Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 rs cib01164
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DI-418
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
DI6MX-03
DTC B0116/48 Open in Side Squib (LH) Circuit
CIRCUIT DESCRIPTION
The side squib (LH) circuit consists of the airbag sensor assembly and side airbag assembly (LH).
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS-2 .
DTC B0116/48 is recorded when an open is detected in the side squib (LH) circuit.
DTC No. DTC Detecting Condition Trouble Area
S Open circuit in SFL+ wire harness or SFL- wire harness
S Side airbag assembly (LH)
of squib
B0116/48 S Airbag sensor assembly
S Side squib (LH) malfunction
S Wire harness
S Airbag sensor assembly malfunction
WIRING DIAGRAM
See page DI-414 .
INSPECTION PROCEDURE
1 Prepare for inspection. (See step 1 on page DI-486 )
2 Check side squib (LH) circuit.
Squib (LH)
CHECK:
For the connector (on the front side airbag assembly side) be-
Airbag tween the front side airbag assembly (LH) and the airbag sen-
Sensor sor assembly, measure the resistance between SFL+ and
Assembly SFL-.
OK:
Resistance: Below 1
SFL- SFL+
(-) (+)
H17219 NG Repair or replace harness or connector be-
H09668 H17563
tween side airbag assembly (LH) and airbag
sensor assembly.
OK
2001 SIENNA (RM787U)
Author : Date : 572
DI-419
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
3 Check airbag sensor assembly.
PREPARATION:
Squib (LH) (a) Connect the connector to the airbag sensor assembly.
(b) Using a service wire, connect SFL+ and SFL- of the con-
Airbag nector (on the side airbag assembly side) between the
Sensor
Assembly
side airbag assembly (LH) and the airbag sensor assem-
bly.
(c) Connect negative (-) terminal cable to the battery, and
wait at least 2 seconds.
ACC ON CHECK:
SFL- SFL+
(a) Turn the ignition switch to ACC or ON and wait at least for
20 seconds.
or
(b) Clear the DTC stored in memory (See page DI-358 ).
(c) Turn the ignition switch to LOCK, and wait at least for 20
DLC1
DTC B0116/48 seconds.
(d) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
E1 Tc
(e) Check the DTC (See page DI-358 ).
H17220 H09671 OK:
AB0118 AB0119
R13006 H01074 H17567 DTC B0116/48 is not output.
HINT:
Codes other than code B0116/48 may be output at this time, but
they are not relevant to this check.
NG Replace side airbag sensor assembly.
OK
2001 SIENNA (RM787U)
Author : Date : 573
DI-420
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
4 Check side squib (LH).
PREPARATION:
Squib (LH)
(a) Turn the ignition switch to LOCK.
(b) Disconnect negative (-) terminal cable from the battery,
Airbag
and wait at least for 90 seconds.
Sensor
Assembly (c) Connect the side airbag assembly (LH) connector.
(d) Connect negative (-) terminal cable to the battery, and
wait at least for 2 seconds.
ACC ON
CHECK:
(a) Turn the ignition switch to ACC or ON, and wait at least
or for 20 seconds.
(b) Clear the DTC stored in memory (See page DI-358 ).
DLC1 DTC B0116/48
(c) Turn the ignition switch to LOCK, and wait at least for 20
seconds.
(d) Turn the ignition switch to ACC or ON, and wait at least
for 20 seconds.
E1 Tc (e) Check the DTC (See page DI-358 ).
OK:
H17221
DTC B0116/48 is not output.
AB0118 AB0119
R13006 H01074 H17568 HINT:
Codes other than code B0116/48 may be output at this time, but
they are not relevant to this check.
NG Replace side airbag assembly (LH).
OK
From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check.
2001 SIENNA (RM787U)
Author : Date : 574
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