System Operation Check; Diagnosis & Testing - Toyota RAV4 1999 Manual

1. Before proceeding, see SERVICE PRECAUTIONS . Ensure front wheels are in straight-ahead position.
Turn ignition switch to LOCK position. Disconnect negative battery cable. Wait at least 90 seconds.
Remove steering wheel. See STEERING WHEEL .
2. Remove lower finish panel and instrument panel lower insert. Remove upper and lower steering column
covers. Disconnect and remove combination switch with spiral cable attached. Remove heater-to-register
duct. Match mark steering shaft and steering gear shaft for reassembly performance. Remove steering
column.
3. To install, reverse removal procedure. Tighten fasteners to specification. See TORQUE
SPECIFICATIONS . Check AIR BAG warning light to ensure system is functioning properly. See

SYSTEM OPERATION CHECK .

STEERING WHEEL
Removal & Installation
1. Before proceeding, see SERVICE PRECAUTIONS . Ensure front wheels are in straight-ahead position.
Turn ignition switch to LOCK position. Disconnect negative battery cable. Wait at least 90 seconds.
Remove driver-side air bag module. See DRIVER-SIDE AIR BAG MODULE .
2. Remove steering wheel nut. Match mark steering wheel and steering column for reassembly reference.
Using appropriate puller, remove steering wheel.
3. To install, reverse removal procedure. Ensure front wheels are in straight-ahead position and spiral cable
is properly aligned. See SPIRAL CABLE under ADJUSTMENTS . Tighten steering wheel nut and
driver-side air bag module screws to specification. See TORQUE SPECIFICATIONS . Check AIR
BAG warning light to ensure system is functioning properly. See SYSTEM OPERATION CHECK .
SYSTEM OPERATION CHECK
Turn ignition switch to ACC or ON position. AIR BAG warning light should come on for about 6 seconds and
then go out. If AIR BAG warning light does not operate as specified, see DIAGNOSIS & TESTING .
DIAGNOSIS & TESTING
AIR BAG WARNING LIGHT CHECK
Turn ignition switch to ACC or ON position. If air bag warning light comes on for about 6 seconds and then
goes off, system is functioning properly. If AIR BAG warning light comes on and stays on (or flashes),
Diagnostic Trouble Code (DTC) is stored in air bag sensor assembly. Go to RETRIEVING CODES . If AIR
BAG warning light responds in any other way, go to DIAGNOSTIC TESTS .
RETRIEVING CODES
CAUTION: System may be damaged if jumper wire is incorrectly connected across
terminals of Data Link Connector (DLC1). Use Diagnosis Check Wire
(09843-18020) when connecting terminals of DLC1.
1999 Toyota RAV4
AIR BAG RESTRAINT SYSTEM 1999 Toyota