 S Airbag sensor assy center
S Side squib LH malfunction
S Floor wire
S Airbag sensor assy center malfunction
WIRING DIAGRAM
See page 05-836 .
INSPECTION PROCEDURE
1 CHECK FLOOR WIRE(SIDE SQUIB LH CIRCUIT)
(a) Turn the ignition switch to the LOCK position.
Side Squib LH Floor Wire
(b) Disconnect the negative (-) terminal cable from the bat-
A Airbag tery, and wait for at least 90 seconds.
D C B Sensor (c) Disconnect the connectors from the airbag sensor assy
Assy center and the separate type front seat back assy (LH).
Center (d) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
S18
(e) Turn the ignition switch to the ON position.
SFL+ SFL- (f) Measure the voltage according to the value(s) in the table
below.
Standard:
Tester connection Condition Specified condition
S18-1 (SFL+) -
H01016
Ignition switch ON Below 1 V
Body ground
H44043 H44449
S18-2 (SFL-) -
Ignition switch ON Below 1 V
Body ground
NG REPAIR OR REPLACE FLOOR WIRE
OK
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1028
05-846
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
2 CHECK AIR BAG SENSOR ASSY CENTER
(a) Turn the ignition switch to the LOCK position.
Side Squib LH Floor Wire (b) Disconnect the negative (-) terminal cable from the bat-
tery, and wait for at least 90 seconds.
Airbag
(c) Connect the connector to the airbag sensor assy center.
D C Sensor
Assy
(d) Using a service wire, connect S18-1 (SFL+) and S18-2
S18 Center (SFL-) of connector "C".
NOTICE:
SFL+ SFL- Do not forcibly insert a service wire into the terminals of the
connector when connecting.
(e) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
Service Wire
(f) Turn the ignition switch to the ON position, and wait for at
DLC3 least 60 seconds.
DTC B0118/46
(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
least 60 seconds.
CG TC
H01017
(j) Check the DTCs (see page 05-777 ).
H44044
H10600 H01072 H44620 OK:
DTC B0118/46 is not output.
HINT:
Codes other than code B0118/46 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 : 1029
05-847
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
3 CHECK SEPARATE TYPE FRONT SEAT BACK ASSY(SIDE SQUIB LH)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (-) terminal cable from the bat-
Side Squib LH tery, and wait for at least 90 seconds.
Airbag
(c) Disconnect the service wire from connector "C".
DC Sensor (d) Connect the connector to the separate type front seat
Assy back assy (LH).
Center (e) Connect the negative (-) terminal cable to the battery,
and wait for at least 2 seconds.
DLC3 (f) Turn the ignition switch to the ON position, and wait for at
DTC B0118/46
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
H01018
H10600 H01072 H40994 least 60 seconds.
(j) Check the DTCs (see page 05-777 ).
OK:
DTC B0118/46 is not output.
HINT:
Codes other than code B0118/46 may be output at this time, but
they are not related to this check.
NG REPLACE SEPARATE TYPE FRONT SEAT
BACK ASSY (LH) (SEE PAGE 72-12 , 72-22 )
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 : 1030
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