ISUZU KB P190 2007 Workshop Repair Manual

9A-36 SUPPLEMENTAL RESTRAINT SYSTEM
5. Enable the SRS. (Refer to “Enabling the SRS” in
this section)



RTW 79ASH000401
Legend
(1) SRS control unit
(2) SRS Harness




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SUPPLEMENTAL RESTRAINT SYSTEM 9A-37
Driver Air Bag Assembly
Service Precautions
WARNING: SAFETY PRECAUTIONS MUST BE
FOLLOWED WHEN HANDLING A DEPLOYED AIR
BAG ASSEMBLY. AFTER DEPLOYMENT, THE AIR
BAG ASSEMBLY SURFACE MAY CONTAIN
A
SMALL AMOUNT OF SODIUM HYDROXIDE, A BY–
PRODUCT OF THE DEPLOYMENT REACTION
THAT IS IRRITATING TO THE SKIN AND EYES.
MOST OF THE POWDER ON THE AIR BAG
ASSEMBLY IS HARMLESS. 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.
WARNING: WHEN CARRYING A LIVE AIR BAG
ASSEMBLY, MAKE SURE THE BAG AND TRIM
COVER ARE POINTED AWAY FROM YOU. NEVER
CARRY THE AIR BAG ASSEMBLY BY THE WIRES
OR CONNECTOR ON THE UNDERSIDE OF THE
MODULE. IN THE CASE OF AN ACCIDENTAL
DEPLOYMENT, THE BAG WILL THEN DEPLOY
WITH MINIMAL CHANCE OF INJURY. WHEN
PLACING ALIVE 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. OTHERWISE,
PERSONAL INJURY COULD RESULT.
NOTE: In the event deployment has occurred, inspect
the coil assembly wire for any signs of scorching,
melting or any other damage due to excessive heat. I
f
the coil has been damaged, replace it.

Removal
Refer to the “Inflator Module” in the “Power-Assisted
Steering System” section.

Installation
Refer to the “Inflator Module” in the “Power-Assisted
Steering System” section.


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9A-38 SUPPLEMENTAL RESTRAINT SYSTEM
Steering Wheel
Service Precautions
WARNING: SAFETY PRECAUTIONS MUST BE
FOLLOWED WHEN HANDLING A DEPLOYED AIR
BAG ASSEMBLY. AFTER DEPLOYMENT, THE AIR
BAG ASSEMBLY SURFACE MAY CONTAIN
A
SMALL AMOUNT OF SODIUM HYDROXIDE, A BY–
PRODUCT OF THE DEPLOYMENT REACTION
THAT IS IRRITATING TO THE SKIN AND EYES.
MOST OF THE POWDER ON THE AIR BAG
ASSEMBLY IS HARMLESS. 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.
WARNING: 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 THE
MODULE. IN THE CASE OF AN ACCIDENTAL
DEPLOYMENT, THE BAG WILL THEN DEPLOY
WITH MINIMAL CHANCE OF INJURY. WHEN
PLACING ALIVE 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. OTHERWISE,
PERSONAL INJURY COULD RESULT.
In the event deployment has occurred, inspect the coil
assembly wire for any signs of scorching, melting o
r
any other damage due to excessive heat. If the coil
has been damaged, replace it.

Removal
Refer to the “Steering W heel” in the “Power-Assisted
Steering System” section.

Installation
Refer to the “Steering W heel” in the “Power-Assisted
Steering W heel” section.



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SUPPLEMENTAL RESTRAINT SYSTEM 9A-39
SRS Coil Assembly
Service Precautions
WARNING: SAFETY PRECAUTIONS MUST BE
FOLLOWED WHEN HANDLING A DEPLOYED AIR
BAG ASSEMBLY. AFTER DEPLOYMENT, THE AIR
BAG ASSEMBLY SURFACE MAY CONTAIN
A
SMALL AMOUNT OF SODIUM HYDROXIDE, A BY–
PRODUCT OF THE DEPLOYMENT REACTION
THAT IS IRRITATING TO THE SKIN AND EYES.
MOST OF THE POWDER ON THE AIR BAG
ASSEMBLY IS HARMLESS. 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.
WARNING: 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 THE
MODULE. IN THE CASE OF AN ACCIDENTAL
DEPLOYMENT, THE BAG WILL THEN DEPLOY
WITH MINIMAL CHANCE OF INJURY. WHEN
PLACING ALIVE 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. OTHERWISE,
PERSONAL INJURY COULD RESULT.
NOTE: In the event deployment has occurred, inspect
the coil assembly wire for any signs of scorching,
melting or any other damage due to excessive heat. I
f
the coil has been damaged, replace it.

Removal
NOTE: The SRS coil is a part of the combination
switch assembly, which cannot be replaced separately.
Therefore, be sure not to remove the SRS coil from
the combination switch assembly.

Refer to the “Combination Switch” in the “Power-
Assisted Steering System” section.

Installation
Refer to the “Combination Switch” in the “Power-
Assisted Steering System” section.




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9A-40 SUPPLEMENTAL RESTRAINT SYSTEM
Steering Column
Service Precautions
WARNING: SAFETY PRECAUTIONS MUST BE
FOLLOWED WHEN HANDLING A DEPLOYED AIR
BAG ASSEMBLY. AFTER DEPLOYMENT, THE AIR
BAG ASSEMBLY SURFACE MAY CONTAIN
A
SMALL AMOUNT OF SODIUM HYDROXIDE, A BY–
PRODUCT OF THE DEPLOYMENT REACTION
THAT IS IRRITATING TO THE SKIN AND EYES.
MOST OF THE POWDER ON THE AIR BAG
ASSEMBLY IS HARMLESS. 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.
WARNING: 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 THE
MODULE. IN THE CASE OF AN ACCIDENTAL
DEPLOYMENT, THE BAG WILL THEN DEPLOY
WITH MINIMAL CHANCE OF INJURY. WHEN
PLACING ALIVE 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. OTHERWISE,
PERSONAL INJURY COULD RESULT.
In the event deployment has occurred, inspect the coil
assembly wire for any signs of scorching, melting o
r
any other damage due to excessive heat. If the coil
has been damaged, replace it.

Removal
Refer to the “Steering Column” in the “Power-Assisted
Steering System” section.

Installation
Refer to the “Steering Column” in the “Power-Assisted
Steering System” section.



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SUPPLEMENTAL RESTRAINT SYSTEM 9A-41
Passenger Air Bag Assembly
Service Precautions
WARNING: SAFETY PRECAUTIONS MUST BE
FOLLOWED WHEN HANDLING A DEPLOYED AIR
BAG ASSEMBLY. AFTER DEPLOYMENT, THE AIR
BAG ASSEMBLY SURFACE MAY CONTAIN
A
SMALL AMOUNT OF SODIUM HYDROXIDE, A BY–
PRODUCT OF THE DEPLOYMENT REACTION
THAT IS IRRITATING TO THE SKIN AND EYES.
MOST OF THE POWDER ON THE AIR BAG
ASSEMBLY IS HARMLESS. 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.
WARNING: 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 THE
MODULE. IN THE CASE OF AN ACCIDENTAL
DEPLOYMENT, THE BAG WILL THEN DEPLOY
WITH MINIMAL CHANCE OF INJURY. WHEN
PLACING ALIVE 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. OTHERWISE,
PERSONAL INJURY COULD RESULT.
WARNING: IN THE EVENT DEPLOYMENT HAS
OCCURRED, INSPECT THE COIL ASSEMBLY
WIRE FOR ANY SIGNS OF SCORCHING, MELTING
OR ANY OTHER DAMAGE DUE TO EXCESSIVE
HEAT. IF THE COIL HAS BEEN DAMAGED,
REPLACE IT.

Removal
1. Disable the SRS. (Refer to “Disabling the SRS” in this section)
2. Remove the glove box.
3. Remove the glove box cover.

4. Remove the passenger air bag assembly fixing
bolts and nuts. Universal joint is used when
removing a nut.





RTW 79ASH001301
060R300044
5. Remove the passenger air bag assembly.
6. Disconnect the passenger air bag assembl
y
harness connector.


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9A-42 SUPPLEMENTAL RESTRAINT SYSTEM
Installation
1. Connect the passenger air bag assembly harness
connector.
2. Install the passenger air bag assembly.
3. Install the passenger air bag assembly fixing bolts and nuts. Universal joint is used when removing a
nut.
Torque: 8 N ·m (0.8 kgf ·m/78 lb in)





RTW 79ASH001301
060R300044
4. Install the glove box cover.
5. Install the glove box.
6. Enable the SRS. (Refer to “Enabling the SRS” in this section)




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SUPPLEMENTAL RESTRAINT SYSTEM 9A-43
Pretensioner Seat Belt (If so equipped)
Service Precaution
WARNING: WHEN PERFORMING SERVICE ON OR
AROUND THE PRETENSIONER SEAT BELT OR
THE PRETENSIONER SEAT BELT WIRING,
FOLLOW THE PROCEDURES LISTED BELOW TO
TEMPORARILY DISABLE THE PRETENSIONER
SEAT BELT.
FAILURE TO FOLLOW PROCEDURES COULD
RESULT IN POSSIBLE THE PRETENSIONER SEAT
BELT DEPLOYMENT, PERSONAL INJURY OR
OTHERWISE UNNEEDED THE PRETENSIONER
SEAT BELT REPAIR.
AS A PRECAUTION, WEAR GLOVES AND SAFETY
GLASSES WHEN PERFORMING THE
PRETENSIONER SEAT BELT. WHEN DEPLOY
A
LIVE PRETENSIONER SEAT BELT AT OUTSIDE
THE
VEHICLE, DEPLOYMENT HARNESS SHALL
REMAIN SHORTED AND NOT BE CONNECTED TO
A POWER SOURCE UNTIL THE PRETENSIONER
SEAT BELT IS TO BE DEPLOYED. THE
PRETENSIONER SEAT BELT WILL IMMEDIATELY
DEPLOY WHEN A POWER SOURCE IS
CONNECTED TO IT. CONNECTING THE
DEPLOYMENT HARNESS SHOULED ALWAYS BE
THE FINAL STEP IN THE PRETENSIONER SEAT
BELT DEPLOYMENT PROCEDURE. FAILURE TO
FOLLOW PROCEDURES IN THE ORDER LISTED
COULD RESULT IN PERSONAL INJURY.
Parts Location


RTW 49JSH000301
Legend
(1) Seat
(2) Bolt
(3) Pretensioner Harness
(4) Pretensioner

Removal
1. Turn ignition switch to “LOCK”, remove key.
2. Remove the foot rest located behind the seat.
3. Remove the cover on seat slide.
4. Disconnect the pretensioner connector at the base of the seat.
5. Remove four fixing bolts the seat slide and remove seat.
6. Remove the seat cover.
7. Remove the pretensioner seat belt assembly.

Installation
1. Install the pretensioner seat belt assembly.
2. Install the seat cover.
3. Install the seat on seat slide and four fixing bolts.
4. Connect the yellow pretensioner connector at the base of the seat.
5. Install the cover on seat slide.
6. Install the foot rest located behind the seat.



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9A-44 SUPPLEMENTAL RESTRAINT SYSTEM
Main Data and Specifications
Fastener Tightening Specification
Application N·m kgf ·m lb ·ft/lb ·in
SRS control unit 7 0.7 61 lb ·in
Steering wheel fixing bolt 35 3.6 26 lb ·ft
Steering column (dash panel side fixing bolts) 20 2.0 14 lb ·ft
Steering column (Pedal bracket fixing bolt) 20 2.0 14 lb ·ft
Steering column (Universal joint fixing bolt) 31 3.2 23 lb ·ft
Passenger Air Bag fixing bolt & nut 8 0.8 69 lb ·in

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SUPPLEMENTAL RESTRAINT SYSTEM 9A-45
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 AN
UNPOWERED 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 fo
r
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 assembl
y
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 whethe
r
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.

5-8840-0366-0 DMM
901RS163
The 5-8840-0366-0 DMM is the preferred DMM for use
in SRS diagnosis and repair. No other DMMs are
approved for SRS diagnosis and repair.

Scan Tool
901RW 176


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