Isuzu KB P190. Manual - part 73

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 air

bag). 

 

RTW73BSH001101

 
 

 

2.  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) 

    

RTW73BSH000801

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. 

 

RTW73BSH000201

 

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). 

 

RTW73BSH001201

 

RTW73BSH000401

 

 

4.  Push the SRS air bag at area-1 (1) and area-2 (2). At 

that time confirm the audible noise of each stud. 

 

 

 

 

 

 

RTW73BSH000301

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 air 

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. 

 

 

POWER-ASSISTED STEERING SYSTEM 3B-33 

Steering Wheel 

Steering Wheel and Associated Parts 

 

 
 
 
 

 

 

RTW73BLF000101 

Legend 
(1) Horn Lead 
(2) SRS Connector 
(3) Steering Wheel 

 

 
(4)  Steering Wheel 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). 

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 air
bag). 

 

RTW73BSH000101

 

 

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