Isuzu KB P190. Manual - part 77

POWER-ASSISTED STEERING SYSTEM 3B-47 

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). 

 

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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. 

 

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15.  Apply a setting mark (1) across the steering wheel

and shaft so parts can be reassembled in their
original position. 

 

 

 

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16.  Move the front wheels to the straight ahead position, 

then use steering wheel remover 5-8521-0016-0 (2) 
to remove the steering wheel. 

CAUTION: Never apply force to the steering wheel in
the direction of the shaft by using a hammer or 
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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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 air 
bag). 

3B-48 POWER-ASSISTED STEERING SYSTEM 

430R300007

17.  Remove steering column cover. 
18. Disconnect the wiring harness connectors located

under the steering column. 

19.  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 (with SRS air bag). 

 

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20.  Turn the ignition switch to the ACC position. 
 

 

21.  Insert a pin (1) into the hole and push on it. Pull the 

key cylinder free. 

 

 
 
 
 

 

 

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Installation 

1.  Install lock cylinder assembly. 

2. Install the combination switch assembly with SRS 

coil (with SRS air bag). 

3. Turn the SRS coil fully counterclockwise, return 

about 3 turns and align the neutral mark (with SRS 

air bag). 

CAUTION: When turning the SRS coil fully
counterclockwise, stop turning if resistance is felt.
Further forced turning may damage the cable in the 
SRS coil (with SRS air bag). 

826RW014

Legend 

(1) Neutral mark 
 

POWER-ASSISTED STEERING SYSTEM 3B-49 

825RS048

4.  Install the driver knee bolster assembly. 

5. Install the steering lower cover and engine hood

opening lever. 

6.  Install the steering wheel and align the setting marks.

 

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. 

 

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

7.  Tighten the steering wheel fixing nut to the specified

torque. 

 

Torque: 35 N

⋅⋅⋅⋅m (3.6 kgf⋅⋅⋅⋅m/26 lb⋅⋅⋅⋅ft) 

 

 

8. Support inflator module and carefully connect the 

SRS connector (1) and horn lead (2), then install 

inflator module (with SRS air bag). 

 

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9.  Connect the horn leads at center of wheel (without 

SRS air bag). 

NOTE: The horn leads (1) are passed along the top of
the bracket (2). 
(Plastic type steering wheel only) 

    

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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

⋅⋅⋅⋅m (0.3 kgf⋅⋅⋅⋅m/26 lb⋅⋅⋅⋅in) 

NOTE: A horn pad should not be struck during
attachment. 

 

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11. Align each snap stud of driver air bag to the holes on 

steering wheel (with SRS air bag). 

 

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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) 

 

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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 air 

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.