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DI-284
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
DI1NC-18
DTC B0110/43 Short in Side Squib (RH) Circuit
CIRCUIT DESCRIPTION
The side squib (RH) circuit consists of the airbag sensor assembly and side airbag assembly (RH).
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 B0110/43 is recorded when a short is detected in the side squib (RH) circuit.
DTC No. DTC Detecting Condition Trouble Area
S Short circuit between SFR+ wire harness and SFR- wire
S Side airbag assembly (RH)
harness of squib
B0110/43 S Airbag sensor assembly
S Side squib (RH) malfunction
S Wire harness
S Airbag sensor assembly malfunction
WIRING DIAGRAM
Airbag Sensor Assembly
S8
Side Squib (RH)
2
1 Y-R C6 SFR+
(*1)
1
2 Y-G
C6 SFR-
(*1)
*1 : w/ Side Airbag H01454
2002 ECHO (RM884U)
Author : Date : 454
DI-285
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI-390 ).
2 Check side squib (RH) circuit.
PREPARATION:
Release the airbag activation prevention mechanism of the
Airbag connector (on the airbag sensor assembly side) between the
Sensor
Squib (RH) airbag sensor assembly and the side airbag assembly (RH)
Assembly
(See page DI-239 ).
CHECK:
For the connector (on the side airbag assembly side) between
the side airbag assembly (RH) and the airbag sensor assembly,
measure the resistance between SFR+ and SFR-.
SFR- SFR+ OK:
Resistance: 1 M or Higher
(-) (+)
NG Repair or replace harness or connector be-
H01019 tween side airbag assembly (RH) and airbag
W03859 H01180
sensor assembly.
OK
2002 ECHO (RM884U)
Author : Date : 455
DI-286
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
3 Check airbag sensor assembly.
PREPARATION:
(a) Connect the connector to the airbag sensor assembly.
Airbag (b) Connect the negative (-) terminal cable to the battery,
Squib (RH)
Sensor and wait at least for 2 seconds.
Assembly
CHECK:
(a) Turn the ignition switch to ON and wait at least for 20 se-
conds.
ON (b) Clear the DTC stored in memory (See page DI-239 ).
(c) Turn the ignition switch to LOCK, and wait at least for 20
seconds.
(d) Turn the ignition switch to ON and wait at least for 20 se-
conds.
DLC3 DTC B0110/43 (e) Check the DTC (See page DI-239 ).
OK:
DTC B0110/43 is not output.
HINT:
CG Codes other than code B0110/43 may be output at this time, but
Tc they are not relevant to this check.
H01020
AB0119
H10600 H01069 H12844
NG Replace airbag sensor assembly.
OK
2002 ECHO (RM884U)
Author : Date : 456
DI-287
DIAGNOSTICS - SUPPLEMENTAL RESTRAINT SYSTEM
4 Check side squib (RH).
PREPARATION:
(a) Turn the ignition switch to LOCK.
Airbag (b) Disconnect the negative (-) terminal cable from the bat-
Squib (RH) Sensor
tery, and wait at least for 90 seconds.
Assembly
(c) Connect the side airbag assembly (RH) connector.
(d) Connect the negative (-) terminal cable to the battery,
and wait at least for 2 seconds.
ON
CHECK:
(a) Turn the ignition switch to LOOK, and wait at least for 20
second.
(b) Turn the ignition switch to ON and wait at least for 20 se-
conds.
DLC3 DTC B0110/43
(c) Clear the DTC stored in memory (See page DI-239 ).
(d) Turn the ignition switch to LOCK, and wait at least for 20
seconds.
(e) Turn the ignition switch to ON and wait at least for 20 se-
CG conds.
Tc
H01021
(f) Check the DTC (See page DI-239 ).
AB0119
H10600 H01069 H12845 OK:
DTC B0110/43 is not output.
HINT:
Codes other than code B0110/43 may be output at this time, but
they are not relevant to this check.
NG Replace side airbag assembly (RH).
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.
2002 ECHO (RM884U)
Author : Date : 457
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