TOYOTA AVENSIS 2005 Service Repair Manual

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\bH42854
Side Squib LH
CGDTC B0116/48
DLC3
TC Airbag
Sensor
Assy
Center
SFL± SFL+
Floor Wire
Service Wire
DC
05±1242
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
2 CHECK AIR BAG SENSOR ASSY CENTER
(a) Connect the connector to the airbag sensor assy center.
(b) Using a service wire, connect SFL+ and SFL± of the con- nector ºCº.
NOTICE:
Do not forcibly insert a service wire into the terminal of the
connector when connecting.
(c) Connect the negative (±) terminal cable to the battery, and wait at least 2 seconds.
(d) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(e)Clear the stored DTCs in the memory (See page
05±1184).
(f) Turn the ignition switch to the LOCK position.
(g) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(h)Check the DTCs (See page 05±1184).
OK:
DTC B0116/48 is not output.
HINT:
Codes other than code B0116/48 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
OK









H40990
DLC3DTC B0116/48
TC
CG
Side Squib LH
Airbag
Sensor
Assy
Center
DC
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1243
AVENSIS REPAIR MANUAL (RM1018E)
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-
tery, and wait for at least 90 seconds.
(c) Connect the connector to the separate type front seat back assy (side squib LH).
(d) Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(e) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(f)Clear the stored DTCs in the memory (See page 05±1184).
(g) Turn the ignition switch to the LOCK position.
(h) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(i)Check the DTCs (See page 05±1184). OK:
DTC B0116/48 is not output.
HINT:
Codes other than code B0116/48 may be output at this time, but
they are not related to this check.
NG REPLACE SEPARATE TYPE FRONT SEAT BACK ASSY
OK
USE SIMULATION METHOD TO CHECK

\b






H41465
Curtain Shield
Squib RH Airbag
Sensor
Assy
Center
Floor Wire No.2
A
B
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1325
AVENSIS REPAIR MANUAL (RM1018E)
DTCB1161/84OPEN IN CURTAIN SHIELD SQUIB (RH)
CIRCUIT
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 B1161/84 is recorded when an open circuit is detected in the curtain shiel\
d squib RH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1161/84

Open circuit in ICR+ wire harness or ICR± wire harness of
curtain shield squib RH

Curtain shield squib RH malfunction

Airbag sensor assy center malfunction
Curtain shield airbag assy RH (Curtain shield squib RH)

Airbag sensor assy center

Floor wire No.2
HINT:
DTC B1161/84 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) Measure the resistance between ICR+ and ICR± of the connector ºCº.
OK:
Resistance: Below 1

NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK
056MM±03




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H42129
Curtain Shield
Squib RHAirbag
Sensor
Assy
Center
DLC3
CGTC DTC B1161/84
Floor Wire No.2
Service Wire
ICR+
ICR±
C
D
05±1326
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
2CHECK AIR BAG SENSOR ASSY CENTER
(a)Connect the connector to the airbag sensor assy center.
(b)Using a service wire, connect ICR+ and ICR± of the con- nector ºCº.
NOTICE:
Do not forcibly insert a service wire into the terminal of the
connector when connecting.
(c)Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(d)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(e)Clear the stored DTCs in the memory (See page
05±1184).
(f) Turn the ignition switch to the LOCK position.
(g) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(h)Check the DTCs (See page 05±1184).
OK:
DTC B1161/84 is not output.
HINT:
Codes other than code B1161/84 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
OK







H40933
Airbag
Sensor
Assy
Center
Curtain Shield
Squib RH
DLC3
TC
CG
DTC B1161/84
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1327
AVENSIS REPAIR MANUAL (RM1018E)
3 CHECK CURTAIN SHIELD AIR BAG ASSY RH(CURTAIN SHIELD SQUIB RH)
(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) Connect the connector to the curtain shield airbag assy RH.
(d) Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(e) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(f)Clear the stored DTCs in the memory (See page 05±1184).
(g) Turn the ignition switch to the LOCK position.
(h) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(i)Check the DTCs (See page 05±1184). OK:
DTC B1161/84 is not output.
HINT:
Codes other than code B1161/84 may be output at this time, but
they are not related to this check.
NG REPLACE CURTAIN SHIELD AIR BAG ASSY RH
OK
USE SIMULATION METHOD TO CHECK

H01454
Airbag Sensor Assy Center
C18
Curtain Shield Squib RH
8
A28 ICR+ Y±V
7
A28ICR± Y±R 1
2(*1)
(*1)
*1: w/ Curtain Shield Airbag 05±1322
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1160/83 SHORT IN CURTAIN SHIELD SQUIB (RH)
CIRCUIT
CIRCUIT DESCRIPTION
The curtain shield squib RH circuit consists of the airbag sensor assy center and the curtain shield airbag
assy RH.
This circuit actuates the SRS to deploy when the SRS deployment conditions are fulfilled.
DTC B1160/83 is recorded when a short circuit is detected in the curtain shield squib RH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B1160/83

Short circuit between ICR+ wire harness and ICR± wire har-
ness of curtain shield squib RH

Curtain shield squib RH malfunction

Airbag sensor assy center malfunction
Curtain shield airbag assy RH (Curtain shield squib RH)

Airbag sensor assy center

Floor wire No.2
HINT:
DTC B1160/83 is indicated only for the vehicle equipped with the curtain shield airbag.
WIRING DIAGRAM
056ML±03

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H41465
Curtain Shield
Squib RH Airbag
Sensor
Assy
Center
Floor Wire No.2
A
B
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1323
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1CHECK CONNECTOR
(a)Turn the ignition switch to the LOCK position.
(b)Disconnect the negative (±) terminal cable from the battery, and wait for at least 90 seconds.
(c)Disconnect the connectors from the airbag sensor assy center and the curtain shiel\
d airbag assy RH.
(d)Check that the floor wire No.2 connector (on the curtain shield airbag assy RH sid\
e) is not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deform\
ed or damaged.
NGREPAIR OR REPLACE FLOOR WIRE NO.2
OK
2CHECK FLOOR WIRE NO.2(CURTAIN SHIELD SQUIB RH CIRCUIT)
(a)Release the activation prevention mechanism built in the connector ºBº (See page 05±1184).
(b) Measure the resistance between ICR+ and ICR± of the connector ºCº.
OK:
Resistance: 1 M
or Higher
NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK








H40956
Curtain Shield
Squib RHDLC3
TC
CG
DTC B1160/83
Airbag
Sensor
Assy
Center
C
D






H40931
Airbag
Sensor
Assy
Center
Curtain Shield
Squib RH
DLC3
TC
CG
DTC B1160/83
C
D
05±1324
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
3CHECK AIR BAG SENSOR ASSY CENTER
(a)Connect the connector to the airbag sensor assy center.
(b)Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(c)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(d)Clear the stored DTCs in the memory (See page 05±1184).
(e)Turn the ignition switch to the LOCK position.
(f)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(g)Check the DTCs (See page 05±1184).
OK:
DTC B1160/83 is not output.
HINT:
Codes other than code B1160/83 may be output at this time, but
they are not related to this check.
NGREPLACE AIR BAG SENSOR ASSY CENTER
OK
4CHECK CURTAIN SHIELD AIR BAG ASSY RH(CURTAIN SHIELD SQUIB RH)
(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)Connect the connector to the curtain shield airbag assy RH.
(d)Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(e)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(f)Clear the stored DTCs in the memory (See page 05±1184).
(g) Turn the ignition switch to the LOCK position.
(h) Turn the ignition switch to the ON position, and wait for at
least 10 seconds.
(i)Check the DTCs (See page 05±1184). OK:
DTC B1160/83 is not output.
HINT:
Codes other than code B1160/83 may be output at this time, but
they are not related to this check.
NG REPLACE CURTAIN SHIELD AIR BAG ASSY RH
OK
USE SIMULATION METHOD TO CHECK

H42515
Side Airbag Sensor Assy LHAirbag Sensor Assy Center C15
Airbag Sensor Rear LH
L±B
1S14
BCL±
BBL±
22
1
S14 S14 GR±R
BCL+ BBL+S143
4LG±B
GR±LBBL±
BBL+ A2618
A2616
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
05±1317
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1155/39 AIRBAG SENSOR REAR (LH)
MALFUNCTION
CIRCUIT DESCRIPTION
The airbag sensor rear LH consists of the diagnosis circuit and the lateral deceleration sensor, etc.
If the airbag sensor assy center receives the signal from the lateral deceleration sensor signal in the airbag
sensor rear LH, it judges whether or not the SRS should be activated.
DTC B1155/39 is recorded when a malfunction in the airbag sensor rear LH is detected.
DTC No.DTC Detection ConditionTrouble Area
B1155/39

Short circuit in airbag sensor rear LH wire harness (to
ground)

Short circuit in airbag sensor rear LH wire harness (to B+)

Open circuit in BCL+ wire harness or BCL± wire harness
of airbag sensor rear LH

Airbag sensor rear LH malfunction

Side airbag sensor assy LH malfunction

Airbag sensor assy center malfunction

Airbag sensor rear LH

Side airbag sensor assy LH

Airbag sensor assy center

Floor wire
HINT:
DTC B1155/39 is indicated only for the vehicle equipped with the curtain shield airbag.
WIRING DIAGRAM
056MK±04




\b\b\b
H42843
Airbag
Sensor
Assy
Rear LHSide
Airbag
Sensor
Assy LH
DLC3
CG TC
DTC B1155/39
05±1318
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1CHECK DTC
(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)Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(d)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(e)Clear the stored DTCs in the memory (See page 05±1184).
(f) Turn the ignition switch to the LOCK position.
(g) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(h)Check the DTCs (See page 05±1184). OK:
DTC B1155/39 is not output.
HINT:
Codes other than code B1155/39 may be output at this time, but
they are not related to this check.
NG Go to step 2
OK
USE SIMULATION METHOD TO CHECK
2 CHECK CONNECTION OF CONNECTORS
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±)terminal cable from the battery, and wait for at least 90 seconds.
(c) Check that the connectors are properly connected to the side airbag sensor as\
sy LH and the airbag sensor rear LH.
OK:
The connectors are connected.
NG CONNECT CONNECTORS
OK