lock ISUZU TROOPER 1998 Service Workshop Manual

SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN 2A – 53
ON-VEHICLE SERVICE
21
827RW035
SRS CONNECTORS
CAUTION:
The special yellow color connectors are used for
supplemental restraint system-air bag circuit.
When removing the cable harness, do not pull the cables.
Otherwise, cable disconnection may occur.
When connect the SRS connector, insert the connector
completely. Imperfect locking may cause malfunction of
SRS circuit.
REMOVAL
To remove the connector, hold the cover insulator(1) and
pull it. The cover insulator slides and lock will be released.
Do not hold the socket insulator(2).
INSTALLATION
To install the connector, hold the socket insulator(1) and
insert it. The cover insulator slides and connector will be
locked.
Do not hold the cover insulator(2).
2
1
827RW034

2A – 54 SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN
INFLATOR MODULE REPLACEMENT
1
3
2
Removal Steps
1. Fixing bolt
2. Module connector
3. Inflator module
Installation Steps
3. Inflator module
2. Module connector
1. Fixing bolt
827RS049
These steps are based on the LHD model.
REMOVAL
Preparation:
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 ground cable, and wait at least
5 minutes.
4) Disconnect the yellow 2way SRS connector located
under the steering column.
1. Fixing Bolt
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.
827RS014

SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN 2A – 57
STEERING WHEEL REPLACEMENT
1
3
2
4
Removal Steps
1. Inflator module
2. Horn lead
3. Steering wheel fixing nut
4. Steering wheel
Installation Steps
4. Steering wheel
3. Steering wheel fixing nut
2. Horn lead
1. Inflator module
430RS016
These steps are based on the LHD model.
REMOVAL
Preparation:
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 ground cable, and wait at least
5 minutes.
4) Disconnect the yellow 2way SRS connector located
under the steering column. CAUTION:
Once the steering column is removed from the vehicle, the column is extremely suspectible to
damage. Dropping the column assembly on its end could collapse the steering shaft or loosen the
slide block which maintains column rigidity. Leaning on the column assembly could cause the jacket
to bend or deform. Any of the above damage could impair the column's collapsible design. If it is
necessary to remove the steering wheel, use only the specified steering wheel puller. Under no
conditions should the end of the shaft be hammered upon, as hammering could loosen slide block
which maintains column rigidity.

2A – 60 SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN
COMBINATION SWITCH REPLACEMENT
32
1
74 5 6
Removal Steps
1. Front console assembly
2. Lower cluster assembly
3. Steering lower cover
4. Inflator module
5. Steering wheel
6. Steering column cover
7. Combination switch and
SRS coil assembly
Installation Steps
7. Combination switch and
SRS coil assembly
6. Steering column cover
5. Steering wheel
4. Inflator module
3. Steering lower cover
2. Lower cluster assembly
1. Front console assembly
431RT001
These steps are based on the LHD model.
REMOVAL
Preparation:
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 ground cable, and wait at least
5 minutes.
4) Disconnect the yellow 2way 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.

2A Ð 62 SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN
Use special tool. Remove the steering wheel.
Move the tires to the straight ahead position before
removing the steering wheel.
Steering wheel remover: 5-8840-0016-0 (J-29752)
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.
6. Steering Column Cover
7. Combination Switch and SRS Coil Assembly
1) Disconnect the wiring harness connectors
located under the steering column.
2) 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.
825RS046
INSTALLATION
Alignment mark
7. Combination Switch and SRS Coil Assembly
1) After installation of combination switch
assembly, connect the combination switch
wiring harness connector and the SRS 2way
connector located under the steering column.
2) 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.
826RW027
Starter switch
harness
Combination
switch harness
Inflator module
harness
Setting cowl
(Lower)
6. Steering Column Cover
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.
825RS048

2A – 64 SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN
LOCK CYLINDER REPLACEMENT
1
5
4
6
78911
10
3
2
Removal Steps
1. Front console assembly
2. Lower cluster assembly
3. Steering lower cover
4. Inflator module
5. Steering wheel
6. Steering column cover
7. Combination switch and
SRS coil assembly
8. Snap ring
9. Cushion rubber
10. Shift lock cable (for A/T)
11. Lock cylinder assembly
Installation Steps
11. Lock cylinder assembly
10. Shift lock cable (for A/T)
9. Cushion rubber
8. Snap ring
7. Combination switch and
SRS coil assembly
6. Steering column cover
5. Steering wheel
4. Inflator module
3. Steering lower cover
2. Lower cluster assembly
1. Front console assembly
431RT003
These steps are based on the LHD model.
REMOVAL
Preparation:
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 ground cable, and wait at least
5 minutes.
4) Disconnect the yellow 2way SRS connector located
under the steering column.

SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN 2A – 65
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.
1. Front Console Assembly
1) Remove the transmission (for M/T) and transfer
control lever knob.
2) Disconnect the wiring harness connectors.
2. Lower Cluster Assembly
3. Steering Lower Cover
Remove the engine hood opening lever.
4. Inflator Module
1) 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.
2) Disconnect the yellow 2way SRS connector
located behind the inflator module.
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 A
ACCIDENTAL DEPLOYMENT. OTHERWISE, PERSONAL
INJURY MAY RESULT.
827RS014
827RS015
827RS016
Up

2A – 66 SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN
5. Steering Wheel
Apply a setting mark across the steering wheel and
shaft so parts can be reassembled in their original
position.
Use special tool. Remove the steering wheel.
Move the tires to the straight ahead position before
removing the steering wheel.
Steering wheel remover: 5-8840-0016-0 (J-29752)
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.
6. Steering Column Cover
7. Combination Switch and SRS Coil Assembly
1) Disconnect the wiring harness connectors
located under the steering column.
2) 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.
8. Snap Ring
9. Cushion Rubber
10. Shift Lock Cable (for A/T)
11. Lock Cylinder Assembly
Disconnect the starter switch harness connector
located under the steering column.
825RS046
430RS004
Setting mark

SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN 2A – 67
INSTALLATION
11. Lock Cylinder Assembly
10. Shift Lock Cable (for A/T)
9. Cushion rubber
8. Snap ring
7. Combination Switch and SRS Coil Assembly
1) After installation of combination switch
assembly, connect the combination switch
wiring harness connector and the SRS 2way
connector located under the steering column.
2) 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.
6. Steering Column Cover
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.
5. Steering Wheel
Align the setting marks made when removing.
CAUTION:
Never apply force to the setting 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.
Tighten the steering wheel fixing nut to the specified
torque.
Steering Wheel Nut Torque N·m (kg·m/lb·ft)
34 (3.5 / 25)
Alignment mark
826RW027
Starter switch
harness
Combination
switch harness
Inflator module
harness
Setting cowl
(Lower)
825RS048

SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL & COLUMN 2A – 69
STEERING COLUMN REPLACEMENT
35
0
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7
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11
2
13
4
3
1
Removal Steps
1. Front console assembly
2. Lower cluster assembly
3. Steering lower cover
4. Driver knee bolster (rein-
forcement)
5. Inflator module
6. Steering wheel
7. Steering column cover
8. Combination switch and
SRS coil assembly
9. Snap ring
10. Cushion rubber
11. Shift lock cable (for A/T)
12. Lock cylinder assembly
13. Steering column assembly
Installation Steps
13. Steering column assembly
12. Lock cylinder assembly
11. Shift lock cable (for A/T)
10. Cushion rubber
9. Snap ring
8. Combination switch and
SRS coil assembly
7. Steering column cover
6. Steering wheel
5. Inflator module
4. Driver knee bolster (reinforcement)
3. Steering lower cover
2. Lower cluster assembly
1. Front console assembly
431RT002
These steps are based on the LHD model.
12
8
7
6
5
13
11
10
9
4
2
1