Page 5633 of 6020
9-28 ACCESSORIES
REAR SPEAKER (CREW CAB)
REMOVAL AND INSTALLATION
RTW 390MH000101
Removal
1. Remove the Rear Door Trim Panel (1).
• Refer to section 10 “REAR DOOR ASSEMBLY” for doo
r
trim panel removal steps.
2. Remove the Rear Speaker (2). • Remove the screw.
• Disconnect the connector.
Installation
To install, follow the removal steps in the reverse order.
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Page 5634 of 6020
ACCESSORIES 9-29
CLOCK
REMOVAL AND INSTALLATION
1
2
RTW 790SH000101
Removal
1. Remove the center cluster ASM (2).
2. Disconnect the connector.
3. Remove the clock (1).
Installation
To install, follow the removal steps in the reverse order.
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Page 5635 of 6020
9-30 ACCESSORIES
ANTENNA
REMOVAL AND INSTALLATION
Removal
1. Remove the antenna screw 1.
2. Disconnect the feeder cable
3 connector.
3. Remove the antenna cable
2.
4. Pull out the antenna downward.
Remove and install the antenna as illustrated.
The antenna unit is located on the roof panel driver’s side.
To install, follow the removal steps in the reverse order.
Installation
To install, follow the removal steps in the reverse order.
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Page 5636 of 6020

SUPPLEMENTAL RESTRAINT SYSTEM 9A-1
SECTION 9A
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
TABLE OF CONTENTS
PAGE
Service Precaution ....................................................................................................... 9A- 4
General Description...................................................................................................... 9A- 4 Restraint Devices ..................................................................................................... 9A- 4
System Description .................................................................................................. 9A- 5
Circuit Diagram ............................................................................................................. 9A- 6
SRS Component And Wiring Location View .............................................................. 9A- 10
Component Description ............................................................................................... 9A- 14 SRS Control Unit ...................................................................................................... 9A- 14
"SRS" Warning Lamp .............................................................................................. 9A- 14
SRS Coil Assembly .................................................................................................. 9A- 15
Air Bag Assemblies.................................................................................................. 9A- 15
Steering Column ...................................................................................................... 9A- 16
Knee Bolster ............................................................................................................. 9A- 16
Definitions .................................................................................................................... . 9A- 16
Diagnosis...................................................................................................................... . 9A- 18
Diagnostic Trouble Codes ....................................................................................... 9A- 18
Scan Tool Diagnostics............................................................................................. 9A- 18
Use Of Special Tools ............................................................................................... 9A- 18
SRS Connec tor Body Face Vie ws ............................................................................. ..9 A- 19
Repairs And Inspec tions Required After A n A ccident ............................................ ..9 A- 20
Accident With Deployment-Component Replacement And Inspections ............. 9A- 20
Accident With or Without Deployment-Component Inspection ........................... 9A- 20
SRS Control Unit Replacement Guidelines ........................................................... 9A- 20
Wiring Damage ......................................................................................................... 9A- 20
SRS Connector (Plastic Body And Terminal Metal Pin) Damage ......................... 9A- 20
SRS Wire Pigtail Damage ........................................................................................ 9A- 20
PAGE 1 OF 3
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Page 5637 of 6020

9A-2 SUPPLEMENTAL RESTRAINT SYSTEM
PAGE
On-Vehicle Service ....................................................................................................... 9A- 21
Service Precaution ................................................................................................... 9A- 21
Disabling The SRS ................................................................................................... 9A- 21
Enabling The SRS .................................................................................................... 9A- 21
Handling / Installation / Diagnosis .......................................................................... 9A- 21
Air Bag Assembly Handling / Shipping / Scrapping .................................................. 9A- 22 Live (Undeployed) Air Bag Assembly ..................................................................... 9A- 22
Air Bag Assembly Shipping Procedure For Live (Undeployed) Air Bag Assemblies ................................................................................................................ 9A- 2 2
Deployed Air Bag Assembly (Driver Side).............................................................. 9A- 22
Air Bag Assembly Scrapping Procedure................................................................ 9A- 23
Deployment Outside Vehicle (Driver Air Bag Assembly) ...................................... 9A- 23
Deployment Outside Vehicle (Passenger Air Bag Assembly) .............................. 9A- 26
Deployment Inside Vehicle (Vehicle Scrapping Procedure)................................. 9A- 28
Deployed Air Bag Assembly Handling ................................................................... 9A- 31
Service Precautions for SRS Component Service ..................................................... 9A- 32 Disabling The SRS ................................................................................................... 9A- 32
Enabling The SRS .................................................................................................... 9A- 32
Handling / Installation / Diagnosis .......................................................................... 9A- 32
Inspections Required After An Accident ................................................................ 9A- 33
SRS Connectors ........................................................................................................... 9A- 33
Removal .................................................................................................................... 9A- 33
Installation ................................................................................................................ 9A- 34
SRS Control Unit ........................................................................................................... 9A- 35
Service Precautions ................................................................................................. 9A- 35
Removal .................................................................................................................... 9A- 35
Installation ................................................................................................................ 9A- 35
Driver Air Bag Assembly .............................................................................................. 9A- 37 Service Precautions ................................................................................................. 9A- 37
Removal .................................................................................................................... 9A- 37
Installation ................................................................................................................ 9A- 37 PAGE 2 OF 3
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Page 5638 of 6020

SUPPLEMENTAL RESTRAINT SYSTEM 9A-3
PAGE
Steering Wheel .............................................................................................................. 9A- 38
Service Precautions ................................................................................................. 9A- 38
Removal .................................................................................................................... 9A- 38
Installation ................................................................................................................ 9A- 38
SRS Coil Assembly ....................................................................................................... 9A- 39 Service Precautions ................................................................................................. 9A- 39
Removal. ................................................................................................................... 9A- 39
Installation. ............................................................................................................... 9A- 39
Steering Column ........................................................................................................... 9A- 4 0
Service Precautions ................................................................................................. 9A- 40
Removal .................................................................................................................... 9A- 40
Installation ................................................................................................................ 9A- 40
Passenger Air Bag Assembly ...................................................................................... 9A- 41 Service Precautions ................................................................................................. 9A- 41
Removal .................................................................................................................... 9A- 41
Installation ................................................................................................................ 9A- 42
Pretensioner Seat Belt (If so equipped) ...................................................................... 9A- 43 Removal .................................................................................................................... 9A- 43
Installation ................................................................................................................ 9A- 43
Main Data and Specifications ...................................................................................... 9A- 44 Fastener Tightening Specification.......................................................................... 9A- 44
Special Tools................................................................................................................. 9 A- 45
PAGE 3 OF 3
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Page 5639 of 6020

9A-4 SUPPLEMENTAL RESTRAINT SYSTEM
Service Precaution
WARNING: THIS VEHICLE HAS A SUPPLEMENTAL
RESTRAINT SYSTEM (SRS). REFER TO THE SRS
COMPONENT AND WIRING LOCATION VIEW IN
ORDER TO DETERMINE WHETHER YOU ARE
PERFORMING A SERVICE ON, OR NEAR, THE SRS
COMPONENTS OR THE SRS WIRING. WHEN YOU
ARE PERFORMING A SERVICE ON OR NEAR THE
SRS COMPONENTS OR THE SRS WIRING, REFER
TO THE SRS SERVICE INFORMATION. FAILURE
TO FOLLOW WARNINGS COULD RESULT IN
POSSIBLE AIR BAG DEPLOYMENT, PERSONAL
INJURY, OR OTHERWISE UNNECESSARY SRS
SYSTEM REPAIRS.
CAUTION: Always use the correct fastener in the
proper location. When you replace a fastener, use
ONLY the exact part number for that application.
ISUZU/GM will call out those fasteners that require
a replacement after removal. ISUZU/GM will also
call out the fasteners that require thread lockers o
r
thread sealant. UNLESS OTHERWISE SPECIFIED,
do not use supplemental coatings (paints,
greases, or other corrosion inhibitors) on threaded
fasteners or fastener joint interfaces. Generally,
such coatings adversely affect the fastener torque
and the joint clamping force, and may damage the
fastener. When you install fasteners, use the
correct tightening sequence and specifications.
Following these instructions can help you avoid
damage to parts and systems.
General Description
CAUTION: When fasteners are removed, always
reinstall them at the same location from which
they were removed. If a fastener needs to be
replaced, use the correct part number fastener fo
r
that application. If the correct part numbe
r
fastener is not available, a fastener of equal size
and strength (or stronger) may be used.
Fasteners that are not reused, and those requiring
thread locking compound will be called out. The
correct torque value must be used when installing
fasteners that require it. If the above conditions
are not followed, parts or system damage could
result.
Restraint Devices
RTW 79ASH000801
Legend
(1) Deployed Air Bag
(2) Knee Bolster
(3) Seat Belt
The Supplemental Restraint System (SRS) helps
supplement the protection offered by the driver and
front passenger seat belts by deploying an air bag
from the center of the steering wheel and from the
front of the passenger side of the instrument panel.
The air bag deploys when the vehicle is involved in a
frontal crash of sufficient force up to 30 degrees off the
centerline of the vehicle. To further absorb the crash
energy there is a knee bolster located beneath the
instrument panel for both the driver and passenger,
and the steering column is collapsible.
827RW 005
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Page 5640 of 6020

SUPPLEMENTAL RESTRAINT SYSTEM 9A-5
System Description
The SRS consists of the SRS control unit, the driver
air bag assembly, the SRS coil assembly, the
passenger air bag assembly and the “SRS” warning
lamp in the instrument cluster. The SRS control unit,
SRS coil assembly (driver side only), driver air bag
assembly, passenger air bag assembly and connecto
r
wire make up the deployment loops. The function of
the deployment loops is to supply current through the
air bag assembly, which will cause deployment of the
air bags in the event of a frontal crash of sufficient
force, up to 30 degrees off the centerline of the
vehicle. The air bag assemblies are only supplied
enough current to deploy when the SRS control unit
detects vehicle velocity changes severe enough to
warrant deployment.
The SRS control unit contains a sensing device which
converts vehicle velocity change to an electrical signal.
The electrical signal generated is processed by the
SRS control unit and then compared to a value stored
in memory. W hen the generated signal exceeds the
stored value, the SRS control unit will cause current to
flow through the air bag assembly deploying the ai
r
bags.
RTW 79ALF000301
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