tow ISUZU TROOPER 1995 Repair Manual

Supplemental Restraint System 9J-13
ON-VEHICLE SERVICE
SERVICE PRECAUTIONS
WARNING: WHEN PERFORMING SERVICE ON OR
AROUND SRS COMPONENTS OR SRS WIRING,
FOLLOW
THE PROCEDURES LISTED BELOW TO
TEMPORARILY DISABLE THE SRS. FAILURE TO
FOLLOW PROCEDURES COULD RESULT IN
POSSIBLE AIR
BAG DEPLOYMENT, PERSONAL
INJURY OR OTHERWISE
UNNEEDED SRS
REPAIRS.
The DERM in Driver-Passenger SRS can maintain
sufficient voltage to cause a deployment for up to 2
minutes after the ignition switch is turned
"OFF," the
battery is disconnected, or the fuse powering the DERM
is removed.
Many of the service procedures require removal of the
"AIR BAG" fuse, and disconnection of the inflator
modules from the deployment loop to avoid an accidental
deployment.
If the inflator module is disconnected from
the deployment loop as noted in the "Disabling the
SRS"
procedure that follows, service can begin immediately
without waiting for the 2-minute time period to expire.
DISABLING THE SRS
REMOVAL
Turn the ignition switch to "OFF"
1. Remove SRS fuse C-21, C-22, C-23 and C-24 from
left dash side lower fuse block.
2. Disconnect yellow 3-way connector at the base of
steering column.
3. Remove 1/P compartment door assembly, Refer to
"Passenger inflator module replacement" in section
9J-132.
4. Disconnect yellow 4-way connector behind the 1/P
compartment door assembly.
IMPORTANT
• With the "AIR BAG" fuse removed and ignition switch
"ON," if Fuse 21 left. the "AIR BAG" warning lamp will
be "ON." This is normal operation and does not
indicate an
SRS malfunction.
ENABLING THE SRS
INSTALLATION
Turn ignition switch to "LOCK" and remove key.
1. Connect yellow 4-way connector for passenger
inflator module.
2. 1/P compartment door assembly, Refer to
"Passenger inflator module replacemenf' in section
9J-3.
3. Connect yellow 2-way connector at the base of the
steering column.
4. Install "AIR BAG" fuse C-21, C-22, C-23 and C-24 to
left dash side lower fuse block.
Turn ignition switch to
"RUN" and verify that the "AIR
BAG"
warning lamp flashes seven times and then turns
"OFP' If it does not operate as described, perform the
"SRS Diagnostic System Check" in section 9J-2.
HANDLING/INSTALLATION/DIAGNOSIS
1. Inflator modules should not be subjected to
temperatures above
65°C{150°F).
2. Discriminating sensors, inflator modules, arming
sensors, or DERMs should not be used if they have
been dropped from a height
of 91.4 centimeters
{3feet).
3. When a discriminating sensor or arming sensor is
replaced, it must be oriented with the arrow on the
sensor pointing toward the front of the vehicle.
It is
very important for the discriminating sensors and
arming sensor to be located flat on the mounting
surface, parallel to the vehicle datum line.
It is
important that the sensor mounting surface is free of
any dirt or other foreign material.
4. Do not apply power to the SRS unless all
components are connected or a diagnostic chart
requests it, as this
will set a diagnostic trouble code.
5. The "SRS Diagnostic System Check" must be the
starting point of any
SRS diagnostics. The "SRS
Diagnostic System Check" will verify proper "AIR
BAG"
warning lamp operation and will lead you to the
correct chart to diagnose any
SRS malfunctions.
Bypassing these procedures may result
in extended
diagnostic time, incorrect diagnosis, and incorrect
parts replacements.

Supplemental Restraint System 9J-117
SERVICE PRECAUTIONS
CAUTION: WHEN PERFORMING SERVICE ON OR
AROUND SRS COMPONENTS OR SRS WIRING,
FOLLOW
THE PROCEDURES LISTED BELOW TO
TEMPORARILY
DISABLE THE SRS. FAILURE TO
FOLLOW PROCEDURES COULD RESULT IN
POSSIBLE AIR BAG DEPLOYMENT, PERSONAL
INJURY OR OTHERWISE UNNEEDED SRS
REPAIRS.
The DERM in Driver-Passenger SRS can maintain
sufficient voltage to cause a deployment for up to 2
minutes after the ignition switch is turned to
"OFF," the
battery is disconnected, or the fuse powering the DERM
is removed.
Many of the service procedures require removal of the
"AIR BAG" fuse, and disconnection of the inflator
modules from the deployment loop to avoid an accidental
deployment.
If the inflator module is disconnected from
the deployment loop as noted in the "Disabling the
SRS"
procedure that follows, service can begin immediately
without waiting for the 2 minute time period to expire.
DISABLING THE SRS
REMOVAL
• Turn the steering wheel so that the vehicle's wheels
are pointing straight ahead.
• Turn the ignition switch to "OFF"
1. Remove SRS fuse C-21, C-22, C-23 and C-24 from
left dash side lower fuse block.
2. Disconnect yellow
3-way connector at the base of
the steering column.
3. Remove
liP compartment door assembly, Refer to
"Passenger inflator module replacemenf' in section
9J-135.
4. Disconnect yellow 4-way connector behind the liP
compartment door assembly.
NOTE
• With the" AIR BAG" fuse removed and ignition switch
"ON," the "AiR BAG" warning lamp will be "ON." This
is normal operation and does not indicate
an SRS
malfunction.
ENABLING THE SRS
INSTALLATION
Turn ignition switch to "LOCK" and remove key.
1. Connect yellow 4-way connector of passenger
inflator module.
2. Install liP compartment door assembly, Refer to
"Passenger inflator module replacement" in section
9J-3.
3. Connect yellow 3-way connector at the base of the
steering column.
4. Install" AIR BAG" fuse C-21, C-22, C-23 and C-24 to
left dash side lower fuse block.
Tum ignition switch to
"RUN" and verify that the "AIR
BAG"
warning lamp flashes seven times and then turns
"OFF" If it does not operate as described, perform the
"SRS Diagnostic System Check" in section 9J-32.
HANDLING/INSTALLATION/DIAGNOSIS
1. Inflator modules should not be subjected to
temperatures above 65°C(150°F).
2. Discriminating s~nsors, inflator modules, arming
sensors, or DERMs should not be used if they have
been dropped from a height of 1
00 centimeters (3.28
feet) or more.
3. When a discriminating sensor or arming sensor is
replaced, it MUST be oriented with the arrow
on the
sensor pointing toward the front of the vehicle.
It is
very important for the discriminating sensors and
arming sensor to be located flat on the mounting
surface, parallel to the vehicle datum line.
It is
important that the sensor mounting surface is free of
any dirt or other foreign material.
4. Do not apply power to the SRS unless all
components are connected or a diagnostic chart
requests it, as this
will set a diagnostic trouble code.
5. The
"SRS Diagnostic System Check'' must be the
starting point of any SRS diagnostics. The
"SRS
Diagnostic System Check" will verify proper "AIR
BAG" warning lamp operation and will lead you to the
correct chart to diagnose any SRS malfunctions.
Bypassing these procedures may result in extended
diagnostic time, incorrect diagnosis, and incorrect
parts replacements.
INSPECTIONS REQUIRED AFTER ACCI­
DENT
CAUTION: CERTAIN SRS COMPONENTS MUST BE
REPLACED AFTER A FRONTAL
CRASH INVOLVING
AIR
BAG DEPLOYMENT.
In all types of accident regardless of "Air Bag"
deployment, visually inspect all the following
components and their points and replace as required:
- Passenger
Inflator Module
- Steering wheel
- SRS coil assembly
- Steering column
- Knee bolster and
Instrument panel mounting

Supplemental Restraint System 9J-119
DIAGNOSTIC ENERGY RESERVE ,MODULE
WARNING: DURING SERVICE PROCEDURES, BE VERY CAREFUL WHEN HANDLING A SENSOR. NEVER
STRIKE OR
JAR A SENSOR. UNDER SOME CIRCUMSTANCES, IT COULD CAUSE DEPLOYMENT AND
RESULT IN PERSONAL INJURY OR IMPROPER OPERATION OF THE SUPPLEMENTAL RESTRAINT SYSTEM(
SRS
). ALL SENSOR AND MOUNTING BRACKET BOLTS MUST BE CAREFULLY TORQUED TO ASSURE
PROPER OPERATION. NEVER POWER UP THE SRS WHEN ANY SENSOR IS NOT RIGIDLY ATTACHED TO
VEHICLE, SINCE
THE SENSOR COULD BE ACTIVATED WHEN NOT ATTACHED AND COULD RESULT IN
DEPLOYMENT.
WARNING: PROPER OPERATION OF THE SENSORS AND SUPPLEMENTAL RESTRAINT SYSTEM( SRS)
REQUIRES
THAT ANY REPAIRS TO THE VEHICLE STRUCTURE RETURN IT TO ITS ORIGINAL PRODUCTION
CONFIGURATION.
DEPLOYMENT (CURRENT CODE 51 )OR ANY VISIBLE DAMAGE TO SENSOR AND/OR
THEIR MOUNTING BRACKETS REQUIRES REPLACEMENT, NOT REPAI~. PROPER OPERATION OF A
SENSOR ALSO REQUIRES THAT SENSOR BE RIGIDLY BOLTED TO THE VEHICLE STRUCTURE.THE ARROW
ON THE SENSOR MUST BE POINTING TOWARD THE FRONT OF THE VEHICLE. FAILURE TO OBSERVE
THESE PRECAUTIONS CAN RESULT IN IMPROPER SRS OPERATION AND POSSIBLE LACK OF
SUPPLEMENTAL RESTRAINT PROTECTION FOR THE DRIVER AND PASSENGER DURING AN ACCIDENT
IMPACT.
All
sensors are specifically calibrated and are keyed to the sensor location and SRS wiring harness. Caution should
be used to ensure proper location of the sensors. The keying of the sensor to their locations and wiring harness
connectors should never be modified in the filed.
REMOVAL
1. Disable the SRS. (Refer to "Disabling the SRS "
in this section.)
2. Remove the transmission knob(for MIT) and
transfer control knob.
3. Remove front console assembly and disconnect
the wiring harness connector.
4. Pull lock tab up and push connector lock down to
disconnect connector.
5. Remove three DERM fixing screws and DERM. •d ...........
INSTALLATION
1. Install DERM into bracket and fixing screws.
2. Connect DERM connector and push lock tab
down.
3. Install front console assembly and connect the
wiring harness connector.
4. Install the transmission knob(for MIT) and
transfer control knob.
5. Enable the SRS (Refer to "Enabling the SRS" in
this section.).

9J-120 Supplemental Restraint System
DISCRIMINATING SENSOR -FORWARD SENSOR LH
WARNING: DURING SERVICE PROCEDURES, BE VERY CAREFUL WHEN HANDLING A SENSOR. NEVER ~
STRIKE OR JAR A SENSOR. UNDER SOME CIRCUMSTANCES, IT COULD CAUSE DEPLOYMENT AND
RESULT IN PERSONAL INJURY OR IMPROPER OPERATION OF THE SUPPLEMENTAL RESTRAINT SYSTEM(
SRS
). ALL SENSOR AND MOUNTING BRACKET BOLTS MUST BE CAREFULLY TORQUED TO ASSURE
PROPER OPERATION. NEVER POWER UP THE SRS WHEN ANY SENSOR IS NOT RIGIDLY ATTACHED TO
VEHICLE, SINCE
THE SENSOR COULD BE ACTIVATED WHEN NOT ATTACHED AND COULD RESULT IN
DEPLOYMENT.
WARNING: PROPER OPERATION OF THE SENSORS AND SUPPLEMENTAL RESTRAINT SYSTEM( SRS)
REQUIRES
THAT ANY REPAIRS TO THE VEHICLE STRUCTURE RETURN IT TO ITS ORIGINAL PRODUCTION
CONFIGURATION.
DEPLOYMENT (CURRENT CODE 51 )OR ANY VISIBLE DAMAGE TO SENSOR AND/OR
THEIR MOUNTING BRACKETS REQUIRES REPLACEMENT, NOT REPAIR. PROPER OPERATION OF A
SENSOR ALSO REQUIRES THAT SENSOR BE RIGIDLY BOLTED TO THE VEHICLE STRUCTURE. THE ARROW
ON
THE SENSOR MUST BE POINTING TOWARD THE FRONT OF THE VEHICLE. FAILURE TO OBSERVE
THESE PRECAUTIONS CAN RESULT IN IMPROPER SRS OPERATION AND POSSIBLE LACK OF
SUPPLEMENTAL RESTRAINT PROTECTION FOR THE DRIVER AND PASSENGER DURING AN ACCIDENT
IMPACT.
All
sensors are specifically calibrated and are keyed to the sensor location and SRS wiring harness. Caution should
be used to ensure proper location of the sensors. The keying of the sensor to their locations and wiring harness
connectors
should never be modified in the filed.
REMOVAL
1. Disable the SRS. (Refer to "Disabling the SRS "
in this section.)
2. Remove front grille.
3. Remove Head lamp Assembly.
4. Remove receiver drier bracket fixing bolt.
5. Remove front end engine hood stay fixing bolts.
6. Remove harness clip.
7. Disconnect harness connector.
8. Remove forward sensor fixing bolts and forward
sensor
LH.
INSTALLATION
1. Install forward sensor LH and fixing bolts and
tighten to specified torque.
Torque:
30N·m(221b·ft.).
2. Connect harness connector.
3. Install harness clip.
4. Install front end engine hood stay fixing bolts.
5. Install condenser fixing bolts.
6. Install Head Lamp Assembly.
7. Install front grille.
8. Enable the SRS (Refer to "Enabling the SRS" in
this section.). ~
•

Supplemental Restraint System 9J-121
DISCRIMINATING SENSOR -FORWARD SENSOR RH
WARNING: DURING SERVICE PROCEDURES, BE VERY CAREFUL WHEN HANDLING A SENSOR. NEVER
STRIKE OR JAR A SENSOR. UNDER SOME CIRCUMSTANCES, IT COULD CAUSE DEPLOYMENT AND
RESULT IN PERSONAL INJURY OR IMPROPER OPERATION OF THE SUPPLEMENTAL RESTRAINT SYSTEM(
SRS ). ALL SENSOR AND MOUNTING BRACKET BOLTS MUST BE CAREIFULLY TORQUED TO ASSURE
PROPER OPERATION. NEVER POWER UP
THE SRS WHEN ANY SENSOR IS NOT RIGIDLY ATTACHED TO
VEHICLE, SINCE
THE SENSOR COULD BE ACTIVATED WHEN NOT ATTACHED AND COULD RESULT IN
DEPLOYMENT.
WARNING: PROPER OPERATION
OF THE SENSORS AND SUPPLEMENTAL RESTRAINT SYSTEM( SRS)
REQUIRES
THAT ANY REPAIRS TO THE VEHICLE STRUCTURE RETURN IT TO ITS ORIGINAL PRODUCTION
CONFIGURATION. DEPLOYMENT (CURRENT CODE
51 )OR ANY VISIBLE DAMAGE TO SENSOR AND/OR
THEIR
MOUNTING BRACKETS REQUIRES REPLACEMENT, NOT REPAIR. PROPER OPERATION OF A
SENSOR ALSO REQUIRES THAT SENSOR BE RIGIDLY BOLTED TO THE VEHICLE STRUCTURE. THE ARROW
ON
THE SENSOR MUST BE POINTING TOWARD THE FRONT OF THE VEHICLE. FAILURE TO OBSERVE
THESE PRECAUTIONS CAN RESULT IN IMPROPER SRS OPERATION AND POSSIBLE LACK OF
SUPPLEMENTAL RESTRAINT PROTECTION FOR THE DRIVER AND PASSEMGER DURING AN ACCIDENT
IMPACT.
All
sensors are specifically calibrated and are keyed to the sensor location and SRS wiring harness. Caution should
be used to ensure proper location of the sensors. The keying of the sensor to their locations and wiring harness
connectors
should never be modified in the filed.
REMOVAL
1. Disable the SRS. (Refer to "Disabling the SRS
"
in this section.)
2. Remove front grille.
3. Remove Head lamb Assembly.
4. Remove condenser fixing bolts.
5. Remove front end engine hood stay fixing
bolts.
6. Remove harness clip.
7. Disconnect harness connector.
8. Remove forward sensor fixing bolts and for­
ward sensor RH.
INSTALLATION
1. Install forward sensor RH and fixing bolts and
tighten to specified torque.
Torque: 30N·m{22 lb·ft.).
2. Connect harness connector.
3. Install harness clip.
4. Install front end engine hood stay fixing bolts.
5. Install condenser fixing bolts.
6. Install Head Lamb Assembly.
7. Install front grille.
8. Enable the SRS (Refer to "Enabling the SRS"
in this section.).

9J-122 Supplemental Restraint System
DUAL POLE ARMING SENSOR
WARNING: DURING SERVICE PROCEDURES, BE VERY CAREFUL WHEN HANDLING A SENSOR. NEVER ~
STRIKE OR JAR A SENSOR. UNDER SOME CIRCUMSTANCES, IT COULD CAUSE DEPLOYMENT AND
RESULT IN PERSONAL INJURY OR IMPROPER OPERATION OF THE SUPPLEMENTAL RESTRAINT SYSTEM(
SRS
). ALL SENSOR AND MOUNTING BRACKET BOLTS MUST BE CAREFULLY TORQUED TO ASSURE
PROPER OPERATION. NEVER POWER
UP THE SRS WHEN ANY SENSOR IS NOT RIGIDLY ATTACHED TO
VEHICLE, SINCE
THE SENSOR COULD BE ACTIVATED WHEN NOT ATTACHED AND COULD RESULT IN
DEPLOYMENT.
WARNING: PROPER OPERATION OF THE SENSORS AND SUPPLEMENTAL RESTRAINT SYSTEM( SRS)
REQUIRES
THAT ANY REPAIRS TO THE VEHICLE STRUCTURE RETURN IT TO ITS ORIGINAL PRODUCTION
CONFIGURATION.
DEPLOYMENT (CURRENT CODE 51 )OR ANY VISIBLE DAMAGE TO SENSOR AND/OR
THEIR MOUNTING
BRACKETS REQUIRES REPLACEMENT, NOT REPAIR. PROPER OPERATION OF A
SENSOR ALSO REQUIRES THAT SENSOR BE RIGIDLY BOLTED TO THE VEHICLE STRUCTURE. THE ARROW
ON
THE SENSOR MUST BE POINTING TOWARD THE FRONT OF THE VEHICLE. FAILURE TO OBSERVE
THESE PRECAUTIONS CAN RESULT IN IMPROPER SRS OPERATION AND POSSIBLE LACK OF
SUPPLEMENTAL RESTRAINT PROTECTION FOR THE DRIVER AND PASSENGER DURING AN ACCIDENT
IMPACT.
All
sensors are specifically calibrated and are keyed to the sensor location and SRS wiring harness. Caution should
be used to ensure proper location of the sensors. The keying of the sensor to their locations and wiring harness
connectors should never be modified
in the filed.
REMOVAL
1. Disable the SRS. (Refer to "Disabling the SRS "
in this section.).
2. Remove steering
cowl
3. Remove instrument panel cluster. ~
4. Remove meter assembly.
5. Remove the transmission knob(for Mff) and
transfer control knob.
6. Remove front console assembly and disconnect
the wiring harness connector.
7. Remove the knee bolster pad and engine hood
opening lever.
8. Remove the knee bolster reinforcement.
9. Remove glove box assembly.
10. Remove instrument lower cover.
11. Remove passenger side reinforcement
12. Remove dash side trim cover
LH
13. Remove dash side trim cover RH.
14. Remove front grill defroster.
15. Remove
Instrument panel assembly.
16. Disconnect
dual pole arming sensor connector.
17. Remove cross beam bracket.
18. Remove
dual pole arming sensor.
II

7. Driver knee bolster assembly (Fig.10-12)
• Remove 6 fixing nuts.
Fig.
10-12
8. Front defroster grille
•
To remove, prize 8 claws on the front side
toward your side (room side) and raise the
grille upward.
9. Instrument panel assembly
•
Remove 2 fixing bolts on the SRS adjust
bracket and the cross beam under the
passenger inflator module.
Caution:
• For precautions on installation or removal of
SRS -air bag system, refer to section 9J
"Supplemental Restraint System (SRS) -AIR
BAG".
Bolt
~
Nut Nut
~
Fig. 10-14
BODY 10-27
Fig. 10-13
•
Disconnect 3 air conditioner control cables on
the
unit side.
• Remove the instrument harness connectors (5
connectors on
driver side and 3 connectors
on passenger side), the passenger inflator
module connector, the radio antenna cable
plug,
and the ground cable fixing bolt on the
center bracket.
• Remove 4 bolts and 2 nuts under the
instrument panel assembly, and the upper left
and right bolts and the center nut. (Fig. 1 0-14)
Bolt
~
Bolt Nut

10-28 BODY
10. Passenger inflator module (Fig.10-15)
• From the back of instrument panel, remove 4
fixing nuts on the passenger inflator module
and 2 fixing nuts and washers on the support
bracket, then disengage 2 clips and remove
the passenger
inflator module.
Passenger inflator module
Fig. 10-15
11. Instrument panel cluster assembly (Fig.10-16)
• Remove . 5 fixing screws and pull the main
unit toward you and remove the clips at 4
positions. Disconnect the switch connectors.
,.-, I ) Clip position --~
t Screw position
Fig. 10-16
12. Meter assembly (Fig.10-17)
• Remove 4 fixing screws and disconnect the
meter harness connectors. Fig.
10-17
13. Control lever
assembly
• Refer to Section 1A "HEATING AND
VENTILATION" for Control Lever Assembly
removal procedure.
14. Radio antenna cable
15. Radio assembly
• Remove 4 fixing screws.
16.
Vent duct assembly
• Remove 5 fixing screws.
17.
Instrument harness assembly
• Remove 4 fixing screws, fasteners at 4 ~
positions and the clips at 7 positions.
18.
Side defroster grille
Note:
• Though removal of each item is described
above, any
order of removal steps is possible
when items of 12 through 18 are removed
from 11. Instrument panel assembly. Also, for
the order in which each item contained in 9.
Instrument panel assembly is removed
individually, refer to the table on the next
page.
I+•IINSTALLATION
To install, follow the removal steps in the reverse
order.
II

1(H;4 BODY
FUEL FILLER LID OPENER CABLE
2
1
8 8
Chassis harness
DETAIL D
-To lever
Cable
rking
p
~C~~C~~C~~Todooc r
Removal steps 1. Front seat (RH)
2. Rear door sill plate (RH)(L·W·B)
3. Center pillar lower trim cover (L·W.B)
4. Rear end floor trim cover
1••1 REMOVAL
Preparation: Battery ground cable
1. Front seat (RHl
2. Rear door sill plate (RH) (l·W·Bl
5. Luggage side trim panel (RH) 6. Fuel filler lid opener
7. Center console assembly 8. Fuel filler lid opener cable
Fig. 10-125
3. Center pillar lower trim cover (l·W·Bl
4. Rear end floor trim panel
5. Luggage side trim panel (RHl
• Refer to "INTERIOR TRIM PANELS" in this
section.
6.
Fuel filler lid opener (Fig. 10-126)
•
Remove opener 2 fixing screws and discon­
nect the
cable.
7. Center console assembly
8. Fuel filler lid opener cable
• Roll
up the floor carpet and remove the clips
of the chassis harness and body panel to pull
out the cable toward the fuel filler lid.
DETAIL C
~Chassis harness
/~ ~
DETAIL A DETAIL B
Installation steps To install, follow the removal steps in the reverse order.
Fig. 10-126

BODY 10-111
ROOF
HEADLINING
~---~~I
~r CUp ''-. _ __j
5 1 Adh.,;,;, tap• . T
1
W /0 sun roof 2
Sunvisor
holder 5
Removal steps 1. Interior trim panels 2. Dome light 3. Rear view mirror 4. Map light 5. Sunvisors 6. Sun roof finisher (W/Sun roof) 7. Headlining W/Sun
roof
Installation steps To install, follow the removal steps
in the reverse order. 6
Fig. 10-230
1••1 REMOVAL
Preparation: Battery ground cable
1. Interior trim panels
•
Refer to "INTERIOR TRIM PANELS" in this
section.
2. Dome light
• Remove dome light lens and fixing screws.
• Disconnect the dome light connectors.
3. Rear view mirror (Fig. 10-231)
• Turn the stopper rubber counterclockwise
and remove
it (Fig. 10-235).
• Press the mirror stay toward the front of the
vehicle.
•
Remove the mirror base.
4. Map light/Sun roof switch (Fig. 10-232)
• Pry the map light clip free from the map
light/sun roof switch bracket and disconnect
the connector.