Isuzu Trooper (2000 year). Manual — part 56
2A–54
POWER ASSISTED SYSTEM
Lock Cylinder
Lock Cylinder and Associated Parts
431RW003
Legend
(1) Inflator Module
(2) Steering Wheel
(3) Steering Column Cover
(4) Combination Switch and SRS Coil Assembly
(5) Snap Ring
(6) Cushion Rubber
(7) Lock Cylinder Assembly
(8) Front Console Assembly
(9) Lower Cluster Assembly
(10) Steering Lower Cover
(11) Shift Lock Cable (for A/T)
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.
4. Disconnect the yellow 2-way SRS connector located
under the steering column.
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 become uncentered which will cause damage to
the coil assembly.
5. Remove the transmission (for M/T) and transfer
control lever knob and disconnect the wiring harness
connectors, then remove front console assembly.
6. Remove lower cluster assembly.
7. Remove the engine hood opening lever and steering
lower cover.
POWER ASSISTED SYSTEM
2A–55
8. Loosen the inflator module fixing bolt from behind the
steering wheel assembly using a TORX
driver or
equivalent until the inflator module can be released
from steering assembly.
827RT008
9. Disconnect the yellow 2-way SRS connector located
behind the inflator module.
827RW002
10. Apply a setting mark (1) across the steering wheel
and shaft so parts can be reassembled in their original
position.
430RW001
11. Move the front wheels to the straight ahead position,
then use steering wheel remover J–29752 to remove
the steering wheel.
CAUTION: Never apply force to the steering wheel
in 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.
430RT009
2A–56
POWER ASSISTED SYSTEM
WARNING: THE INFLATOR MODULE SHOULD
ALWAYS BE CARRIED WITH THE URETHANE
COVER AWAY FROM YOUR BODY AND SHOULD
ALWAYS BE LAID ON A FLAT SURFACE WITH THE
URETHANE 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.
827RS016
12. Remove steering column cover.
13. Disconnect the wiring harness connectors located
under the steering column.
14. Remove the combination switch assembly with SRS
coil.
NOTE: The SRS coil is a part of the combination switch
assembly, which can not be replaced separately.
Therefore, be sure not to remove the SRS coil from the
combination switch assembly.
825RW030
15. Remove snap ring.
16. Remove cushion rubber.
17. Remove shift lock cable (for A/T).
18. Disconnect the starter switch harness connector
located under the steering column, then remove lock
cylinder assembly.
Installation
1. Install lock cylinder assembly.
2. Install shift lock cable (for A/T).
3. Install cushion rubber.
4. Install snap ring.
5. 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.
6. Turn the SRS coil counterclockwise to full, return
about 3 turns and align the neutral mark.
CAUTION: When turning the SRS coil
counterclockwise to full, stop turning if resistance is
felt. Forced further turning may damage to the cable
in the SRS coil.
826RW014
POWER ASSISTED SYSTEM
2A–57
7. When installing the steering column cover, be sure to
route each wire harness as illustrated so that the
harnesses do not catch on any moving parts.
825RW017
Legend
(1) Steering Column Cover
(2) Starter Switch Harness
(3) Combination Switch Harness
(4) Inflator Module Harness
8. Install steering wheel by aligning the setting marks
made during removal.
CAUTION: Never apply force to the steering wheel
in 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.
9. Tighten the steering wheel fixing nut to the specified
torque.
Torque: 34 N·m (25 lb ft)
10. Support inflator module and carefully connect the
module connector, then install inflator module.
CAUTION:
D
Never use the air bag assembly from another
vehicle. Use only the air bag assembly for “UX”.
D
The driver’s air bag assembly (Inflator module)
for 1999 model has different characteristic to the
parts for 1998 model.
When replace the driver’s air bag assembly,
confirm the parts number and use only the parts
for 1999 model. (The driver’s air bag assembly for
1999 model has “yellow” bar codes label. 1998
model has “white” bar codes label.)
NOTE: Pass the lead wire through the tabs on the plastic
cover (wire protector) of inflator to prevent lead wire from
being pinched.
11. Secure the inflator module with one bolt to relieve
weight on the wire connector.
12. Tighten fixing bolts to specified sequence as
illustrated.
Torque: 8 N·m (69 lb in)
827RW003
13. Install steering lower cover, then install the engine
hood opening lever.
14. Install lower cluster assembly.
15. Connect the wiring harness connectors, then install
front console assembly and install the transmission
(for M/T) and transfer control lever knob.
16. Connect the yellow 2-way SRS connector located
under the steering column.
17. Connect the battery “–” terminal cable.
System Inspection
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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