service TOYOTA RAV4 1996 Service Repair Manual

Fig. 11: Exploded View of ABS Actuator
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
ABS ECU
Removal & Installation
Ensure ignition is off. Disconnect negative battery cable. Access ABS ECU, located at right side of passenger
compartment. See Fig. 1
. Disconnect ABS ECU connectors. Remove ABS ECU from vehicle. To install,
reverse removal procedure.
FRONT SENSOR ROTOR
Removal & Installation
Front sensor is part of front hub. For removal and installation of front hub, see AXLE SHAFTS - RAV4 article
in DRIVE AXLES.
REAR SENSOR ROTOR
Removal & Installation
Rear sensor rotor is pressed onto axle shaft. For axle shaft removal and installation procedure, see AXLE
SHAFTS - RAV4 article in DRIVE AXLES.
FRONT WHEEL SPEED SENSORS
Removal & Installation
1. Raise and support front of vehicle. Remove front wheel. Remove inner fender panel. Disconnect wheel
speed sensor connector. Remove clamp bolts holding sensor harness to body, strut assembly and steering
knuckle.
2. Remove wheel speed sensor mounting bolt. Remove wheel speed sensor from steering knuckle. To
install, reverse removal procedure. Ensure wheel speed sensor is flat against knuckle when bolt is
tightened. Tighten wheel speed sensor mounting bolt to specification. See TORQUE
SPECIFICATIONS .
REAR WHEEL SPEED SENSORS
Removal & Installation
1. Remove rear seat cushion and side trim panel. Raise and support vehicle. Remove wheel. Unplug wheel
speed sensor connector and remove wire harness from grommet. Disconnect parking brake cable from
suspension arm. Remove clamp bolts holding sensor wiring harness to body and suspension arm.
2. Remove wheel speed sensor. To install, reverse removal procedure. Ensure wheel speed sensor is flat NOTE: Front hub must be removed to service sensor rotor.

1999 Toyota RAV4
1999-2000 BRAKES Anti-Lock - RAV4
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AIR BAG RESTRAINT SYSTEM
1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
DESCRIPTION & OPERATION
Supplemental Restraint System (SRS) deploys a steering wheel pad (driver-side air bag) and passenger-side air
bag during a frontal impact of sufficient force. See Fig. 1. WARNING:To avoid injury from accidental air bag deployment, read and carefully
follow all WARNINGS and SERVICE PRECAUTIONS.

1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System

1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
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The air bag sensor, which deploys air bags, contains a back-up power supply, safing sensor and diagnostic code
memory. Spiral cable (clockspring) maintains a complete circuit to the steering wheel pad.
SYSTEM OPERATION CHECK
Turn ignition switch to ACC or ON position. Air bag warning light in instrument cluster should come on for
about 6 seconds and then go out. If light does not respond as specified, SRS is malfunctioning and needs repair.
See DIAGNOSIS
.
SERVICE PRECAUTIONS
Observe the following precautions when working on SRS:
Before servicing any SRS or steering column component, disable SRS. See DISABLING &
ACTIVATING AIR BAG SYSTEM . Failure to disable system could result in accidental air bag
deployment and personal injury.
When diagnosing SRS, always check for diagnostic codes before disconnecting battery.
After ignition switch is turned to LOCK position and negative battery cable is disconnected, wait at least
90 seconds before working on SRS. SRS is equipped with a back-up power source that may allow air bag
to deploy within 90 seconds of disconnecting negative battery cable.
In a minor collision in which air bags do not deploy, steering wheel pad must be inspected.
NEVER use air bag parts from another vehicle. Replace air bag parts with new parts.
Air bag sensor assembly contains mercury. After replacement, DO NOT destroy the old part. When
scrapping vehicle or replacing air bag sensor assembly, remove air bag sensor assembly and dispose of as
toxic waste.
Never disassemble or repair system components. Replace cracked, dented or otherwise damaged system
components.
Remove air bag sensor if shocks are likely to be applied to the sensor during repairs.
When diagnosing electrical circuits, use a Digital Volt/Ohmmeter (DVOM) with high impedance (10,000
ohms minimum).
Information labels are attached to air bag components. Follow all notices on labels.
After servicing SRS, check air bag warning light to ensure system is functioning properly. See SYSTEM
OPERATION CHECK .
Always wear safety glasses when servicing or handling an air bag.
When placing a live air bag on a bench or other surface, always face air bag and trim cover up, away from
surface. This will reduce motion of module if accidentally deployed.
After deployment, air bag surface may contain deposits of sodium hydroxide which irritates skin. During
clean-up, always wear safety glasses, rubber gloves and long-sleeved shirt. After clean-up, wash hands
using mild soap and water.
When carrying a live air bag module, trim cover must be pointed away from your body to minimize
injury in case of accidental deployment.
If SRS is not fully functional for any reason, vehicle should not be driven until system is repaired and
a
gain becomes operational. DO NOTremove bulbs, modules, sensors or other components or in any way

1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
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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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Fig. 5: Installing Steering Wheel Pad On Wheel Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5. Connect Deployment Tool (09082-00700) to steering wheel pad connector. Position deployment tool at
least 33 feet from steering wheel pad. Obtain cardboard box larger than wheel assembly and place it over
wheel assembly, or stack 3 scrap tires on top of rim and tire assembly (but NOT directly on top of
steering wheel pad).
6. Connect deployment tool Red clip to positive battery terminal and Black clip to negative battery terminal.
Ensure no one is within 33 feet of steering wheel pad. Press activation switch to deploy air bag. Because
of heat, wait 30 minutes before handling air bag. Place deployed air bag assembly in a vinyl bag, secure
tightly, and dispose of as with any general parts.
Off-Vehicle Deployment (Passenger-Side)
1. Before proceeding, read air bag service precautions section. See SERVICE PRECAUTIONS . Remove
the passenger-side air bag. See PASSENGER
-SIDE AIR BAG under REMOVAL & INSTALLATION.
2. Obtain a scrap tire without a rim. Thread heavy-gauge wire through mounting bolt holes on air bag
assembly. Wrap wire around each bolt for at least 2 turns. Position passenger-side air bag onto tire with
air ba
g facing center of tire. See Fig. 6. Attach air bag assembly to tire.
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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Fig. 7: Aligning Marks On Spiral Cable
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVAL & INSTALLATION
AIR BAG SENSOR ASSEMBLY
Removal & Installation
WARNING:Failure to follow air bag service precautions may result in air bag
deployment and personal injury. See SERVICE PRECAUTIONS
. After
component replacement, perform a system operational check to ensure
proper system operation. See SYSTEM OPERATION CHECK
.
NOTE: Disconnect air bag sensor electrical connector before removing sensor
mounting screws.

1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
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1. Before proceeding, see SERVICE PRECAUTIONS . Disable SRS. See DISABLING &
ACTIVATING AIR BAG SYSTEM .
2. Air bag sensor is located forward of center console. See Fig. 1
. Remove upper console panel, rear
console box, console panel garnish, ash receptacle box, heater control panel, and center cluster finish
panel. See Fig. 8
. Disconnect the connector with air bag sensor installed. Remove 3 Torx screws and air
bag sensor assembly.
Fig. 8: Removing Air Bag Sensor

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Installation
To install, reverse removal procedure. Tighten 3 air bag sensor screws to specification. See TORQUE
SPECIFICATIONS . Connect air bag sensor connector after the sensor is installed. Activate SRS. See
DISABLING & ACTIVATING AIR BAG SYSTEM
. Check air bag warning light to ensure system is
functioning properly. See SYSTEM OPERATION CHECK
.
STEERING WHEEL PAD & SPIRAL CABLE

1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
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Removal
1. Before proceeding, follow air bag service precautions. See SERVICE PRECAUTIONS . Ensure front
wheels are in a straight-ahead position. Turn ignition switch to LOCK position. Disconnect and shield
negative battery cable. Wait at least 90 seconds before working on system.
2. Remove steering wheel lower covers. Loosen 2 Torx screws. Pull wheel pad out from steering wheel and
disconnect air bag connector. See Fig. 9
. Pull steering wheel pad out and disconnect air bag connector.
See Fig. 3
.
3. Remove steering wheel nut. Match mark steering wheel and main shaft. Remove steering wheel using
puller. Remove upper and lower column covers, instrument lower finish panel and No. 2 heater register
duct.
4. Disconnect 2 combination switch/spiral cable connectors. Remove 3 screws, remove combination switch
and spiral cable. DO NOT disassemble cable.
Fig. 9: Removing Steering Wheel Pad

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. NOTE: Loosen 2 screws until groove along screw circumference catches on
screw case.

1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
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Installation
To install, reverse removal procedure. Ensure spiral cable is properly aligned. See SPIRAL CABLE under
ADJUSTMENTS. Connect air bag connector. Tighten 2 Torx screws to specification. See TORQUE
SPECIFICATIONS . Install steering wheel side covers. Perform SYSTEM OPERATION CHECK .
PASSENGER-SIDE AIR BAG
Removal & Installation
1. Before proceeding, follow air bag 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 SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM
. Remove instrument panel.
Remove the 2 bolts securing passenger-side air bag. See Fig. 10
. Remove air bag. Remove 3 bolts and
pry up the 5 air bag door clips and remove the air bag door. See Fig. 11
.
3. To install, reverse removal procedure. Tighten passenger-side air bag bolts to specification. See
TORQUE SPECIFICATIONS
. Activate SRS. See DISABLING & ACTIVATING AIR BAG
SYSTEM . Check air bag warning light to ensure system is functioning properly. See SYSTEM
OPERATION CHECK . WARNING:During installation, if spiral cable mating mark is not properly aligned,
steering wheel may not turn completely, or flat cable inside spiral cable
may be severed, disabling SRS system.

1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
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CLEARING CODES
1. At DLC, connect a jumper wire to terminal Tc, and another jumper wire to terminal AB. See Fig. 12
.
Turn ignition switch to ACC or ON position. Wait about 6 seconds.
2. Starting with terminal Tc, apply body ground alternately to terminal Tc and terminal AB twice each, in
cycles of 1/2 to 1 1/2 seconds. Finally, keep applying body ground to terminal Tc until air bag warning
light flashes quickly, indicating codes are cleared.
DIAGNOSIS
AIR BAG WARNING LIGHT DOES NOT COME ON AT ALL
11Short To Ground In Squib Circuit
12Short To Battery In Squib Circuit
14Open In D Squib Circuit
31Air Bag Sensor Assembly Malfunction
54Open In P Squib Circuit
NOTE: When alternately connecting jumper probes to terminals, simultaneously
release one probe from one terminal while connecting other probe to other
terminal. If time interval between probings is too long, codes will not clear.
WARNING:Failure to follow air bag service precautions may result in air bag
deployment and personal injury. See SERVICE PRECAUTIONS
. After
component replacement, perform system operational check to ensure
proper system operation. See SYSTEM OPERATION CHECK
.
CAUTION: Ensure ignition switch is in LOCK position before disconnecting or
connecting negative battery cable. If ignition switch is in ACC or ON
position when negative battery cable is disconnected or connected, center
air bag sensor may be damaged.
NOTE: For air bag sensor connector terminal identification, see Fig. 13
.

1996 Toyota 4Runner
AIR BAG RESTRAINT SYSTEM 1996 ACCESSORIES/SAFETY EQUIPMENT Toyota Air Bag Restraint System
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