2004 ISUZU TF SERIES Workshop Manual

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Page 65 of 4264

ISUZU TF SERIES 2004 Workshop Manual SUPPLEMENTAL RESTRAINT SYSTEM 9A-45

Installation
1. Connect passenger air bag assembly harness
connector.
2. Install passenger air bag assembly.
3. Install passenger air bag assembly fixing

Page 66 of 4264

ISUZU TF SERIES 2004 Workshop Manual 9A-46 SUPPLEMENTAL RESTRAINT SYSTEM

Pretensioner Seat Belt (If so quipped)
Service Precaution
WARNING: WHEN PERFORMING SERVICE ON OR
AROUND THE PRETENSIONER SEAT BELT O
R
THE PRETENSIONER SEAT

Page 67 of 4264

ISUZU TF SERIES 2004 Workshop Manual SUPPLEMENTAL RESTRAINT SYSTEM 9A-47

Main Data and Specifications
Fastener Tightening Specification
Application N
m kg
m Ft.lb
SRS control unit 7 0.7 5
Steering wheel fixing bolt

Page 68 of 4264

ISUZU TF SERIES 2004 Workshop Manual 9A-48 SUPPLEMENTAL RESTRAINT SYSTEM

Special Tools
WARNING: TO AVOID DEPLOYMENT WHEN
TROUBLESHOOTING THE SRS, DO NOT USE
ELECTRICAL TEST EQUIPMENT SUCH AS A
BATTERY–POWERED OR AC–POWERED
VOLTM

9A-48 SUPPLEMENTAL RESTRAINT SYSTEM

Special Tools
WARNING: TO AVOID DEPLOYMENT WHEN
TROUBLESHOOTING THE SRS, DO NOT USE
ELECTRICAL TEST EQUIPMENT SUCH AS A
BATTERY–POWERED OR AC–POWERED
VOLTMETER, OHMMETER, ETC., OR ANY TYPE
OF ELECTRICAL EQUIPMENT OTHER THAN THAT
SPECIFIED IN THIS MANUAL. DO NOT USE A
NONPOWERED PROBE–TYPE TESTER.
INSTRUCTIONS IN THIS MANUAL MUST BE
FOLLOWED CAREFULLY, OTHERWISE
PERSONAL INJURY MAY RESULT.

5-8840-2421-0 SRS Driver/Passenger Load
Tool
901RS146
The SRS Driver/Passenger Load Tool 5-8840-2421-0
is used only when called for in this section. It is used
as a diagnostic aid and safety device to prevent
inadvertent air bag assembly deployment.
The load tool has three yellow connectors attached to
its case.
The three small connectors are electrically functional
and serve as resistive load substitutions.
No more than two connectors are used at any time.
One of the small connectors is used to substitute for
the load of the driver air bag assembly when it is
connected at the top of the column to the SRS coil
assembly. Another small connector is used to
substitute for the load of the driver air bag assembly
and the SRS coil assembly when it is connected at the
base of the column to the SRS wiring harness. The
third small connector is used to substitute for the load
of the passenger air bag assembly when connected to
the passenger air bag assembly harness connector.
By substituting the resistance of the load tool when
called for, a determination can be made as to whether
an inflator circuit component is causing system
malfunction and which component is causing the
malfunction. The load tool should be used only when
specifically called for in the diagnostic procedures.

5-8840-0285-0 DVM
901RS163
The 5-8840-0285-0 DVM is the preferred DVM for use
in SRS diagnosis and repair. However, 5-8840-0366-
0 may be used if 5-8840-0285-0 is not available. No
other DVMs are approved for SRS diagnosis and
repair.

Scan Tool
901RW176

Page 69 of 4264

ISUZU TF SERIES 2004 Workshop Manual SUPPLEMENTAL RESTRAINT SYSTEM 9A-49

The Tech 2 is used to read and clear SRS Diagnostic
Trouble Codes (DTCs). Refer to the Tech 2
Operators, Manual for specific information on how to
use the T

Page 70 of 4264

ISUZU TF SERIES 2004 Workshop Manual 9A-50 SUPPLEMENTAL RESTRAINT SYSTEM

5-8840-2795-0 SRS Adapter for
Deployment Tool
901RW107
The 5-8840-2795-0 SRS Adapter for Deployment Tool
must be used with 5-8840-2468-0 SRS Deployment
Tool.

Page 71 of 4264

ISUZU TF SERIES 2004 Workshop Manual RESTRAINT CONTROL 9A1-1

RESTRAINTS
RESTRAINT CONTROL SYSTEM
PAGE
Service Precaution .............................................................................................................

RESTRAINT CONTROL 9A1-1

RESTRAINTS
RESTRAINT CONTROL SYSTEM
PAGE
Service Precaution .............................................................................................................9A1- 2
Diagnosis Information ..................................................................................................9A1- 3
Diagnostic Procedures .................................................................................................9A1- 3
Diagnostic Codes ..........................................................................................................9A1- 3
How To Read Trouble Codes .......................................................................................9A1- 3
How To Clear Trouble Codes .......................................................................................9A1- 3
Scan Tool Diagnostics ..................................................................................................9A1- 3
Basic Knowledge Required ..........................................................................................9A1- 3
Basic Electrical Circuits ...............................................................................................9A1- 4
"Flash Code" Diagnostics ............................................................................................9A1- 4
DATA LIST (Tech2) ........................................................................................................9A1- 5
Diagnostic Trouble Codes ............................................................................................9A1- 6
System Schematic .............................................................................................................9A1- 7
Chart A SRS control unit Integrity Check ........................................................................9A1-10
Chart B "AIR BAG" Warning Lamp Comes "ON" Steady................................................9A1-12
Chart C "AIR BAG" Warning Lamp Does Not Come "ON" Steady .................................9A1-14
DTC B0016 (Flash Code 16) Passenger Airbag Squib Circuit (Stage1) Low
Resistance ........................................................................................................................9A1-17
DTC B0017 (Flash Code 17) Passenger Airbag Squib Circuit (Stage1) High
Resistance ........................................................................................................................9A1-20
DTC B0018 (Flash Code 18) Passenger Airbag Squib Circuit (Stage1) Voltage
Range/Performance .........................................................................................................9A1-23
DTC B0022 (Flash Code 22) Driver Airbag Squib Circuit (Stage1) Low
Resistance ........................................................................................................................9A1-26
DTC B0024 (Flash Code 24) Driver Airbag Squib Circuit (Stage1) Voltage
Range/Performance ...........................................................................................................9A1-29
DTC B0026 (Flash Code 26) Driver Airbag Squib Circuit (Stage1) High
Resistance ........................................................................................................................9A1-32
DTC B0033 (Flash Code 33) ECU Connector Poor Connection .....................................9A1-35

Page 72 of 4264

ISUZU TF SERIES 2004 Workshop Manual 9A1-2 RESTRAINT CONTROL SYSTEM

DTC B0051 (Flash Code 51) Squib Circuit Activated (Clash) .........................................9A1-37
DTC B0053 (Flash Code 53) Deployment Command Despite Presen

9A1-2 RESTRAINT CONTROL SYSTEM

DTC B0051 (Flash Code 51) Squib Circuit Activated (Clash) .........................................9A1-37
DTC B0053 (Flash Code 53) Deployment Command Despite Present Trouble
Code ..................................................................................................................................9A1-39
DTC B0057 (Flash Code 57) Passenger Pretensioner Squib Circuit Low
Resistance ........................................................................................................................9A1-41
DTC B0058 (Flash Code 58) Passenger Pretensioner Squib Circuit High
Resistance ........................................................................................................................9A1-44
DTC B0059 (Flash Code 59) Passenger Pretensioner Squib Circuit Voltage
Range/Performance .........................................................................................................9A1-47
DTC B0064 (Flash Code 64) Driver Pretensioner Squib Circuit Low Resistance .........9A1-50
DTC B0065 (Flash Code 65) Driver Pretensioner Squib Circuit High Resistance ........9A1-53
DTC B0066 (Flash Code 66) Driver Pretensioner Squib Circuit Voltage Range/
Performance .....................................................................................................................9A1-56
DTC B0670 (Flash Code 63) Airbag Telltale Circuit Malfunction ...................................9A1-59
DTC B1000 (Flash Code 72) SDM Internal Fault ..............................................................9A1-61

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 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 INFORMATION. FAILURE TO
FOLLOW WARNINGS COULD RESULT IN
POSSIBLE AIR BAG DEPLOYMENT, PERSONAL
INJURY, OR OTHERWISE UNNEEDED 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 will call out those fasteners that require a
replacement after removal. ISUZU will also call out
the fasteners that require thread lockers or 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.

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