airbag off TOYOTA AVENSIS 2003 Service Repair Manual
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Page 81 of 2234

D26613
Example:
D25080
Negative (±)
Terminal
±
INTRODUCTION REPAIR INSTRUCTION
01±15
AVENSIS REPAIR MANUAL (RM1018E)
(8) Oil or water should not be put on the front seat outer belt and the front seat outer belt should be
cleaned with the appropriate detergents.
(i) AIRBAG SENSOR ASSEMBLY (1) Never reuse the airbag sensor assembly involved in a collision where the\
SRS has deployed.
(2) The connectors to the airbag sensor assembly should be connected or disc\
onnected with thesensor mounted on the floor. If the connectors are connected or disconnected while the airbag
sensor assembly is not mounted to the floor, it could cause an undesired ignition of the supple-
mental restraint system.
(3) Work must be started after 90 seconds from the time the ignition switch is t\
urned to the ºLOCKº position and the negative (±) terminal cable is disconnected from the battery, even if only loosen-
ing the set bolts of the airbag sensor assembly.
(j) WIRE HARNESS AND CONNECTOR
(1) The SRS wire harness is integrated with the instrument panel wire harness a\
ssembly. All connec-tors in the system are a standard yellow color. If the SRS wire harness becomes disconnected
or the connector becomes broken due to an accident, etc., repair or repl\
ace it.
3. ELECTRONIC CONTROL
(a) REMOVAL AND INSTALLATION OF BATTERY TERMI-NAL
(1) Before performing electronic work, disconnect thebattery negative (±) terminal cable beforehand in
order to prevent it from shorting and burning out.
(2) When disconnecting and insta lling the terminal
cable, turn the ignition switch and lighting switch
OFF, and loosen the terminal nut completely. Per-
form these operations without twisting or prying the
terminal.
(3) When the battery terminal cable is removed, the memories of the clock, radio, DTCs, etc. are erased.
So before removing it, check them and make a note
of their settings.
(4) When the battery negative (±) terminal cable is dis- connected, memories of various systems are
erased. Therefore, refer to the PRE±CHECK for
each system to make sure whether or not the sys-
tem needs to be initialized after the battery negative
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Page 1237 of 2234

5000C±14
±
STEERING COLUMN STEERING SYSTEM
50±1
AVENSIS REPAIR MANUAL (RM1018E)
STEERING SYSTEM
PRECAUTION
1. HANDLING PRECAUTIONS ON STEERING SYSTEM
(a) Be careful to replace the parts properly because they could affect the performance of the steering sys-
tem and result in a driving hazard.
2. HANDLING PRECAUTIONS ON SRS AIRBAG SYSTEM
(a) The vehicle is equipped with SRS (Supplemental Restraint System) such as \
the driver airbag and front passenger airbag. Failure to carry out service operation in the correct sequence \
could cause the SRS
to unexpectedly deploy during servicing, possibly leading to a serious acc\
ident. Before servicing (in-
cluding removal or installation of parts, inspection or replacement), be sure \
to read the precautionary
notices in the supplemental restraint system (See page 60±1).
3. HANDLING PRECAUTIONS ON STEERING COLUMN
(a) Do not give an impact to the steering column assy, especially the motor and the torque sensor. If a great impact is given (dropping it to the floor, etc.), replace it with a new one.
(b) When removing the steering column assy, do not pull the harness.
(c) When having replaced the steering column assy and/or the ECU, calibrate the \
zero point of the steer- ing torque sensor.
(d) In the case of disconnecting a connector related to the power steering sys\
tem, turn the ignition switch ON, set the steering wheel in the straight±ahead position and turn th\
e ignition switch OFF before dis-
connecting the connector.
(e) In the case of connecting a connector related to the power steering system, make sure that the ignit\
ion switch is OFF at first. After connecting the connector, set the steering wheel assy in the straight±ahead
position, and then turn the ignition switch ON.
NOTICE:
Never turn on the ignition switch when the steering wheel assy is set in orde\
r than the straight±ahead
position.
(f) If the above operation is not done, the zero point of the steering torque \
sensor is shifted away from the proper position, making difference in the steering effort between right and left. If this happens, per-
form the zero point calibration of the steering torque sensor (See page 05±1042).
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Page 1391 of 2234

600A1±04
H42701
60±62
±
SUPPLEMENTAL RESTRAINT SYSTEM AIR BAG SENSOR ASSY CENTER
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
1.PRECAUTION (See page 60±1)
2.DISCONNECT BATTERY NEGATIVE TERMINAL (See page 60±1)
3.REMOVE SHIFT LEVER KNOB SUB±ASSY (M/T TRANSAXLE) (See page 71±11)
4.REMOVE CONSOLE PANEL SUB±ASSY UPPER (See page 71±11)
5.REMOVE CONSOLE PANEL SUB±ASSY LOWER (See page 71±11)
6.REMOVE CONSOLE BOX ASSY RR (See page 71±11)
7.REMOVE AIR DUCT REAR NO.3 (See page 71±11)
8.REMOVE AIR DUCT REAR NO.4 (See page 71±11) 9. REMOVE AIR BAG SENSOR ASSY CENTER
(a) Disconnect the 3 connectors from the airbag sensor assycenter.
(b) Remove the 3 bolts and airbag sensor assy center.
10. INSTALL AIR BAG SENSOR ASSY CENTER
(a) Check that the ignition switch is off.
(b) Check that the battery negative (±) terminal is disconnected.
NOTICE:
Do not start the operation for 90 seconds after removing the terminal.
(c) Temporarily install the airbag sensor assy center with the 3 bolts.
NOTICE:
If the airbag sensor assy center has been dropped, or there are any crac\
ks, dents or other de-
fects in the case, bracket or connector, replace the airbag sensor assy center with a new one.
When installing the airbag sensor assy center, take care that the SRS wiring does not interfere
with other parts and is not pinched between other parts.
(d) Tighten the 3 bolts to the specified torque. Torque: 17.5 N m (178 kgfcm, 13 ftlbf)
(e) Connect the connectors to the airbag sensor assy center.
(f) Check that no play is identified.
(g) Check that the water±proof sheet is properly set.
11.INSPECT SRS WARNING LIGHT (See page 05±1184)
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Page 1393 of 2234

600K6±01
H42699
60±64
±
SUPPLEMENTAL RESTRAINT SYSTEM AIR BAG SENSOR FRONT LH
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
HINT:
Replacement procedure of the RH side is the same as that for with LH side.
1.PRECAUTION (See page 60±1)
2.DISCONNECT BATTERY NEGATIVE TERMINAL (See page 60±1) 3. REMOVE AIR BAG SENSOR FRONT LH
(a) Remove the 2 bolts and airbag sensor front LH.
(b) Disconnect the connector from the airbag sensor frontLH.
4. INSTALL AIR BAG SENSOR FRONT LH
(a) Check that the ignition switch is off.
(b) Check that the battery negative (±) is terminal is disconnected.
NOTICE:
Do not start the operation for 90 seconds after removing the terminal.
(c) Install the airbag sensor front LH with the 2 bolts. Torque: 8.0 N m (82 kgf cm, 71 in. lbf)
NOTICE:
If the airbag sensor front LH has been dropped, or there are any cracks,\
dents or other defects
in the case, bracket or connector, replace the airbag sensor front LH with a new one.
When installing the airbag sensor front LH, take care that the SRS wiring does not interfere\
with
other parts and is not pinched between other parts.
(d) Connect the connector to the airbag sensor front LH.
(e) Check that no play is identified.
5.INSPECT SRS WARNING LIGHT (See page 05±1184)
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Page 1395 of 2234

600K8±01
H42769
60±68
±
SUPPLEMENTAL RESTRAINT SYSTEM AIR BAG SENSOR REAR LH
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
HINT:
Replacement procedure of the RH side is the same as that for the LH side.
1.PRECAUTION (See page 60±1)
2.DISCONNECT BATTERY NEGATIVE TERMINAL (See page 60±1)
3.REMOVE REAR DOOR SCUFF PLATE LH (See page 76±36)
4.REMOVE REAR SEAT CUSHION ASSEMBLY (SEDAN MODELS) (See page 76±36)
5.REMOVE REAR SIDE SEAT BACK ASSY LH (See page 76±36) 6. REMOVE AIR BAG SENSOR REAR LH
(a) Disconnect the connector of the airbag sensor rear LH.
(b) Remove the 2 bolts and the airbag sensor rear LH.
7.INSTALL AIR BAG SENSOR REAR LH (See page 60±11)
(a) Check that the ignition switch is off.
(b) Check that the battery negative (±) terminal is disconnected.
NOTICE:
Do not start the operation for 90 seconds after removing the terminal.
(c) Install the airbag sensor rear LH with the 2 bolts. Torque: 8.0 N m (82 kgf cm, 70 ft lbf)
NOTICE:
If the airbag sensor rear LH has been dropped, or there are any cracks, \
dents or other defects
in the case, bracket or connector, replace the airbag sensor rear LH with a new one.
When installing the airbag sensor rear LH, take care that the SRS wiring does not interfere \
with
other parts and is not pinched between other parts.
(d) Connect the connector of the airbag sensor rear LH.
(e) Check that no play is identified.
8.INSPECT SRS WARNING LIGHT (See page 05±1184)
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Page 1403 of 2234

H40005
Battery
SST(s)
H42759
H42760
±
SUPPLEMENTAL RESTRAINT SYSTEM CURTAIN SHIELD AIR BAG ASSY LH
60±43
AVENSIS REPAIR MANUAL (RM1018E)
2. DISPOSE OF CURTAIN SHIELD AIR BAG ASSY LH
(WHEN DISPOSING OF AIRBAG A SSEMBLY
DEPLOYMENT METHOD)
NOTICE:
When disposing of the curtain shield airbag assy LH,
never use the customer's vehicle to deploy the air-
bag.
Be sure to follow the procedure detailed below when
deploying the airbag.
HINT:
Prepare a battery as the power source to deploy the airbag.
(a)Check the performance of the SST(s) (See step 1±(a) on page 60±19).
(b)Remove the curtain shield airbag assy LH (See page 60±38).
CAUTION:
When removing the curtain shield airbag assy LH, work
must be started 90 seconds after the ignition switch is
turned to the ºLOCKº position and the negative (±) terminal
cable is disconnected from the battery.
(c) Cut off the deployment section of the curtain shield airbag assy LH.
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Page 1440 of 2234

600AB±04
H42640
60±70
±
SUPPLEMENTAL RESTRAINT SYSTEM SEAT POSITION AIR BAG SENSOR
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
HINT:
Replacement procedure of the RH side is the same as that of the LH side.
1.PRECAUTION (See page 60±1)
2.DISCONNECT BATTERY NEGATIVE TERMINAL (See page 60±1)
3.REMOVE SEAT TRACK COVER LH (See page 72±16)
4.REMOVE SEAT TRACK BRACKET COVER INNER LH (See page 72±16)
5.REMOVE FRONT SEAT ASSY LH (See page 72±16) 6. REMOVE SEAT POSITION AIR BAG SENSOR
(a) Disconnect the connector of the seat position airbag sen-sor.
(b) Using a torx socket wrench (T30), remove the torx screw and seat position airbag sensor.
7. INSTALL SEAT POSITION AIR BAG SENSOR
(a) Check that the ignition switch is off.
(b) Check that the battery negative (±) terminal is disconnected.
NOTICE:
Do not start the operation for 90 seconds after removing the terminal.
(c) Using a torx socket wrench (T30), install the seat position airbag sen\
sor with the torx screw. Torque: 8.0 N m (82 kgf cm, 71 in. lbf)
NOTICE:
If the seat position airbag sensor has been dropped, or there are any cracks, dents or other de-
fects in the case, bracket or connector, replace the seat position airbag sensor with a new one.
When installing the seat position airbag sensor, take care that the SRS wiring does not interfere
with other parts and is not pinched between other parts.
(d) Connect the connector of the seat position airbag sensor.
(e) Check that no play is identified.
8.INSTALL FRONT SEAT ASSY LH (See page 72±16)
Torque: 37 N m (375 kgf cm, 27 ftlbf)
9.SRS WARNING LIGHT (See page 05±1184)
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Page 1442 of 2234

600A7±03
H42767
60±66
±
SUPPLEMENTAL RESTRAINT SYSTEM SIDE AIR BAG SENSOR ASSY LH
AVENSIS REPAIR MANUAL (RM1018E)
REPLACEMENT
HINT:
Replacement procedure of the RH side is the same as that for with LH side.
1.PRECAUTION (See page 60±1)
2.DISCONNECT BATTERY NEGATIVE TERMINAL (See page 60±1)
3.REMOVE FRONT DOOR SCUFF PLATE LH (See page 76±36)
4.REMOVE REAR DOOR SCUFF PLATE LH (See page 76±36)
5.REMOVE FRONT DOOR WEATHERSTRIP LH (See page 76±36)
6.REMOVE REAR DOOR WEATHERSTRIP LH (See page 76±36)
7.REMOVE CENTER PILLAR GARNISH LOWER LH (See page 76±36)
8.REMOVE FRONT SEAT OUTER BELT ASSY LH (See page 61±7) 9. REMOVE SIDE AIR BAG SENSOR ASSY LH
(a) Remove the bolt and the side airbag sensor assy LH.
(b) Disconnect the connector from the side airbag sensorassy LH.
10. INSTALL SIDE AIR BAG SENSOR ASSY LH
(a) Check that the ignition switch is off.
(b) Check that the battery negative (±) terminal is disconnected.
NOTICE:
Do not start the operation for 90 seconds after removing the terminal.
(c) Install the side airbag sensor assy LH with the nut. Torque: 8.0 N m (82 kgf cm, 70 in. lbf)
NOTICE:
If the side airbag sensor assy LH has been dropped, or there are any cra\
cks, dents or other de-
fects in the case, bracket or connector, replace the side airbag sensor assy LH with a new one.
When installing the side airbag sensor assy LH, take care that the SRS wiring\
does not interfere
with other parts and is not pinched between other parts.
(d) Connect the connector of the side airbag sensor assy LH.
(e) Check that no play is identified.
11.INSTALL FRONT SEAT OUTER BELT ASSY LH (See page 61±7)
12.INSPECT SRS WARNING LIGHT (See page 05±1184)
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Page 1444 of 2234

H42637
H42638Marks
±
SUPPLEMENTAL RESTRAINT SYSTEM SPIRAL CABLE SUB±ASSY
60±27
AVENSIS REPAIR MANUAL (RM1018E)
13. INSTALL SPIRAL CABLE SUB±ASSY
(a) Set the turn signal switch to the neutral position.
NOTICE:
Make sure of the neutral position since the pin of the turn signal switc\
h may be snapped.
(b) Install the spiral cable sub±assy.
NOTICE:
When replacing the spiral cable sub±assy with a new one, remove the l\
ock pin before installing the
steering wheel assy.
(c) Connect the airbag connector and the connector.
(d) Install the steering column cover with the 3 screws.
14. ADJUST SPIRAL CABLE SUB±ASSY
(a) Check that the ignition switch is off.
(b) Check that the battery negative terminal is disconnected.
NOTICE:
Do not start the operation for 90 seconds after removing
the terminal.
(c) Turn the spiral cable sub±assy counterclockwise slowlyby hand until it feels firm.
(d) Then rotate the spiral cable sub±assy clockwise about 2.5 turns to align the marks.
HINT:
The spiral cable sub±assy will rotate about 2.5 turns to both left
and right of the center.
15.INSTALL STEERING COLUMN COVER SUB±ASSY LOWER (See page 50±9)
16.INSTALL INSTRUMENT PANEL AIR BAG ASSY (See page 60±54)
17.INSTALL STEERING WHEEL ASSY (See page 50±9)
18. INSPECT STEERING WHEEL CENTER POINT
19.INSTALL HORN BUTTON ASSY (See page 60±17)
20.INSPECT HORN BUTTON ASSY (See page 60±11)
21.INSPECT SRS WARNING LIGHT (See page 05±1184)
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Page 1458 of 2234

H42657
H42659
60±14
±
SUPPLEMENTAL RESTRAINT SYSTEM SUPPLEMENTAL RESTRAINT SYSTEM
AVENSIS REPAIR MANUAL (RM1018E)
10. INSTRUMENT PANEL AIRBAG ASSY (VEHICLE IN- VOLVED IN COLLISION AND AIRBAG IS NOT
DEPLOYED)
(a)Do a diagnostic system check (See page 05±1184).
(b) Do a visual check of the instrument panel airbag assy re- moved from the vehicle:
Cuts, minute cracks or marked discoloration on the
instrument panel airbag assy.
HINT:
Never repair it in order for reuse or replacement.
There should be no interference between the horn button
assy and steering wheel assy, and the clearance should
be uniform all the around when the new horn button assy
is installed on the steering wheel assy.
CAUTION:
For removal and installation procedures of the horn button
assy, see ºReplacementº on page 60±54, and be sure to fol-
low the correct procedure.
11. AIRBAG SENSOR ASSY CENTER (VEHICLE NOT INVOLVED IN COLLISION)
(a)Do a diagnostic system check (See page 05±1184).
12. AIRBAG SENSOR ASSY CENTER (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS NOT DEPLOYED)
(a)Do a diagnostic system check (See page 05±1184).
13. AIRBAG SENSOR ASSY CENTER (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS
DEPLOYED)
(a)Replace the airbag sensor assy center (See page 60±62).
14. AIRBAG FRONT SENSOR (VEHICLE NOT INVOLVED IN COLLISION)
(a)Do a diagnostic system check (See page 05±1184).
15. AIRBAG FRONT SENSOR (VEHICLE INVOLVED IN COLLISION)
(a)Do a diagnostic system check (See page 05±1184).
(b) When the headlamp of the vehicle or its periphery is damaged, check if t\
here is any damage to the airbag front sensor. If there are any defects as mentioned below, replace the airbag front sensor with
a new one:
If there are any defects as mentioned below, replace the airbag front sensor with a new one:
Cracks, dents or chips in the case.
Cracks, dents, chips and scratches in the connector.
Peeling off of the label or damage to the serial number.
16. AIRBAG FRONT SENSOR (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED)
(a)Replace the airbag front sensor assy (See page 60±64).
17. SIDE AIRBAG SENSOR ASSY (VEHICLES NOT INVOLVED IN COLLISION)
(a)Do a diagnostic system check (See page 05±1184).
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