TOYOTA AVENSIS 2005 Service Repair Manual








H42837
Airbag
Sensor
Assy
Center Floor Wire
Side
Airbag
Sensor
Assy LH
BBL± BBL+
w/o Curtain
Shield Airbag:w/ Curtain
Shield Airbag:
BCL±
BCL+BBL±
BBL+
A
B
C D










H42231
Side
Airbag
Sensor
Assy LHAirbag
Sensor
Assy
Center
BBL±
BBL+Floor Wire
A
B C D
05±1290
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
3 CHECK FLOOR WIRE(OPEN)
(a) Disconnect the connectors from the airbag sensor assy
center and the side airbag sensor assy RH.
(b) w/ Curtain shield airbag:
Using a service wire, connect BCL+ and BCL± of the con-
nector ºCº.
NOTICE:
Do not forcibly insert a service wire into the terminal of the
connector when connecting.
(c) w/o Curtain shield airbag:
Using a service wire, connect BBL+ and BBL± of the con-
nector ºCº.
NOTICE:
Do not forcibly insert a service wire into the terminal of the
connector when connecting.
(d) Measure the resistance between BBL+ and BBL± of the
connector ºBº.
OK:
Resistance: Below 1

NG REPAIR OR REPLACE FLOOR WIRE
OK
4 CHECK FLOOR WIRE(TO B+)
(a) Disconnect the service wire from the connector ºCº.
(b) Connect the negative (±) terminal cable to the battery,
and turn the ignition switch to the ON position.
(c) Measure the voltage between the body ground and each
of BBL+ and BBL± of the connector ºBº.
OK:
Voltage: Below 1 V
NG REPAIR OR REPLACE FLOOR WIRE
OK




\b




\bH42231
Side
Airbag
Sensor
Assy LH Airbag
Sensor
Assy
Center
BBL± BBL+Floor Wire































H42116
Airbag
Sensor
Assy
Center
DLC3
CG TC DTC B1140/32
DTC B1141/33
Side
Airbag
Sensor
Assy RH
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1291
AVENSIS REPAIR MANUAL (RM1018E)
5CHECK FLOOR WIRE(TO GROUND)
(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)Measure the resistance between the body ground and each of BBL+ and BBL± of the connector ºBº.
OK:
Resistance: 10 k
or Higher
NGREPAIR OR REPLACE FLOOR WIRE
OK
6CHECK SIDE AIR BAG SENSOR ASSY 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 airbag sensor assy center.
(d)Interchange the side airbag sensor assy RH with LH and connect the connectors to them.
(e)Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(f)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(g)Clear the stored DTCs in the memory (See page 05±1184).
(h) Turn the ignition switch to the LOCK position.
(i) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(j)Check the DTCs (See page 05±1184). OK:
A: DTC B1140/32 is not output.
B: DTC B1141/33 is not output.
NG:A REPLACE AIR BAG SENSOR ASSY CENTER
NG:B REPLACE SIDE AIR BAG SENSOR ASSY LH
OK
USE SIMULATION METHOD TO CHECK

H42521
Side Airbag Sensor Assy RH
Airbag Sensor Assy Center
*1: w/ Curtain Shield Airbag
*2: w/o Curtain Shield AirbagBBR+
BBR± BBR+
BCR±GR
PA2817
15 S152 4
1 3(*2) (*1)
BBR± BCR+S15
S15 S15 (*1)
(*2)
(*1)
(*2)
A28
(*2) (*1) 05±1284
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC B1140/32 SIDE AIRBAG SENSOR ASSY (RH)
MALFUNCTION
CIRCUIT DESCRIPTION
The side airbag sensor assy RH consists of the diagnosis circuit and the lateral deceleration sensor, etc.
If the airbag sensor assy center receives signals from the lateral deceleration sensor, it judges whether or
not the SRS should be activated.
DTC B1140/32 is recorded when a malfunction in the side airbag sensor assy RH is detected.
DTC No.DTC Detecting ConditionTrouble Area
B1140/32

Short circuit in side airbag sensor assy RH wire harness
(to B+)

Short circuit in side airbag sensor assy RH wire harness
(to ground)

Open circuit in BBR+ wire harness or BBR± wire harness of
side airbag sensor assy RH

Side airbag sensor assy RH malfunction

Airbag sensor assy center malfunction

Side airbag sensor assy RH

Airbag sensor assy center

Floor wire No.2
WIRING DIAGRAM
05C5Y±01

















H40442
Side
Airbag
Sensor
Assy RH Airbag
Sensor
Assy
Center
DLC3
CGTC
DTC B1140/32
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1285
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 B1140/32 is not output.
HINT:
Codes other than code B1140/32 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 airbag sensor assy ce\
nter and the side airbag sensor assy RH.
OK:
The connectors are connected.
NG CONNECT CONNECTORS
OK






H42838
Airbag
Sensor
Assy
Center Floor Wire No.2
BBR+
BBR±Side Airbag
Sensor Assy RH
w/o Curtain
Shield Airbag:w/ Curtain
Shield Airbag:
BBR+BBR±
BCR+
BCR±
A
B C D



 


 H42229
Side
Airbag
Sensor
Assy RHAirbag
Sensor
Assy
Center
BBR±
BBR+
Floor Wire No.2
A
B C D
05±1286
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
3 CHECK FLOOR WIRE NO.2(OPEN)
(a) Disconnect the connectors from the airbag sensor assy
center and the side airbag sensor assy RH.
(b) w/o Curtain shield airbag:
Using a service wire, connect BCR+ and BCR± of the con-
nector ºCº.
NOTICE:
Do not forcibly insert a service wire into the terminal of the
connector when connecting.
(c) w/ Curtain shield airbag:
Using a service wire, connect BBR+ and BBR± of the con-
nector ºCº.
NOTICE:
Do not forcibly insert a service wire into the terminal of the
connector when connecting.
(d) Measure the resistance between BBR+ and BBR± of the
connector ºBº.
OK:
Resistance: Below 1

NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK
4 CHECK FLOOR WIRE NO.2(TO B+)
(a) Disconnect the service wire from the connector ºCº.
(b) Connect the negative (±) terminal cable to the battery,
and turn the ignition switch to the ON position.
(c) Measure the voltage between the body ground and each
of BBR+ and BBR± of the connector ºBº.
OK:
Voltage: Below 1 V
NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK


 \b\b


 \b\bH42229
Side
Airbag
Sensor
Assy RHAirbag
Sensor
Assy
Center
BBR±
BBR+
Floor Wire No.2
A
B
C
D




























H42115
Airbag
Sensor
Assy
Center
DLC3
CGTC DTC B1140/32
DTC B1141/33
Side
Airbag
Sensor
Assy LH
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1287
AVENSIS REPAIR MANUAL (RM1018E)
5CHECK FLOOR WIRE NO.2(TO GROUND)
(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)Measure the resistance between the body ground and each of BBR+ and BBR± of the connector ºCº.
OK:
Resistance: 10 k
or Higher
NGREPAIR OR REPLACE FLOOR WIRE NO.2
OK
6CHECK SIDE AIR BAG SENSOR ASSY 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 airbag sensor assy center.
(d)Interchange the side airbag sensor assy RH with LH and connect the connectors to them.
(e)Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(f)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(g)Clear the stored DTCs in the memory (See page 05±1184).
(h) Turn the ignition switch to the LOCK position.
(i) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(j)Check the DTCs (See page 05±1184). OK:
A: DTC B1140/32 is not output.
B: DTC B1141/33 is not output.
NG:A REPLACE SIDE AIR BAG SENSOR ASSY RH
NG:B REPLACE AIR BAG SENSOR ASSY CENTER
OK
USE SIMULATION METHOD TO CHECK




H41086
DLC3
CG TC DTC B1100/31
05±1282
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTCB1100/31AIRBAG SENSOR ASSY CENTER MALFUNCTION
CIRCUIT DESCRIPTION
The airbag sensor assy center consists of the airbag sensor, the safing sensor, the drive circuit, the diagnosis
circuit and the ignition control, etc.
If the airbag sensor assy center receives signals from the airbag sensor, it judges whether or not the SRS
should be activated.
DTC B1100/31 is recorded when a malfunction in the airbag sensor assy center i\
s detected.
DTC No.DTC Detecting ConditionTrouble Area
B1100/31
Airbag sensor assy center malfunction

Half connection detection malfunction
Airbag sensor assy center

Airbag sensor assy center connector
HINT:
When a malfunction code other than code B1100/31 is displayed at the same time, first repair the malfunction
indicated by the malfunction code other than code B1100/31.
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 B1100/31 is not output.
HINT:
Codes other than code B1100/31 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
05C5X±01

H40441
Disconnection Detection Pin






H41086
DLC3DTC B1100/31
CG TC
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1283
AVENSIS REPAIR MANUAL (RM1018E)
2CHECK 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)Check the connection of the airbag sensor assy center connectors.
OK:
The connectors are connected.
NGCONNECT CONNECTORS, THEN GO TO STEP1
OK
3PERFORM A VISUAL CHECK OF THE DISCONNECTION DETECTION PIN
(a)Check that the disconnection detection pin is not de- formed.
OK:
The connectors are not deformed.
NGREPAIR OR REPLACE AIRBAG SENSOR ASSY CENTER CONNECTOR
OK
4CHECK AIR BAG SENSOR ASSY CENTER
(a)Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(b)Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(c)Clear the stored DTCs in the memory (See page 05±1184).
(d) Turn the ignition switch to the LOCK position.
(e) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(f)Check the DTCs (See page 05±1184).
OK:
DTC B1100/31 is not output.
HINT:
Codes other than code B1100/31 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
OK
USE SIMULATION METHOD TO CHECK




H40056
P/T Squib LHPL±
PL+ Airbag
Sensor
Assy
CenterFloor Wire
A
B
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1279
AVENSIS REPAIR MANUAL (RM1018E)
DTC B0138/72 SHORT IN P/T SQUIB (LH) CIRCUIT (TO B+)
CIRCUIT DESCRIPTION
The P/T squib LH circuit consists of the airbag sensor assy center and the \
front seat outer belt assy LH (seat
belt pretensioner LH).
This circuit actuates the SRS to deploy when the SRS deployment conditio\
ns are fulfilled.
DTC B0138/72 is recorded when a short to B+ is detected in the P/T squib\
LH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0138/72

Short circuit in P/T squib LH wire harness (to B+)

P/T squib LH malfunction

Airbag sensor assy center malfunction
Front seat outer belt assy LH (P/T squib LH)

Airbag sensor assy center

Floor wire
WIRING DIAGRAM
See page 05±1270.
INSPECTION PROCEDURE
1 CHECK FLOOR WIRE(P/T 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 front seat outer belt 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 PL+ of the connector ºCº.
OK:
Voltage: Below 1 V
NG REPAIR OR REPLACE FLOOR WIRE
OK
054M6±07



\b








H40957
P/T Squib LHDLC3 TC
CG
DTC B0138/72
Airbag
Sensor
Assy
Center
PL±
PL+
Floor Wire
Service Wire
C
D
05±1280
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
2 CHECK AIR BAG SENSOR ASSY CENTER
(a) Turn the ignition switch to the LOCK position.
(b) Disconnect the negative (±) terminal cable from the bat- tery, and wait for at least 90seconds.
(c) Connect the connector to the airbag sensor assy center.
(d) Using a service wire, connect PL+ and PL± of the connec- tor ºCº.
NOTICE:
Do not forcibly insert a service wire into the terminal of the
connector when connecting.
(e) Connect the negative (±) terminal cable to the battery, and wait for at least 2 seconds.
(f) Turn the ignition switch to the ON position, and wait for at least 10 seconds.
(g)Clear the stored DTCs in the memory (See page 05±1184).
(h) Turn the ignition switch to the LOCK position.
(i) Turn the ignition switch to the ON position, and wait for at
least 10 seconds.
(j)Check the DTCs (See page 05±1184). OK:
DTC B0138/72 is not output.
HINT:
Codes other than code B0138/72 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
OK