ISUZU KB P190 2007 Workshop Repair Manual
Manufacturer: ISUZU, Model Year: 2007, Model line: KB P190, Model: ISUZU KB P190 2007Pages: 6020, PDF Size: 70.23 MB
Page 311 of 6020

3B-50 POWER-ASSISTED STEERING SYSTEM
10. 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 â‹…
â‹…â‹…
â‹…
m (0.3 kgf â‹…
â‹…â‹…
â‹…
m/26 lb â‹…
â‹…â‹…
â‹…
in)
NOTE: A horn pad should not be struck during
attachment.
RTW 73BSH000201
11. Align each snap stud of driver air bag to the holes on
steering wheel (with SRS air bag).
RTW 73BSH001201
RTW 73BSH000401
12. Push the SRS air 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
13. Enable the SRS (Refer to "Enabling the SRS" in this section) (with SRS air bag).
14. Install driver knee bolster (reinforcement).
15. Install instrument panel lower cover, then install the engine hood opening lever.
16. Connect the yellow 2-way SRS connector located under the steering column (with SRS air bag).
17. Connect the battery "-" terminal cable (with SRS ai
r
bag).
System Inspection (with SRS air bag)
Turn the ignition switch to "ON" while watching warning
light.
The light should flash 7 times and then go off. If lamp
does not operate correctly, refer to Restraints section.
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Page 312 of 6020

POWER-ASSISTED STEERING SYSTEM 3B-51
Steering Column
Steering Column and Associated Parts
RTW 73BLF000301
Legend
(1) Inflator Module or Horn Pad
(2) Steering W heel
(3) Steering Column Cover
(4) Combination Switch and SRS Coil Assembly
(5) Steering Column Assembly
(6) Second Steering Shaft
(7) Lower Second Steering Shaft
(8) Instrument Panel Lower Cover
(9) 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)
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Page 313 of 6020

3B-52 POWER-ASSISTED STEERING SYSTEM
CAUTION: The wheel of the vehicle must be straight
ahead and the steering column in the "LOCK"
position before disconnecting the steering column
from the steering gear. Failure to do so will cause
the SRS coil assembly to lose its centering which
will cause damage to the SRS coil assembly (with
SRS air bag).
5. Remove the engine hood opening lever and steering lower cover.
6. Remove the driver knee bolster (reinforcement).
7. Disable the SRS (Refer to "Disabling the SRS" in this section) (with SRS air bag).
8. Check the holes on both sides of the steering cove
r
(with SRS air bag).
060R300025
9. Check the position of the pins in thier holes. Push the pin in the direction of the arrow (with SRS ai
r
bag).
RTW 73BSH000101
10. Push the four pins with a φ 5~6 mm (0.20~0.24 in)
bar (with SRS air bag).
060R300031
11. Cancel the lock to release the four pins (with SRS air bag).
12. Loosen the horn pad fixing screw at the rear of the steering wheel (without SRS air bag).
430R300009
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Page 314 of 6020

POWER-ASSISTED STEERING SYSTEM 3B-53
13. 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
14. 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
15.
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
RTW 73BSH001301
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Page 315 of 6020

3B-54 POWER-ASSISTED STEERING SYSTEM
16. Remove steering column cover.
17. Disconnect the wiring harness connectors located under the steering column.
18. Remove the combination switch assembly with SRS coil.
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.
RTW 73BSH001001
19. Disconnect the starter switch harness connector
located under the steering column, then remove
lock cylinder assembly.
20.
Apply a setting mark (1) across the universal joint
and steering shaft to reassemble the parts in thei
r
original position, then remove steering column
assembly and second shaft.
NOTE: A setting mark can be easily made if the shaft is
withdrawn a little by loosening the steering shaft
universal joint.
RTW 53BSH000301
Inspection
If abnormal conditions are found during inspection,
replace the steering column assembly.
Column Capsules
Check capsules on steering column bracket assembly;
all must be securely seated in bracket slots and
checked for any loose condition when pushed or pulled
by hand.
431RW 030
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Page 316 of 6020

POWER-ASSISTED STEERING SYSTEM 3B-55
Check clearance between capsule and bracket. It must
be less than 1 mm (0.039 in).
431RW 031
Column Universal Joint (between the
power steering unit and the steering shaft)
If resistance is felt when checked by rotating the joint,
replace the lower second steering shaft.
Shaft Universal Joint (between the lower
second steering shaft and the second
steering shaft)
If resistance is felt when checked by rotating the joint,
replace the second steering shaft assembly.
Tilt Mechanism
The tilt mechanism should move smoothly.
W hile locking the tilt mechanism, be sure the steering
column is latched securely by pushing the steering
wheel upward and downward.
Installation
1. Align the setting mark (1) on the second steering
shaft and the steering column assembly (applied at
disassembly).
2. Connect the steering column assembly to the second steering shaft. Tighten the bolts to the specified
torque.
Torque: 31 N â‹…
â‹…â‹…
â‹…
m (3.2 kgf â‹…
â‹…â‹…
â‹…
m/23 lb â‹…
â‹…â‹…
â‹…
ft)
RTW 53BSH00301
3. Thread the steering column assembly through the
hole in the dashpanel. Temporarily tighten the
steering column and the second steering shaft fixing
bolts.
4.
Align the setting marks (applied at disassembly) and
connect the lower second steering shaft and the
second steering shaft. Tighten the universal joint
bolts to the specified torque.
Torque: 31 N â‹…
â‹…â‹…
â‹…
m (3.2 kgf â‹…
â‹…â‹…
â‹…
m/23 lb â‹…
â‹…â‹…
â‹…
ft)
5. Tighten the steering column fixing bolt (pedal bracket side) to the specified torque (This bolt was
temporarily tightened in Step 3).
Torque: 20 N â‹…
â‹…â‹…
â‹…
m (2.0 kgf â‹…
â‹…â‹…
â‹…
m/14 lb â‹…
â‹…â‹…
â‹…
ft)
6. Tighten the second steering shaft fixing bolt to the specified torque (This bolt was temporarily tightened
in Step 3)
Torque: 20 N â‹…
â‹…â‹…
â‹…
m (2.0 kgf â‹…
â‹…â‹…
â‹…
m/14 lb â‹…
â‹…â‹…
â‹…
ft)
7. Tighten the steering column fixing bolt (dashpanel side) to the specified torque (This bolt was
temporarily tightened in Step 3).
Torque: 20 N â‹…
â‹…â‹…
â‹…
m (2.0 kgf â‹…
â‹…â‹…
â‹…
m/14 lb â‹…
â‹…â‹…
â‹…
ft)
8. Install combination switch and SRS coil assembly.
After installation of combination switch assembly,
connect the combination switch wiring harness
connector and the SRS 2-way connector located
under the steering column.
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Page 317 of 6020

3B-56 POWER-ASSISTED STEERING SYSTEM
9. Turn the SRS coil fully counterclockwise, return
about 3 turns and align the neutral mark (1). (with
SRS air bag)
CAUTION: When turning the SRS coil fully
counterclockwise, stop turning if resistance is felt.
Further forced turning may damage to the cable in
the SRS coil.
826RW 014
10. W hen installing the steering column cover, be sure to
route each wiring harness as illustrated so that the
harnesses do not catch any moving parts.
825RW 017
Legend
(1) Steering Column Cover
(2) Starter Switch Harness
(3) Combination Switch Harness
(4) Inflator Module Harness
11. Install steering wheel and align the setting marks
made when removing. 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.
12. Tighten the steering wheel fixing nut to the specified torque.
Torque: 35 N â‹…
â‹…â‹…
â‹…
m (3.6 kgf â‹…
â‹…â‹…
â‹…
m/26 lb â‹…
â‹…â‹…
â‹…
ft)
13. Support the module and carefully connect the module connector and horn lead, then install inflato
r
module.
NOTE: Pass the lead wire through the tabs on the
plastic cover (wire protector) of inflator to prevent lead
wire from being pinched.
14. Tighten bolts to specified torque.
Torque: 3 N â‹…
â‹…â‹…
â‹…
m (0.3 kgf â‹…
â‹…â‹…
â‹…
m/26 lb â‹…
â‹…â‹…
â‹…
in)
15. Install driver knee bolster (reinforcement).
16. Install instrument panel lower cover.
17. Install the engine hood opening lever.
18. Connect the yellow 2-way SRS connector and horn lead located under the steering column.
19. Connect the battery "-" terminal cable (with SRS ai
r
bag).
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Page 318 of 6020

POWER-ASSISTED STEERING SYSTEM 3B-57
System Inspection (with SRS air bag)
Turn the ignition switch to "ON" while watching warning
light.
The light should flash 7 times and then go off. If lamp
does not operate correctly, refer to Restraints section.
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Page 319 of 6020

3B-58 POWER-ASSISTED STEERING SYSTEM
Supplemental Restraint System Steering Wheel & Column and
Associated Parts
Main Data and Specifications
Torque Specifications Nâ‹…m (kgf â‹…m/lb â‹…ft)
RTW 73BLF000501
Special Tools
ILLUSTRATION
TOOL NO.
TOOL NAME
5-8521-0016-0
(J-29752)
Steering wheel remover
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Page 320 of 6020

SECTION 3C
FRONT SUSPENSION
TABLE OF CONTENTS
F
R O NT SU SPEN SION 3C -1
Main Data and Specifications .......................................................................................... 3C- 2
Torque Specififcations ..................................................................................................... .3C - 3
Special Parts Fixing nuts and Bolts ............................................................................ 3C- 3
Front Suspension ........................................................................................ ..................... 3C- 6
General Description . ............................................................................................. ....... 3C - 6
PAGE
F ro nt S usp en sio n
( 4 x2 Except High Ride Suspension) ........................................................................... 3C- 8
Front Suspension
(4x2 High Ride Suspension 4x4) ................................................................................ 3C- 30
Troubleshooting ................................................................... ....................................... 3C- 54
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