TOYOTA AVENSIS 2005 Service Repair Manual




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\b
H40951
P/T Squib RHDLC3
CG TC DTC B0131/64
Airbag
Sensor
Assy
Center
PR±
PR+
Floor Wire No.2
Service Wire
C
D
05±1262
±
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 PR+ and PR± 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 B0131/64 is not output.
HINT:
Codes other than code B0131/64 may be output at this time, but
they are not related to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
OK








H40051
P/T Squib RHDLC3
CG TC DTC B0131/64
Airbag
Sensor
Assy
Center
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1263
AVENSIS REPAIR MANUAL (RM1018E)
3 CHECK FRONT SEAT OUTER BELT ASSY RH(P/T 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 front seat outer belt 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 B0131/64 is not output.
HINT:
Codes other than code B0131/64 may be output at this time, but
they are not related to this check.
NG REPLACE FRONT SEAT OUTER BELT ASSY RH
OK
USE SIMULATION METHOD TO CHECK

H01454
A28
PR+
PR± Y±B
Y 1
2Airbag Sensor Assy Center
P17
P/T Squib RH
A289
10 05±1258
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC B0130/63 SHORT IN P/T SQUIB (RH) CIRCUIT
CIRCUIT DESCRIPTION
The P/T squib RH circuit consists of the airbag sensor assy center and the front seat outer belt assy RH (seat
belt pretensioner RH).
This circuit actuates the SRS to deploy when the SRS deployment conditions are fulfilled.
DTC B0130/63 is recorded when a short circuit is detected in the P/T squib RH circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0130/63

Short circuit between PR+ wire harness and PR± wire har-
ness of P/T squib RH

P/T squib RH malfunction

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

Airbag sensor assy center

Floor wire No.2
WIRING DIAGRAM
056M7±03




H40048
Airbag
Sensor
Assy
Center
P/T Squib RH
PR±
PR+
Floor Wire No.2
A
B
C
D
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1259
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 assy center and the front seat\
outer belt assy RH.
(d)Check that the floor wire No.2 connector (on the front seat outer belt assy \
RH side) 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(P/T SQUIB RH CIRCUIT)
(a)Release the activation prevention mechanism built in the connector ºBº (See page 05±1184).
(b) Measure the resistance between PR+ and PR± of the connector ºCº.
OK:
Resistance: 1 M
or Higher
NG REPAIR OR REPLACE FLOOR WIRE NO.2
OK









H42114
P/T Squib RHAirbag
Sensor
Assy
Center
CG TC
DLC3
DTC B0130/63
C
D







H40050
DLC3
CG TC DTC B0130/63
P/T Squib RH
Airbag
Sensor
Assy
Center
C
D
05±1260
±
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 B0130/63 is not output.
HINT:
Codes other than code B0130/63 may be output at this time, but
they are not related to this check.
NGREPLACE AIR BAG SENSOR ASSY CENTER
OK
4CHECK FRONT SEAT OUTER BELT ASSY RH(P/T 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 front seat outer belt 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 B0130/63 is not output.
HINT:
Codes other than code B0130/63 may be output at this time, but
they are not related to this check.
NG REPLACE FRONT SEAT OUTER BELT ASSY RH
OK
USE SIMULATION METHOD TO CHECK

H42513
B9
Buckle SW (Driver's Seat)
Buckle SW
3
1G±Y
W±BAirbag Sensor Assy Center
LBE+
LBE± 19
2 A26
A26 05±1254
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC B0126/27 SEAT BELT BUCKLE SWITCH (LH)
MALFUNCTION
DTC B0127/27 SEAT BELT BUCKLE SWITCH (LH)
MALFUNCTION
CIRCUIT DESCRIPTION
The seat belt buckle switch LH circuit consists of the airbag sensor assy center and the front seat inner belt
assy LH (seat belt buckle switch LH).
DTC B0126/27 or B0127/27 is recorded when a malfunction is detected in the seat belt buckle switch LH
circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0126/B0127/
27

Short circuit in seat belt buckle switch LH wire harness (to
ground)

Short circuit in seat belt buckle switch LH wire harness (to
B+)

Front seat inner belt assy LH malfunction

Airbag sensor assy center malfunction

Front seat inner belt assy LH (Seat belt buckle switch LH)

Airbag sensor assy center

Floor wire
HINT:
DTC B0126/27 or B0127/27 is indicated only for the LHD vehicle.
WIRING DIAGRAM
056M6±03

H41707
Airbag
Sensor
Assy
Center Front Seat Inner
Belt Assy LH
LBE+
Floor Wire
A
B C D
H41707
Airbag
Sensor
Assy
Center Front Seat Inner
Belt Assy LH
LBE+
Floor Wire
A
B C D
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
05±1255
AVENSIS REPAIR MANUAL (RM1018E)
INSPECTION PROCEDURE
1 CHECK FLOOR WIRE(TO B+)
(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 inner 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 LBE+
of the connector ºBº.
OK:
Voltage: Below 1 V
NG REPAIR OR REPLACE FLOOR WIRE
OK
2 CHECK 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
LBE+ of the connector ºBº.
OK:
Resistance: 1 M
or Higher
NG REPAIR OR REPLACE FLOOR WIRE
OK

H41708
Airbag
Sensor
Assy
Center Front Seat Inner
Belt Assy LH
LBE+
Floor Wire
LBE±
A
B
H41708
Airbag
Sensor
Assy
Center Front Seat Inner
Belt Assy LH
LBE+
Floor Wire
LBE±
A
B
05±1256
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
3 CHECK FRONT SEAT INNER BELT ASSY LH
(a) Connect the connector to the front seat inner belt assy
LH.
(b) Unlock the seat belt at the front seat LH.
(c) Measure the resistance between LBE+ and LBE± of the
connector ºBº.
OK:
Resistance: 1.0 k
to 1.6 k

NG REPLACE FRONT SEAT INNER BELT ASSY LH
OK
4 CHECK FRONT SEAT INNER BELT ASSY LH
(a) Lock the seat belt at the front seat LH.
(b) Measure the resistance between LBE+ and LBE± of the
connector ºBº.
OK:
Resistance: 100
to 500

NG REPLACE FRONT SEAT INNER BELT ASSY LH
OK

\b 



\bH41027
Front Seat Inner
Belt Assy LHAirbag
Sensor
Assy
Center
DTC B0126/B0127/27
DLC3
TC
CG
±
DIAGNOSTICS SUPPLEMENTAL RESTRAINT SYSTEM
05±1257
AVENSIS REPAIR MANUAL (RM1018E)
5CHECK 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 B0126/27 or B0127/27 is not output.
HINT:
Codes other than code B0126/27 or B0127/27 may be output
at this time, but they are not relevant to this check.
NG REPLACE AIR BAG SENSOR ASSY CENTER
OK
USE SIMULATION METHOD TO CHECK

H42513
RBE+
RBE± G±Y
W±B 3
1 B9
Buckle SW (Driver's Seat)
Buckle SWAirbag Sensor Assy Center
14
A28
3
A28 05±1250
± DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
DTC B0121/26 SEAT BELT BUCKLE SWITCH (RH)
MALFUNCTION
DTC B0122/26 SEAT BELT BUCKLE SWITCH (RH)
MALFUNCTION
CIRCUIT DESCRIPTION
The seat belt buckle switch RH circuit consists of the airbag sensor assy center and the front seat inner belt
assy RH (seat belt buckle switch RH).
DTC B0121/26 or B0122/26 is recorded when a malfunction is detected in the seat belt buckle switch RH
circuit.
DTC No.DTC Detecting ConditionTrouble Area
B0121/B0122/
26

Short circuit in seat belt buckle switch RH wire harness (to
ground)

Short circuit in seat belt buckle switch RH wire harness (to
B+)

Seat belt buckle switch RH malfunction

Airbag sensor assy center

Front seat inner belt assy RH (Seat belt buckle switch RH)

Airbag sensor assy center

Floor wire No.2
HINT:
DTC B0121/26 or B0122/26 is indicated only for the RHD vehicle.
WIRING DIAGRAM
056M5±03