ISUZU KB P190 2007 Workshop Repair Manual

3B-30 POWER-ASSISTED STEERING SYSTEM
10. Loosen the horn pad fixing screw at the rear of the
steering wheel (without SRS air bag).
430R300009
11. Disconnect the SRS air bag connector (1) and horn lead connector (2) located behind the air bag
assembly and remove the air bag assembly (with
SRS air bag).

RTW 73BSH001101


12. Remove the horn pad and the horn leads at the
center of the wheel (without SRS air bag).
NOTE: It should be removed first from the bottom
spokes.

RTW 73BSH000601
WARNING: THE INFLATOR MODULE SHOULD
ALWAYS BE CARRIED WITH THE COVER AWAY
FROM YOUR BODY AND SHOULD ALWAYS BE
LAID ON A FLAT SURFACE WITH THE COVER SIDE
UP. THIS IS NECESSARY BECAUSE A FREE SPACE
IS PROVIDED TO ALLOW THE AIR CUSHION TO
EXPAND IN THE UNLIKELY EVENT OF
ACCIDENTAL DEPLOYMENT. OTHERWISE,
PERSONAL INJURY MAY RESULT (with SRS ai
r
bag).
430R300007


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ISUZU KB P190 2007

POWER-ASSISTED STEERING SYSTEM 3B-31
Inspection and Repair (with SRS air
bag)
The inflator module consists of a cover, air bag, inflator,
and retainer. Inspect the inflator module mainly for the
following:
・ Check for holes, cracks, severe blemishes and
deformation on the cover.
・ Check that the retainer is not deformed.
・ Check for defects such as damage and breakage in
the lead wire for the igniter.
If an abnormality is found as a result of the inspection,
replace the inflator module with a new one.

Installation
1. Support the inflator module and carefully connect the
SRS connector (1) and horn lead (2) (with SRS ai
r
bag).

RTW 73BSH001101


2. Connect the horn leads at center of wheel (without
SRS air bag).
NOTE: The horn leads (1) are passed along the top o
f
the bracket (2).
(Plastic type steering wheel only)



RTW 73BSH000801
3. Push the horn pad at areas 1-4.
Tighten the horn pad fixing screw to the specifed torque (without SRS air bag)
Torque: 3 N ⋅m (0.3 kgf ⋅m/26 lb ⋅in)
NOTE: A horn pad should not be struck during
attachment.

RTW 73BSH000201


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ISUZU KB P190 2007

3B-32 POWER-ASSISTED STEERING SYSTEM
3. Align each snap stud of driver air bag to the holes on
steering wheel (with SRS air bag).

RTW 73BSH001201

RTW 73BSH000401

4. Push the SRS air bag at area-1 (1) and area-2 (2). At
that time confirm the audible noise of each stud.






RTW 73BSH000301
5. Enable the SRS (Refer to "Enabling the SRS" in this
section) (with SRS air bag).
6. Connect the SRS connector (with SRS air bag).
7. Connect the battery "-" terminal cable (with SRS ai
r
bag).
8. Turn the ignition switch to "ON" while watching warning light and check - the light should flash 7
times and then go off. If lamp does not operate
correctly, refer to Restraints section.



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ISUZU KB P190 2007

POWER-ASSISTED STEERING SYSTEM 3B-33
Steering Wheel
Steering Wheel and Associated Parts






RTW 73BLF000101
Legend
(1) Horn Lead
(2) SRS Connector
(3) Steering W heel
(4) Steering W heel Fixing Nut
(5) Inflator Module or Horn Pad



Removal
1. Turn the steering wheel so that the vehicle's wheels are pointing straight ahead.
2. Turn the ignition switch to "LOCK".
3. Disconnect the battery "-" terminal cable, and wait at least 5 minutes (with SRS air bag).
4. Disconnect the yellow 2-way SRS connector located
under the steering column (with SRS air bag).
CAUTION: The wheels of the vehicle must be
straight ahead and the steering column in the
"LOCK" position before disconnecting the steering
wheel. Failure to do so will cause the coil assembly
to lose its centering which will cause damage to the
coil assembly (with SRS air bag).
5. Disable the SRS (Refer to "Disabling the SRS" in this section) (with SRS air bag).

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ISUZU KB P190 2007

3B-34 POWER-ASSISTED STEERING SYSTEM
6. Check the holes on both sides of the steering cover
(with SRS air bag).
060R300025
7. Check the position of the pins in their holes. Push
the pin in the direction of the arrow (with SRS ai
r
bag).

RTW 73BSH000101

8. Push the four pins with a φ 5~6 mm (0.20~0.24 in)
bar (with SRS air bag).
060R300031
9. Cancel the lock to release the four pins (with SRS air bag).
10. Loosen the horn pad fixing screw at the rear of the steering wheel (without SRS air bag).
430R300009



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ISUZU KB P190 2007

POWER-ASSISTED STEERING SYSTEM 3B-35
11. Disconnect the SRS air bag connector (1) and horn
lead connector (2) located behind the air bag
assembly and remove the air bag assembly (with
SRS air bag).

RTW 73BSH001101
12. Remove the horn pad and the horn leads at the center of the wheel (without SRS air bag).
NOTE: It should be removed first from the bottom
spokes.

RTW 73BSH000601
WARNING: THE INFLATOR MODULE SHOULD
ALWAYS BE CARRIED WITH THE COVER AWAY
FROM YOUR BODY AND SHOULD ALWAYS BE
LAID ON A FLAT SURFACE WITH THE COVER SIDE
UP. THIS IS NECESSARY BECAUSE A FREE SPACE
IS PROVIDED TO ALLOW THE AIR CUSHION TO
EXPAND IN THE UNLIKELY EVENT OF
ACCIDENTAL DEPLOYMENT. OTHERWISE,
PERSONAL INJURY MAY RESULT (with SRS ai
r
bag).


430R300007
13. Apply a setting mark (1) across the steering wheel
and shaft so parts can be reassembled in thei
r
original position. Move the front wheels to the
straight ahead position, then use steering wheel
remover 5-8521-0016-0 (2) to remove the steering
wheel.

RTW 73BSH000501
CAUTION: Never apply force to the steering wheel in
the direction of the shaft by using a hammer o
r
other impact tools in an attempt to remove the
steering wheel. The steering shaft is designed as an
energy absorbing unit.

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ISUZU KB P190 2007

3B-36 POWER-ASSISTED STEERING SYSTEM


RTW 73BSH001301
14. Remove steering column cover.
15. Disconnect the wiring harness connectors located under the steering column then remove combination
switch and SRS coil assembly.

Installation
1. Align the setting marks made when removing, then
install steering wheel.
Refer to the adjustment method in case a mark has not been applied in this section.
NOTE: Confirm SRS and horn harness connector is
fixed by the steering wheel.

RTW 73BSH000701

CAUTION: Never apply force to the steering wheel in
the direction of the shaft by using a hammer o
r
other impact tools in an attempt to remove the
steering wheel. The steering shaft is designed as an
energy absorbing unit.
2. Tighten the steering wheel fixing nut to the specified
torque.
Torque: 35 N ⋅
⋅⋅
⋅
m (3.6 kgf ⋅
⋅⋅
⋅
m/26 lb ⋅
⋅⋅
⋅
ft)
3. Support the inflator module and carefully connect the
SRS connector (1) and horn lead (2) (with SRS ai
r
bag).

RTW 73BSH001101
4. Connect the horn leads at center of wheel (without SRS air bag).
NOTE: The horn leads (1) are passed along the top o
f
the bracket (2).
(Plastic type steering wheel only)



RTW 73BSH000801



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ISUZU KB P190 2007

POWER-ASSISTED STEERING SYSTEM 3B-37

5. Push the horn pad at areas 1-4.
Tighten the horn pad fixing screw to the specifed torque (without SRS air bag)
Torque: 3 N ⋅
⋅⋅
⋅
m (0.3 kgf ⋅
⋅⋅
⋅
m/26 lb ⋅
⋅⋅
⋅
in)
NOTE: A horn pad should not be struk during
attachment.

RTW 73BSH000201
6. Align each snap stud of driver air bag to the holes on
steering wheel. (with SRS air bag)

RTW 73BSH001201


RTW 73BSH000401
7. Push the SRS air at bag at area-1 (1) and area-2 (2).
At that time confirm the audible noise of each stud.
(with SRS air bag)

RTW 73BSH000301
8. Enable the SRS (Refer to "Enabling the SRS" in this section) (with SRS air bag).
9. Connect the SRS connector (with SRS air bag).
10. Connect the battery "-" terminal cable (with SRS ai
r
bag).
11. Turn the ignition switch to "ON" while watching warning light and check - the light should flash 7
times and then go off. If lamp does not operate
correctly, refer to Restraints section.



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ISUZU KB P190 2007

3B-38 POWER-ASSISTED STEERING SYSTEM
The adjustment method in case a mark has not been applied
with SRS air bag



RTW 63BMF000201

without SRS air bag




RTW 63BMF000301


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ISUZU KB P190 2007

POWER-ASSISTED STEERING SYSTEM 3B-39
Combination Switch
Combination Switch and Associated Parts









RTW 73BLF000201
Legend
(1) Steering Column Cover
(2) Steering W heel
(3) Inflator Module or Horn Pad
(4) Combination Switch and SRS Coil Assembly
(5) Instrument Panel Lower Cover
(6) Driver Knee Bolster (reinforcement)


Removal
1. Turn the steering wheel so that the vehicle's wheels are pointing straight ahead.
2. Turn the ignition switch to "LOCK".
3. Disconnect the battery "-" terminal cable, and wait at least 5 minutes (with SRS air bag).
4. Disconnect the yellow 2-way SRS connector located
under the steering column (with SRS air bag).
CAUTION: The wheels of the vehicle must be
straight ahead and the steering column in the
"LOCK" position before disconnecting the steering
wheel. Failure to do so will cause the coil assembly
to lose its centering which will cause damage to the
coil assembly. (with SRS air bag)
5. Remove the engine hood opening lever, then remove instrument panel lower cover.
6. Remove the driver knee bolster (reinforcement).

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ISUZU KB P190 2007