Page 1385 of 5135

\b
H41475
D Squib
(2nd step)
Airbag
Sensor
Assy
Center
Spiral
Cable
Sub±assy
Color: Black
A
B
C
D
E
F
05±1354
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1182/19 SHORT IN D SQUIB (2ND STEP) CIRCUIT (TO GROUND)
CIRCUIT DESCRIPTION
The D squib (2nd step) circuit consists of the airbag sensor assy center, the spiral cable sub±assy and the
horn button assy.
This circuit actuates the SRS to deploy when the SRS deployment conditio\
ns are fulfilled.
DTC B1182/19 is recorded when a short to ground is detected in the D squib (2\
nd step) circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1182/19
Short circuit in D squib (2nd step) wire harness (to ground)
D squib (2nd step) malfunction
Spiral cable sub±assy malfunction
Airbag sensor assy center malfunctionHorn button assy (D squib, 2nd step)
Spiral cable sub±assy
Airbag sensor assy center
Instrument panel wire
WIRING DIAGRAM
See page 05±1346.
INSPECTION PROCEDURE
1 CHECK D SQUIB CIRCUIT(2ND STEP)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assy center and the horn button assy.
(d) Measure the resistance between the body ground and D2+ of the connector ºCº.
OK:
Resistance: 1 M or Higher
NG Go to step 5
OK
056MT±03
Page 1389 of 5135

\b
H41475
D Squib
(2nd step)
Airbag
Sensor
Assy
Center
Spiral
Cable
Sub±assy
Color: Black
A
B
C
D
E
F
05±1350
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1181/18 OPEN IN D SQUIB (2ND STEP) CIRCUIT
CIRCUIT DESCRIPTION
The D squib (2nd step) circuit consists of the airbag sensor assy center, the spiral cable sub±assy and the
horn button assy.
This circuit actuates the SRS to deploy when the SRS deployment conditio\
ns are fulfilled.
DTC B1181/18 is recorded when an open circuit is detected in the D squib (2nd\
step) circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1181/18
Open circuit in D2+ wire harness or D2± wire harness of D
squib (2nd step)
D squib (2nd step) malfunction
Spiral cable sub±assy malfunction
Airbag sensor assy center malfunctionHorn button assy (D squib, 2nd step)
Spiral cable sub±assy
Airbag sensor assy center
Instrument panel wire
WIRING DIAGRAM
See page 05±1346.
INSPECTION PROCEDURE
1 CHECK D SQUIB CIRCUIT(2ND STEP)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assy center and the horn button assy.
(d) Measure the resistance between D2+ and D2± of the con- nector ºEº.
OK:
Resistance: Below 1
NG Go to step 4
OK
056MR±03
Page 1393 of 5135
H01451
Airbag Sensor Assy Center
A30
D Squib (2nd step)
Spiral Cable
Sub±assyY±R Y±G
D2+
D2± 4A27
3A271716 05±1346
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1180/17 SHORT IN D SQUIB (2ND STEP) CIRCUIT
CIRCUIT DESCRIPTION
The D squib (2nd step) circuit consists of the airbag sensor assy center, the spiral cable sub±assy and the
horn button assy.
This circuit actuates the SRS to deploy when the SRS deployment conditions are fulfilled.
DTC B1180/17 is recorded when a short circuit is detected in the D squib (2nd step) circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1180/17
Short circuit between D2+ wire harness and D2± wire har-
ness of D squib (2nd step)
D squib (2nd step) malfunction
Spiral cable sub±assy malfunction
Airbag sensor assy center malfunctionHorn button assy (D squib, 2nd step)
Spiral cable sub±assy
Airbag sensor assy center
Instrument panel wire
WIRING DIAGRAM
056MQ±03
Page 1397 of 5135

\b
H41469
Curtain Shield
Squib LH
Airbag
Sensor
Assy
Center
Floor Wire
A
B
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1343
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1168/86 SHORT IN CURTAIN SHIELD SQUIB (LH)
CIRCUIT (TO B+)
CIRCUIT DESCRIPTION
The curtain shield squib LH circuit consists of the airbag sensor assy cent\
er and the curtain shield airbag
assy LH.
This circuit actuates the SRS to deploy when the SRS deployment conditio\
ns are fulfilled.
DTC B1168/86 is recorded when a short to B+ is detected in the curtain shield \
squib LH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1168/86
Short circuit in curtain shield squib LH wire harness (to B+)
Curtain shield squib LH malfunction
Airbag sensor assy center malfunctionCurtain shield airbag assy LH (Curtain shield squib LH)
Airbag sensor assy center
Floor wire
HINT:
DTC B1168/86 is indicated only for the vehicle equipped with the curtain shiel\
d airbag.
WIRING DIAGRAM
See page 05±1334.
INSPECTION PROCEDURE
1 CHECK FLOOR WIRE(CURTAIN SHIELD SQUIB LH CIRCUIT)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assy center and the curtain shield airbag assy LH.
(d) Connect the negative (±) terminal cable to the battery, and turn the ignition switch to the ON position.
(e) Measure the voltage between the body ground and ICL+ of the connector ºCº.
OK:
Voltage: Below 1 V
NG REPAIR OR REPLACE FLOOR WIRE
OK
054MK±05
Page 1400 of 5135

\b
H41469
Curtain Shield
Squib LH
Airbag
Sensor
Assy
Center
Floor Wire
A
B
C
D
05±1340
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1167/85 SHORT IN CURTAIN SHIELD SQUIB (LH) CIRCUIT (TO GROUND)
CIRCUIT DESCRIPTION
The curtain shield squib LH circuit consists of the airbag sensor assy cent\
er and the curtain shield airbag
assy LH.
This circuit actuates the SRS to deploy when the SRS deployment conditio\
ns are fulfilled.
DTC B1167/85 is recorded when a short to ground is detected in the curtain shi\
eld squib LH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1167/85
Short circuit in curtain shield squib LH wire harness
(to ground)
Curtain shield squib LH malfunction
Airbag sensor assy malfunctionCurtain shield airbag assy LH (Curtain Shield Squib LH)
Airbag sensor assy center
Floor wire
HINT:
DTC B1167/85 is indicated only for the vehicle equipped with the curtain shiel\
d airbag.
WIRING DIAGRAM
See page 05±1334.
INSPECTION PROCEDURE
1 CHECK FLOOR WIRE(CURTAIN SHIELD SQUIB LH CIRCUIT)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assy center and the curtain shield airbag assy LH.
(d) Measure the resistance between the body ground and ICL+ of the connector ºCº.
OK:
Resistance: 1 M or Higher
NG REPAIR OR REPLACE FLOOR WIRE
OK
054MJ±05
Page 1403 of 5135

\b
H41469
Curtain Shield
Squib LH
Airbag
Sensor
Assy
Center
Floor Wire
A
B
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1337
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1166/88 OPEN IN CURTAIN SHIELD SQUIB (LH)
CIRCUIT
CIRCUIT DESCRIPTION
The curtain shield squib LH circuit consists of the airbag sensor assy cent\
er and the curtain shield airbag
assy LH.
This circuit actuates the SRS to deploy when the SRS deployment conditio\
ns are fulfilled.
DTC B1166/88 is recorded when an open circuit is detected in the curtain shiel\
d squib LH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1166/88
Open circuit in ICL+ wire harness or ICL± wire harness of
curtain shield squib LH
Curtain shield squib LH malfunction
Airbag sensor assy center malfunctionCurtain shield airbag assy LH (Curtain shield squib LH)
Airbag sensor assy center
Floor wire
HINT:
DTC B1166/88 is indicated only for the vehicle equipped with the curtain shiel\
d airbag.
WIRING DIAGRAM
See page 05±1184.
INSPECTION PROCEDURE
1 CHECK FLOOR WIRE(CURTAIN SHIELD SQUIB LH CIRCUIT)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assy center and the curtain shield airbag assy LH.
(d) Measure the resistance between ICL+ and ICL± of the connector ºCº.
OK:
Resistance: Below 1
NG REPAIR OR REPLACE FLOOR WIRE
OK
056MO±03
Page 1406 of 5135

H01454
C17
Curtain Shield Squib LHAirbag Sensor Assy Center
1
2Y±V
Y±RA26
A269
10ICL+
ICL± (*1)
(*1)
*1: w/ Curtain Shield Airbag 05±1334
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
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.
This circuit actuates the SRS to deploy when the SRS deployment conditions are fulfilled.
DTC B1165/87 is recorded when a short circuit is detected in the curtain shield squib LH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1165/87
Short circuit between ICL+ wire harness and ICL± wire har-
ness of curtain shield squib LH
Curtain shield squib LH malfunction
Airbag sensor assy center malfunctionCurtain shield airbag assy LH (Curtain shield squib LH)
Airbag sensor assy center
Floor wire
HINT:
DTC B1165/87 is indicated only for the vehicle equipped with the curtain shield airbag.
WIRING DIAGRAM
056MN±03
Page 1409 of 5135

\b
H41465
Curtain Shield
Squib RH Airbag
Sensor
Assy
Center
Floor Wire No.2
A
B
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1331
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1163/82 SHORT IN CURTAIN SHIELD SQUIB (RH)
CIRCUIT (TO B+)
CIRCUIT DESCRIPTION
The curtain shield squib RH circuit consists of the airbag sensor assy cent\
er and the curtain shield airbag
assy RH.
This circuit actuates the SRS to deploy when the SRS deployment conditio\
ns are fulfilled.
DTC B1163/82 is recorded when a short to B+ is detected in the curtain shield \
squib RH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1163/82
Short circuit in curtain shield squib RH wire harness (to B+)
Curtain shield squib RH malfunction
Airbag sensor assy center malfunctionCurtain shield airbag assy RH (Curtain shield squib RH)
Airbag sensor assy center
Floor wire No.2
HINT:
DTC B1163/82 is indicated only for the vehicle equipped with the curtain shiel\
d airbag.
WIRING DIAGRAM
See page 05±1322.
INSPECTION PROCEDURE
1 CHECK FLOOR WIRE NO.2(CURTAIN SHIELD SQUIB RH CIRCUIT)
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the bat-
tery, and wait for at least 90 seconds.
(c) Disconnect the connectors from the airbag sensor assy center and the curtain shield airbag assy RH.
(d) Connect the negative (±) terminal cable to the battery, and turn the ignition switch to the ON position.
(e) Measure the voltage between the body ground and ICR+ of the connector ºCº.
OK:
Voltage: Below 1 V
NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK
054MG±05