window TOYOTA RAV4 1996 Service Repair Manual

DEPLOYING AIR BAG
On-Vehicle Deployment (Scrapped Vehicles Only)
1. Before proceeding, follow service precautions. See SERVICE PRECAUTIONS . Turn ignition switch
to LOCK position. Disconnect and shield negative battery cable. Wait at least 90 seconds before working
on system.
2. Disable air bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
. Connect
Deployment Tool (09082-00700) to air bag connector. Position deployment tool at least 33 feet from
front of vehicle.
3. Close all doors and windows of vehicle. Connect deployment tool Red clip to positive battery terminal
and Black clip to negative battery terminal. Ensure no one is within 33 feet of vehicle. Press deployment
tool activation switch to deploy air bag. Because of heat, DO NOT touch air bag for at least 30 minutes
after deployment.
Off-Vehicle Deployment (Driver-Side)
1. Before proceeding, see SERVICE PRECAUTIONS . Disable SRS. See DISABLING &
ACTIVATING AIR BAG SYSTEM . Remove steering wheel pad from vehicle. See STEERING
WHEEL PAD & SPIRAL CABLE under REMOVAL & INSTALLATION.
2. Remove connector on steering wheel pad rear surface and install 2.236" (6.0 mm) bolts (1.38" 35 mm
long) with washers in steering wheel pad. Bolts should have a pitch of .039" (1.0 mm). Tighten bolts by
hand until they become difficult to turn. DO NOT overtighten bolts. Obtain a wheel and tire assembly.
Using a service-purpose wire harness, tie down the steering wheel pad to the wheel and tire assembly.
3. Wrap heavy-gauge 3-wire harness around bolts at least twice. See Fig. 4
. Ensure no slack is present in
wire. If slack is present, or if wire is not strong enough, steering wheel pad may become loose due to
shock when air ba
g is deployed. glasses when handling components. Wrap deployed components in a
sturdy plastic bag. Dispose of components like any other part.
WARNING:When attaching air bag assembly to tire, ensure wire is tight. If slack
is present, or if wire is not strong enough, air bag assembly may
become loose due to shock when air bag is deployed.

1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
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DISPOSAL PROCEDURES
ON-VEHICLE DEPLOYMENT (SCRAPPED VEHICLES ONLY)
Driver-Side & Passenger-Side Air Bag Module
1. Before proceeding, see SERVICE PRECAUTIONS . Ensure steering wheel, driver-side air bag module
and passenger-side air bag are not loose. If components are loose, deploy air bag(s) using OFF
-
VEHICLE DEPLOYMENT procedure.
2. If deploying driver-side air bag module, disconnect spiral cable connector accessible by removal of lower
steering column cover. If deploying passenger-side air bag module, disconnect passenger-side air bag
connector, accessible by removal of glove box. See Fig. 3
. For either air bag, connect Deployment Tool
(09082-00700) connector to air bag module connector. Position deployment tool at least 33 feet from
front of vehicle.
3. Close all doors and windows of vehicle. Connect deployment tool Red clip to positive battery terminal
and Black clip to negative battery terminal. Ensure no one is inside or within 33 feet of vehicle. Press
activation switch to deploy air bag. Because of heat, DO NOT touch air bag for at least 30 minutes after
deployment.
Seat Belt Pretensioner
1. Before proceeding, see SERVICE PRECAUTIONS . Ensure seat belt pretensioner is not loose. If
components are loose, remove and deploy using OFF
-VEHICLE DEPLOYMENT procedure. Access
and disconnect appropriate seat belt pretensioner connector. See SEAT BELT PRETENSIONER under
REMOVAL & INSTALLATION
.
2. Connect Deployment Tools (09082-00700 and 09082-00740) to appropriate seat belt pretensioner
connector. Position deployment tool at least 33 feet from front of vehicle. Close all doors and windows of
vehicle. Connect deployment tool Red clip to positive battery terminal and Black clip to negative battery
terminal.
3. Ensure no one is inside vehicle or within 33 feet of vehicle. Press activation switch to deploy air bag.
Because of heat, DO NOT touch air bag for at least 30 minutes after deployment. Scrap vehicle with air
bag(s) still installed.
OFF-VEHICLE DEPLOYMENT
Driver-Side Air Bag Module
1. Before proceeding, see SERVICE PRECAUTIONS. Disable air bag system. See DISABLING
WARNING:Undeployed air bags contain substances that can cause illness or injury if
improperly handled. Disposing of an undeployed air bag may violate
federal, state and/or local laws. If scrapping vehicle, air bag must be
deployed while still mounted in vehicle. DO NOT deploy air bags inside
vehicle unless vehicle is to be scrapped. Wear gloves and safety glasses
when handling air bag. Wrap deployed air bag in a sturdy plastic bag and
dispose of it like any other part.

1999 Toyota RAV4
AIR BAG RESTRAINT SYSTEM 1999 Toyota
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1999-2000 ACCESSORIES & EQUIPMENT
Rear Window & Mirror Defoggers
DESCRIPTION & OPERATION
Rear window defogger systems use a heating wire grid bonded to the inside of window. Electrical power to
heating grid is supplied by defogger relay, which is controlled by defogger switch. Some switches have an
integrated timer, which turns system off after 12-18 minutes of operation. Some models are equipped with
outside rearview mirror defoggers.
ON-VEHICLE SERVICE
GRID FILAMENT REPAIR
Clean broken wire tips thoroughly. Place masking tape along both sides of broken wire. See Fig. 1
. Apply
Repair Paste (DuPont 4817) to broken section of grid. Remove masking tape after paste has dried. Wait 24
hours before using defogger.
Fig. 1: Repairing Rear Defogger Grid Filament

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TROUBLE SHOOTING
DEFOGGER DOES NOT WORK NOTE: This article also applies to Lexus LX470, refer to Land Cruiser, unless otherwise
indicated.

1999 Toyota RAV4
1999-2000 ACCESSORIES & EQUIPMENT Rear Window & Mirror Defoggers

1999 Toyota RAV4
1999-2000 ACCESSORIES & EQUIPMENT Rear Window & Mirror Defoggers
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Blown fuse or poor contact. Defogger switch defective. Poor connections. Broken wire. Relay defective.
INDICATOR LIGHT DOES NOT WORK
Bulb burned out. Open wire or poor connection.
REAR WINDOW DEFOGGER SYSTEM CHECK
1. Ensure all in-line fuses or circuit breakers are okay. Turn ignition and control switches to ON position.
Glass should feel warm after a few minutes.
2. If glass is not warm, use a test light or voltmeter to check for battery voltage at grid feed wire. If voltage
is not correct, check wiring harness, control switch and timer/relay.
SYSTEM TESTS
DEFOGGER SWITCH CIRCUIT
2000 Celica
1. Disconnect defogger switch 10-pin connector. Check continuity between ground and defogger switch
harness connector terminal No. 3 (White/Black wire). See Fig. 2
. If continuity exists, go to next step. If
continuity does not exist, repair ground circuit as necessary. See WIRING DIAGRAMS
.
2. Turn ignition on. Measure voltage between ground and defogger switch harness connector terminal No. 5
(Red/White wire). Battery voltage should exist. With ignition switch in LOCK or ACC position, no
voltage should exist. If voltage is as specified, go to next step. If voltage is not as specified, repair
appropriate circuit as necessary. See WIRING DIAGRAMS
.
3. Connect defogger switch harness connector. Turn ignition on. Measure voltage between ground and
defogger switch connector (backprobe) terminal No. 5 (Red/White wire). Battery voltage should exist.
Turn defogger switch to ON position. No voltage should exist. If voltage is not as specified, replace
defo
gger switch and retest system.

1999 Toyota RAV4
1999-2000 ACCESSORIES & EQUIPMENT Rear Window & Mirror Defoggers
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Fig. 2: Identifying Defogger Switch Harness Connector Terminals (2000 Celica)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
MR2
1. Disconnect defogger switch 14-pin connector. Check continuity between ground and defogger switch
harness connector terminal No. 4 (White/Black wire). See Fig. 3
. If continuity exists, go to next step. If
continuity does not exist, repair ground circuit as necessary. See WIRING DIAGRAMS
.
2. Turn ignition on. Measure voltage between ground and defogger switch harness connector terminal No.
12 (Pink/Blue wire). Battery voltage should exist. With ignition switch in LOCK or ACC position, no
voltage should exist. If voltage is as specified, go to next step. If voltage is not as specified, repair
appropriate circuit as necessary. See WIRING DIAGRAMS
.
3. Connect defogger switch harness connector. Turn ignition on. Measure voltage between ground and
defogger switch connector (backprobe) terminal No. 12 (Pink/Blue wire). Battery voltage should exist.
Turn defogger switch to ON position. No voltage should exist. If voltage is not as specified, replace
defo
gger switch and retest system.

1999 Toyota RAV4
1999-2000 ACCESSORIES & EQUIPMENT Rear Window & Mirror Defoggers
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Fig. 3: Identifying Defogger Switch Harness Connector Terminals (MR2)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
DEFOGGER SWITCH TIMER CIRCUIT
Camry & Camry Solara
Disconnect defogger switch 6-pin connector. Use DVOM to check circuits as specified. See DEFOGGER
TIMER CIRCUIT TEST (CAMRY & CAMRY SOLARA) table. If readings are not as specified, repair
circuit as necessary. If readings are as specified, replace defogger switch and retest system.
DEFOGGER TIMER CIRCUIT TEST (CAMRY & CAMRY SOLARA)
Check Between Ground &
Pin No.
(1) ConditionSpecification
3AllContinuity
4IGN In LOCK/ACCZero Volts
4IGN In ONBattery Voltage

1999 Toyota RAV4
1999-2000 ACCESSORIES & EQUIPMENT Rear Window & Mirror Defoggers
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Corolla & Tercel
Disconnect defogger switch 6-pin connector. Use DVOM to check circuits as specified. See DEFOGGER
TIMER CIRCUIT TEST (COROLLA & TERCEL) table. If readings are not as specified, repair circuit as
necessary. If readings are as specified, replace defogger switch and retest system.
DEFOGGER TIMER CIRCUIT TEST (COROLLA & TERCEL)
ECHO
Disconnect defogger switch 4-pin connector. Use DVOM to check circuits as specified. See DEFOGGER
TIMER CIRCUIT TEST (ECHO) table. If readings are not as specified, repair circuit as necessary. If
readings are as specified, replace defogger switch and retest system.
DEFOGGER TIMER CIRCUIT TEST (ECHO)
Land Cruiser
Disconnect control panel 22-pin connector C9. See Fig. 4 and Fig. 12 . Use DVOM to check circuits as
specified. See CONTROL PANEL SWITCH CIRCUIT TEST (LAND CRUISER)
table. If readings are as
specified, replace switch and retest system. If readings are not as specified, repair circuit as necessary. If
readin
gs are as specified, replace defogger switch and retest system.
5IGN In LOCK/ACCZero Volts
5IGN In ONBattery Voltage
(1)See Fig. 9 .
Check Between Ground &
Pin No.
(1) ConditionSpecification
3AllContinuity
2IGN In LOCK/ACCZero Volts
2IGN In ONBattery Voltage
6IGN In LOCK/ACCZero Volts
6IGN In ONBattery Voltage
(1)See Fig. 9 .
Check Between Ground &
Pin No.
(1) ConditionSpecification
2AllContinuity
3IGN In LOCK/ACCZero Volts
3IGN In ONBattery Voltage
4Defogger Switch OffNo Continuity
4Defogger Switch OnContinuity
(1)See Fig. 11 .

1999 Toyota RAV4
1999-2000 ACCESSORIES & EQUIPMENT Rear Window & Mirror Defoggers
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CONTROL PANEL SWITCH CIRCUIT TEST (LAND CRUISER)
Fig. 4: Control Panel Connector C9 Terminals (Land Cruiser)

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Sienna
Disconnect defogger switch 6-pin connector. Use DVOM to check circuits as specified. See DEFOGGER
TIMER CIRCUIT TEST (SIENNA) table. If readings are not as specified, repair circuit as necessary. If
readings are as specified, replace defogger switch and retest system.
DEFOGGER TIMER CIRCUIT TEST (SIENNA)
Check Between Ground & Pin
No.
(1) ConditionSpecification
22ConstantContinuity
12ConstantBattery Voltage
1Ignition In LOCK/ACCZero Volts
1Ignition In ONBattery Voltage
2Ignition In LOCKZero Volts
2Ignition In ACC/ONBattery Voltage
(1)See Fig. 4 .
Check Between Ground & Pin No.(1) ConditionSpecification

1999 Toyota RAV4
1999-2000 ACCESSORIES & EQUIPMENT Rear Window & Mirror Defoggers
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4Runner
Disconnect defogger switch 6-pin connector. See WIRING DIAGRAMS . Use DVOM to check circuits as
specified. See DEFOGGER TIMER CIRCUIT TEST (4RUNNER)
table. If readings are not as specified,
repair circuit as necessary. If readings are as specified, replace defogger switch and retest system.
DEFOGGER TIMER CIRCUIT TEST (4RUNNER)
INSTRUMENT PANEL JUNCTION BLOCK (REAR DEFOGGER)
Circuit Test (RAV4)
Remove instrument panel junction block located under driver's side of instrument panel. Inspect 23-pin
connector "A" terminals with DVOM by backprobing specified terminals. Disconnect junction block 15-pin
connector "B". Test specified terminal. See JUNCTION BLOCK CONNECTOR CIRCUIT TEST
table.
See WIRING DIAGRAMS
. If circuit is okay, replace relay. If circuit is not okay, repair as necessary.
JUNCTION BLOCK CONNECTOR CIRCUIT TEST
Operational Check (RAV4)
Disconnect 23-pin connector "A" from junction block. Connect positive lead of DVOM to junction block
3AllContinuity
1IGN In LOCK/ACCZero Volts
1IGN In ONBattery Voltage
2IGN In LOCK/ACCZero Volts
2IGN In ONBattery Voltage
(1)See Fig. 9 .
Check Between Ground & Pin No.(1) ConditionSpecification
4AllContinuity
2IGN In LOCK/ACCZero Volts
2IGN In ONBattery Voltage
6IGN In LOCK/ACCZero Volts
6IGN In ONBattery Voltage
(1)See Fig. 14 .
Check Between Ground &
Terminal No.
Switch PositionSpecification
A5ONContinuity
A11All PositionsContinuity
B4All PositionsContinuity
B3All PositionsBattery Voltage

1999 Toyota RAV4
1999-2000 ACCESSORIES & EQUIPMENT Rear Window & Mirror Defoggers
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terminal C7 and negative lead to ground. Connect jumper wire between 23-pin connector "A" cavity terminal
A5 and ground. See Fig. 5
. If continuity is not indicated, replace junction block.
Fig. 5: Identifying Junction Block Connector Terminals (RAV4)

1999 Toyota RAV4
1999-2000 ACCESSORIES & EQUIPMENT Rear Window & Mirror Defoggers
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