1998 ISUZU TROOPER Service Repair Manual

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Page 353 of 3573

ISUZU TROOPER 1998 Service Repair Manual SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN 2A – 51
SECTION 2A
SUPPLEMENTAL RESTRAINT SYSTEM
STEERING WHEEL & COLUMN
CAUTION:
When fasteners are removed, always reinstall them at the same

Page 354 of 3573

ISUZU TROOPER 1998 Service Repair Manual This steering wheel and column repair section
covers the Supplemental Restraint System (SRS)
steering column. The following repair procedures
are specific to SRS Components. When servicing a
vehicle

This steering wheel and column repair section
covers the Supplemental Restraint System (SRS)
steering column. The following repair procedures
are specific to SRS Components. When servicing a
vehicle equipped with Supplemental Restraint
System, pay close attention to all WARNINGS and
CAUTIONS.
For detailed explanation about SRS, refer to Section
9J "SUPPLEMENTAL RESTRAINT SYSTEM (SRS)"
of manual.
The steering column has three important features in
addition to the steering function:
1. The column is energy absorbing, designed to
compress in a front-end collision to minimize
the possibility of injury to the driver of the
vehicle.
2. The ignition switch and lock are mounted
conveniently on the column.
3. With the column mounted lock, the ignition
and steering operation can be locked to
prevent theft of the vehicle.
The column may be disassembled and
reassembled. To insure the energy absorbing
action, it is important that the specified screws,
bolts and nuts be used only as designated and that
they are tightened to the specified torque.
When the column is removed from the vehicle, a
sharp blow on the end of steering shaft or shift
lever, leaning on the column assembly, or dropping
the assembly could shear or loosen the fasteners
that maintain column rigidity.
WARNING
THIS VEHICLE HAS A SUPPLEMENTAL RE-
STRAINT SYSTEM (SRS).REFER TO THE SRS
COMPONENT AND WIRING LOCATION VIEW
IN ORDER TO DETERMINE WHETHER YOU ARE
PERFORMING SERVICE ON OR NEAR THE SRS
COMPONENTS OR THE SRS WIRING. WHEN
YOU ARE PERFORMING SERVICE ON OR NEAR
THE SRS COMPONENTS OR THE SRS WIRING,
REFER TO THE SRS SERVICE INFORM ATION.
FAILURE TO FOLLOW WARNINGS COULD RE-
SULT IN POSSIBLE AIR BAG DEPLOYMENT,
PERSONAL INJURY, OR OTHERWISE UN-
NEEDED SRS SYSTEM REPAIRS.
SAFE HANDLING OF INFLATOR MODULES
REQUIRES FOLLOWING THE PROCEDURES
DESCRIBED BELOW FOR BOTH LIVE AND
DEPLOYED MODULES.
SAFETY PRECAUTIONS MUST BE FOLLOWEDWHEN HANDLING A DEPLOYED AIR BAG AS-
SEMBLY (AIR BAG). AFTER DEPLOYMENT,
THE AIR BAG ASSEMBLY (AIR BAG) SURFACE
MAY CONTAIN A SMALL AMOUNT OF SODIUM
HYDROXIDE, A BY-PRODUCT OF THE DEPLOY-
MENT REACTION, THAT IS IRRITATING TO THE
SKIN AND EYES.MOST OF THE POWDER ON
THE AIR BAG ASSEMBLY (AIR BAG) IS HARM-
LESS. AS A PRECAUTION, WEAR GLOVES
AND SAFETY GLASSES WHEN HANDLING A
DEPLOYED AIR BAG ASSEMBLY, AND WASH
YOUR HANDS WITH MILD SOAP AND WATER
AFTERWARDS.
WHEN CARRYING A LIVE AIR BAG ASSEMBLY,
MAKE SURE THE BAG AND TRIM COVER ARE
POINTED AWAY FROM YOU. NEVER CARRY
AN AIR BAG ASSEMBLY BY THE WIRES OR
CONNECTOR ON THE UNDERSIDE OF MODULE.
IN THE CASE OF AN ACCIDENTAL DEPLOY-
MENT, THE BAG WILL THEN DEPLOY WITH
MINIMAL CHANCE OF INJURY. WHEN PLACING
A LIVE AIR BAG ASSEMBLY ON A BENCH OR
OTHER SURFACE, ALWAYS FACE THE BAG AND
TRIM COVER UP, AWAY FROM THE SURFACE.
NEVER REST A STEERING COLUMN ASSEMBLY
ON THE STEERING WHEEL WITH THE AIR
BAG ASSEMBLY FACE DOWN AND COLUMN
VERTICAL.THIS IS NECESSARY SO THAT A
FREE SPACE IS PROVIDED TO ALLOW THE AIR
BAG ASSEMBLY TO EXPAND IN THE UNLIKELY
EVENT OF ACCIDENTAL DEPLOYMENT. OTHER-
WISE, PERSONAL INJURY COULD RESULT.
TO AVOID DEPLOYMENT WHEN TROUBLE
SHOOTING THE SRS SYSTEM, DO NOT USE
ELECTRICAL TEST EQUIPMENT, SUCH AS
BATTERY-POWERED OR A/C-POWERED VOLT-
METER, OHMMETER, ETC., OR ANY TYPE OF
ELECTRICAL EQUIPMENT OTHER THAN SPECI-
FIED IN THIS MANUAL. DO NOT USE A NON-
POWERED PROBE-TYPE TESTER.
INSTRUCTIONS IN THIS MANUAL MUST BE
FOLLOWED CAREFULLY, OTHERWISE PER-
SONAL INJURY MAY RESULT. 2A – 52 SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN
GENERAL DESCRIPTION

Page 355 of 3573

ISUZU TROOPER 1998 Service Repair Manual SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN 2A – 53
ON-VEHICLE SERVICE
21
827RW035
SRS CONNECTORS
CAUTION:
The special yellow color connectors are used for
supplemental restraint system-a

Page 356 of 3573

ISUZU TROOPER 1998 Service Repair Manual 2A – 54 SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN
INFLATOR MODULE REPLACEMENT
1
3
2
Removal Steps
1. Fixing bolt
2. Module connector
3. Inflator module
Installation Steps
3. Inflator mod

Page 357 of 3573

ISUZU TROOPER 1998 Service Repair Manual SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN 2A Ð 55
2. Module Connector
Disconnect the yellow 2way SRS connector located
behind the inflator module.
3. Inflator Module
827RS015
827RS016
IN

Page 358 of 3573

ISUZU TROOPER 1998 Service Repair Manual 2A – 56 SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN
3
41
2
1. Fixing Bolt
1) Secure the module with one bolt to relieve
weight on the connector wire.
2) Tighten bolts to specified sequence

Page 359 of 3573

ISUZU TROOPER 1998 Service Repair Manual SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN 2A – 57
STEERING WHEEL REPLACEMENT
1
3
2
4
Removal Steps
1. Inflator module
2. Horn lead
3. Steering wheel fixing nut
4. Steering wheel
Install

Page 360 of 3573

ISUZU TROOPER 1998 Service Repair Manual 2A – 58 SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN
1. Inflator Module
1) Loosen the inflator module fixing bolt from
behind the steering wheel assembly using a
TORX
driver or equivalen

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