ISUZU KB P190 2007 Workshop Repair Manual

11A-40 IMMOBILIZER CONTROL SYSTEM (4JK1/4JJ1/HFV6)
3. Select Diagnostics > Appropriate vehicleidentification > Body > Immobilizer > Additional
Functions > Reset Engine Control Module. (4JK1/
4JJ1)
Select Diagnostics > Appropriate vehicle
identification > Engine > V6 Engine >
Programming > Reset ECU. (HFV6)
4. The on-screen may display a message "See Checking Procedure Before Programming!", then
press Confirm.
5. Input four digits of correct security code that belongs to this vehicle and follow the on-screen
instructions.
Notice: An incorrect security code input causes a
security wait time.
6. The on-screen displays a message "Warning! Engine will not start after Reset!", then press
Reset.
7. The on-screen displays a message "Reset Successfully!" if ECM resetting has been
completed, then press Confirm.
8. Turn OFF the ignition for 30 seconds.
9. Verify the engine fails to run using all transponder key(s).
ECM Programming Procedure
1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Program Immobilizer Function or Immobilizer
Link To ECM/ PIM.
4. In order to get a programming approval, the on- screen displays a message to user. Get
programming approval from the TIS 2000 using
the following procedure:
a. Connect a scan tool to the terminal that installed TIS 2000 with the latest software and
the hardware key is plugged into port.
b. Turn ON the scan tool and keep at title screen.
c. Launch the TIS application.
d. Select the Security Access at the main screen.
e. Highlight "Tech 2" on the Diagnostic Tool Selection screen and click "Next".
f. Click "Close" on the Security Access Enabled screen.
g. Turn OFF the scan tool.
h. Disconnect the scan tool from the terminal.
5. Reinstall a scan tool to the vehicle.
6. Turn ON the ignition, with the engine OFF.
7. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Program Immobilizer Function or Immobilizer
Link To ECM/ PIM. 8. The on-screen may display a message "See
Checking Procedure Before Programming!", then
press Confirm.
9. Select "Imoobilizer Replaced" No and select "PIM or ECM Replaced" Yes, if displayed.
10. Input four digits of correct security code that belongs to this vehicle and follow the on-screen
instructions. The on-screen instruction may repeat
twice.
Notice: An incorrect security code input causes a
security wait time.
11. Select "Engine Controller Installed" or select "ECM Replaced".
12. Operate the ignition switch by following the on- screen instructions.
13. The on-screen displays a message "Programming Successfully!" if ECM programming has been
completed, then press Confirm.
14. Turn OFF the ignition for 30 seconds.
15. Verify the engine starts using all transponder key(s).
PIM Resetting Procedure
1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Select Diagnostics > Appropriate vehicle identification > Body > Powertrain Interface
Module > Security > Reset PIM.
4. Input four digits of correct security code that belongs to this vehicle and follow the on-screen
instructions.
Notice: An incorrect security code input causes a
security wait time.
5. The on-screen displays a message "Warning! Engine will not start after Reset!", then press
Reset.
6. The on-screen displays a message "Reset Completed Successfully!" if PIM resetting has
been completed, then press Confirm.
7. Turn OFF the ignition for 30 seconds.
PIM Programming Procedure
1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Immobilizer Link To ECM/ PIM.
4. In order to get a programming approval, the onscreen displays a message to user. Get
programming approval from the TIS 2000 using
the following procedure:

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ISUZU KB P190 2007

IMMOBILIZER CONTROL SYSTEM (4JK1/4JJ1/HFV6) 11A-41
a. Connect a scan tool to the terminal thatinstalled TIS 2000 with the latest software and
the hardware key is plugged into port.
b. Turn ON the scan tool and keep at title screen.
c. Launch the TIS application.
d. Select the Security Access at the main screen.
e. Highlight "Tech 2" on the Diagnostic Tool Selection screen and click "Next".
f. Click "Close" on the Security Access Enabled screen.
g. Turn OFF the scan tool.
h. Disconnect the scan tool from the terminal.
5. Reinstall a scan tool to the vehicle.
6. Turn ON the ignition, with the engine OFF.
7. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Immobilizer Link To ECM/ PIM.
8. Select "Immobilizer Replaced" No and select "PIM or ECM Replaced" Yes.
9. Input four digits of correct security code that belongs to this vehicle and follow the on-screen
instructions. The on-screen instruction repeats
twice.
Notice: An incorrect security code input causes a
security wait time.
10. Select "PIM Replaced". 11. Operate the ignition switch by following the on- screen instructions.
12. The on-screen displays a message "Programming Successfully!" if PIM programming has been
completed, the press Confirm.
ICU & PIM Programming Procedure
1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Immobilizer Link To ECM/ PIM.
4. In order to get a programming approval, the onscreen displays a message to user. Get
programming approval from the TIS 2000 using
the following procedure:
a. Connect a scan tool to the terminal that installed TIS 2000 with the latest software and
the hardware key is plugged into port.
b. Turn ON the scan tool and keep at title screen.
c. Launch the TIS application.
d. Select the Security Access at the main screen.
e. Highlight "Tech 2" on the Diagnostic Tool Selection screen and click "Next".
f. Click "Close" on the Security Access Enabled screen. g. Turn OFF the scan tool.
h. Disconnect the scan tool from the terminal.
5. Reinstall a scan tool to the vehicle.
6. Turn ON the ignition, with the engine OFF.
7. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Immobilizer Link To ECM/ PIM.
8. Select "Immobilizer Replaced" Yes and select "PIM or ECM Replaced" Yes.
9. Input four digits of correct security code that belongs to this vehicle and follow the on-screen
instructions. The on-screen instruction repeats
twice.
Notice: An incorrect security code input causes a
security wait time.
10. Select "PIM Replaced". 11. Input 17 digits of correct VIN that is based on stamped VIN or affixed VIN plate on this vehicle.
12. Operate the ignition switch by following the onscreen instructions.
Notice: Keep away another key, another transponder
key, key number plate or other metal items from the
transponder key that is going to program.
13. The on-screen displays a message "Program more Transponder Keys?" If all transponder key(s) has
been programmed, press No and go to next step. If
more transponder key(s) need to be programmed,
press Yes and repeat from previous step.
14. The on-screen displays a message "Programming Successfully!" if ICU, PIM and all transponder
key(s) programming has been completed, the
press Confirm.
15. Turn OFF the ignition for 30 seconds.
16. Verify the engine starts using all programmed transponder key(s).
ECM & PIM Programming Procedure
1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Immobilizer Link To ECM/ PIM.
4. In order to get a programming approval, the onscreen displays a message to user. Get
programming approval from the TIS 2000 using
the following procedure:
a. Connect a scan tool to the terminal that installed TIS 2000 with the latest software and
the hardware key is plugged into port.
b. Turn ON the scan tool and keep at title screen.
c. Launch the TIS application.
d. Select the Security Access at the main screen.

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ISUZU KB P190 2007

11A-42 IMMOBILIZER CONTROL SYSTEM (4JK1/4JJ1/HFV6)
e. Highlight "Tech 2" on the Diagnostic ToolSelection screen and click "Next".
f. Click "Close" on the Security Access Enabled screen.
g. Turn OFF the scan tool.
h. Disconnect the scan tool from the terminal.
5. Reinstall a scan tool to the vehicle.
6. Turn ON the ignition, with the engine OFF.
7. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Immobilizer Link To ECM/ PIM.
8. Select "Immobilizer Replaced" No and select "PIM or ECM Replaced" Yes.
9. Input four digits of correct security code that belongs to this vehicle and follow the on-screen
instructions. The on-screen instruction repeats
twice.
Notice: An incorrect security code input causes a
security wait time.
10. Select "PIM and ECM Replaced". 11. Operate the ignition switch by following the on- screen instructions.
12. The on-screen displays a message "Programming Successfully!" if ECM and PIM programming has
been completed, the press Confirm.
ICU & ECM Programming Procedure
1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Program Immobilizer Function or Immobilizer
Link To ECM/ PIM.
4. In order to get a programming approval, the on- screen displays a message to user. Get
programming approval from the TIS 2000 using
the following procedure:
a. Connect a scan tool to the terminal that installed TIS 2000 with the latest software and
the hardware key is plugged into port.
b. Turn ON the scan tool and keep at title screen.
c. Launch the TIS application.
d. Select the Security Access at the main screen.
e. Highlight "Tech 2" on the Diagnostic Tool Selection screen and click "Next".
f. Click "Close" on the Security Access Enabled screen.
g. Turn OFF the scan tool.
h. Disconnect the scan tool from the terminal.
5. Reinstall a scan tool to the vehicle.
6. Turn ON the ignition, with the engine OFF. 7. Select Diagnostics > Appropriate vehicle
identification > Body > Immobilizer > Programming
> Program Immobilizer Function or Immobilizer
Link To ECM/ PIM.
8. The on-screen may display a message "See Checking Procedure Before Programming!", then
press Confirm.
9. Select "Immobilizer and ECM Installed" or select "Immobilizer Replaced" Yes.
10. Select "PIM or ECM Replaced" Yes, if displayed. 11. Input four digits of correct security code that belongs to this vehicle and follow the on-screen
instructions. The on-screen instruction repeats
twice.
Notice: An incorrect security code input causes a
security wait time.
12. Select "ECM Replaced" if displayed.
13. Input 17 digits of correct VIN that is based on stamped VIN or affixed VIN plate on this vehicle.
14. Operate the ignition switch by following the on- screen instructions.
Notice: Keep away another key, another transponder
key, key number plate or other metal items from the
transponder key that is going to program.
15. The on-screen displays a message "Program more Transponder Keys?" If all transponder key(s) has
been programmed, press No and go to next step. If
more transponder key(s) need to be programmed,
press Yes and repeat from previous step.
16. The on-screen displays a message "Programming Successfully!" if ICU, ECM and all transponder
key(s) programming has been completed, then
press Confirm.
17. Turn OFF the ignition for 30 seconds.
18. Verify the engine starts using all programmed transponder key(s).
ICU, ECM & PIM Programming Procedure
1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Immobilizer Link To ECM/ PIM.
4. In order to get a programming approval, the onscreen displays a message to user. Get
programming approval from the TIS 2000 using
the following procedure:
a. Connect a scan tool to the terminal that installed TIS 2000 with the latest software and
the hardware key is plugged into port.
b. Turn ON the scan tool and keep at title screen.
c. Launch the TIS application.
d. Select the Security Access at the main screen.

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ISUZU KB P190 2007

IMMOBILIZER CONTROL SYSTEM (4JK1/4JJ1/HFV6) 11A-43
e. Highlight "Tech 2" on the Diagnostic ToolSelection screen and click "Next".
f. Click "Close" on the Security Access Enabled screen.
g. Turn OFF the scan tool.
h. Disconnect the scan tool from the terminal.
5. Reinstall a scan tool to the vehicle.
6. Turn ON the ignition, with the engine OFF.
7. Select Diagnostics > Appropriate vehicle identification > Body > Immobilizer > Programming
> Immobilizer Link To ECM/ PIM.
8. Select "Immobilizer Replaced" Yes and select "PIM or ECM Replaced" Yes.
9. Input four digits of correct security code that belongs to this vehicle and follow the on-screen
instructions. The on-screen instruction repeats
twice.
Notice: An incorrect security code input causes a
security wait time.
10. Select "PIM and ECM Replaced". 11. Input 17 digits of correct VIN that is based on stamped VIN or affixed VIN plate on this vehicle.
12. Operate the ignition switch by following the onscreen instructions.
Notice: Keep away another key, another transponder
key, key number plate or other metal items from the
transponder key that is going to program.
13. The on-screen displays a message "Program more Transponder Keys?" If all transponder key(s) has
been programmed, press No and go to next step. If
more transponder key(s) need to be programmed,
press Yes and repeat from previous step.
14. The on-screen displays a message "Programming Successfully!" if ICU, ECM, PIM and all
transponder key(s) programming has been
completed, the press Confirm.
15. Turn OFF the ignition for 30 seconds.
16. Verify the engine starts using all programmed transponder key(s).

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ISUZU KB P190 2007

11A-44 IMMOBILIZER CONTROL SYSTEM (4JK1/4JJ1/HFV6)
Repair Instructions
Immobilizer Control Unit (ICU)
Replacement
Resetting ICU
Reset immobilizer security information in the old ICU.
Refer to Resetting and Programming Guidelines in this
section. If the old ICU cannot be communicated with a
scan tool, go to the next procedure.
Removal Procedure 1. Disconnect the negative battery cable.
2. Remove the steering column cover.
3. Disconnect the ICU harness connector.
4. Loose screws (1) and remove the ICU (2) from the steering lock(3).
Installation Procedure 1. Install the ICU (2) to the steering lock (3) and tighten screws (1).
2. Connect the ICU harness connector.
3. Install the steering column cover.
4. Connect the negative battery cable.
Programming ICU
Program immobilizer security information into the ICU.
Refer to Resetting and Programming Guidelines in this
section.
RTW7BASH000301
3
2
1

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ISUZU KB P190 2007

IMMOBILIZER CONTROL SYSTEM (4JK1/4JJ1/HFV6) 11A-45
Description and Operation
Immobilizer System Description
Legend1. Transponder key
2. ICU
3. Controller area network (CAN) communication bus lines 4. Anti-theft control unit (with anti-theft system)
5. Engine control module (ECM) (4JK1/ 4JJ1)
6. Powertrain interface module (PIM)
7. Engine control module (ECM) (HFV6)

The immobilizer controls engine starting along with the
engine control module (ECM). The main system
components are the ICU, the ECM, the PIM (HFV6)
and the transponder key. The immobilizer system is
activated (immobilized) by an incorrectly programmed
or non-programmed transponder key, the ICU or the
ECM. While this system is activated, the ECM controls
the fuel injection system and starter cut relay in order to
fail to engine running. A typical engine starting
sequence is below.
1. When the ignition switch is ON, the ICU begins authentication of the transponder key in the
steering lock. The ICU transmits a specific request
signal to the transponder key and the transponder
key sends back a response signal to the ICU. Both
communication signals are carried out via antenna
coil.
2. Because the anti-theft system alarms if a key or other methods unlock the door, when the
transponder key is correctly authenticated the ICU
transmits an alarm cancel (disarm) signal to the
anti-theft control unit. (With anti-theft system)
3. After the transponder key authentication is completed, the ICU begins authentication of the
ECM. The ECM transmits a specific request signal
to the ICU and the ICU sends back a response
signal to the ECM. Both communication signals
are carried out via a controller area network (CAN)
communication bus. 4. After the ECM authentication is completed, the
ECM enables engine running.
Immobilizer System Componenet
Description
Immobilizer Control Unit (ICU)
RTW7BASH000101

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ISUZU KB P190 2007

11A-46 IMMOBILIZER CONTROL SYSTEM (4JK1/4JJ1/HFV6)
The ICU is installed to the steering lock. The ICU
controls the immobilizer system by authentication of the
transponder key and the ECM. An antenna coil is a part
of the ICU and it is located around steering key lock
cylinder. An antenna coil is energized when the ICU is
performing an authentication of the transponder key.
Engine Control Module (ECM)
Legend 1. ECM (4JK1/ 4JJ1)
2. ECM (HFV6)

The ECM is located inside of engine compartment via
mounting bracket and is behind air cleaner case (4JK1/
4JJ1) or attached to the engine (HFV6). The ECM
mainly controls the engine control and also exchanges
a request signal and a response signal to an ICU. If
fault occurs on immobilizer system, the ECM sets
DTC(s) and illuminates the service vehicle soon (SVS)
lamp or the malfunction indicator lamp (MIL). Powertrain Interface Module (PIM)
The PIM is located behind the driver’s side lower hinge
pillar trim. The PIM acts as the communication gateway
between the CAN communication protocol and other
protocol. The PIM converts analog signals from some
switches into serial data. The PIM upon inputs received
from the ECM, TCM and ICU controls the operation of
instruments and indicator lamps. (HFV6)
Transponder Key
Legend 1. Transponder chip

The transponder key accommodates a transponder
chip in the grip portion. The transponder keys have no
conventional power supply. The transponder chip is
energized via a radio wave supplied from an antenna
coil fitted around the steering lock cylinder. Only
transponder key that is correctly programmed key is
possible to engine run. Maximum five transponder keys
can be provided by additional programming.
RTW7BASH000201
1

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ISUZU KB P190 2007

IMMOBILIZER CONTROL SYSTEM (4JK1/4JJ1/HFV6) 11A-47
Special Tools and Equipment
Special Tools and Equipment
IllustrationTool Number/ Description
5-8840-2835-0 (J-35616-C) Connector Test Adapter Kit (With Test Lamp)
5-8840-0285-0 (J-39200) Digital Multimeter
Te c h 2 K i t
CAN-di Module
5884028350
5884002850
AAW0Z0SH015701
1851110030

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ISUZU KB P190 2007

IMMOBILIZER SYSTEM (C24SE, 4JA1-T) 11A-1

IMMOBILIZER SYSTEM
(C24SE, 4JA1-T)
CONTENTS

Service Precaution .................................................. 11A-2
General Description ................................................ 11A-3
W hat happens without proper transponder
operation? ........................................................... 11A-5
No proper transponder is available, what
should be done for the system? ...................... 11A-5
Caution to the operation ..................................... 11A-5
Summary of operation ......................................... 11A-5
W hat your organization should provide for
your customer .................................................... 11A-5
Car Pass .............................................................. 11A-5
Security code management .............................. 11A-5
Essential tool (Scan tool : Tech-2) .................. 11A-5
Circuit Diagram .................................................. 11A-6
Parts Location .......................................................... 11A-8
Immobilizer control unit (ICU); For Electronic
Control Engine (C24SE) .................................... 11A-9
Pin-outs; For Electronic Control Engine
(C24SE) ............................................................... 11A-10
Immobilizer control unit (ICU); Mechanical
Control Engine (4JA1-T) ...................................11A-11
Immobilizer coil (Antenna) ....................................11A-13
Transponder (Key) ............................................11A-13
Check engine lamp ...........................................11A-13
Engine control module (ECM) ...........................11A-13
Car Pass Card ...................................................11A-14 Loss of car pass card .......................................... 11A-14
Instructions on Filling Out the form "Data
request, car pass" ............................................. 11A-14
Important Instructions ........................................ 11A-15
lmportant information on Programming ..............11A-17
Security code ....................................................... 11A-17
Entering a code ................................................... 11A-17
Transponder (Key) ............................................. 11A-17
Tech-2 Scan Tool .................................................. 11A-18
Operating Procedure .......................................... 11A-18
Menu .................................................................... 11A-19
DTC ...................................................................... 11A-19
Clear DTC Information ......................................11A-19
Tech-2 Data Display .......................................... 11A-19
Check Vehicle Identification Number (VIN) ....11A-19
Reset Immobilizer (Reset Immobilizer
Control Unit) ....................................................... 11A-19
Reset Engine Control Module (Reset ECM) ..11A-20
Erase transponder key ......................................11A-20
Programming Immobilizer Function ................11A-21
Programming ICU .............................................. 11A-22
Programming ECM ............................................ 11A-23
Programming ICU and ECM .............................11A-24
Transponder program ........................................ 11A-24
Data List .............................................................. 11A-26
Diagnostic procedure ............................................ 11A-27
Clearing Diagnostic Trouble Codes ....................11A-27
Verifying Vehicle Repair .......................................11A-27
Diagnostic Aids ...................................................... 11A-27
Check the condition for system parts ..............11A-27
Check the Electro-Magnetic Interference
(EMI) ................................................................... 11A-27
Check the other items .......................................11A-27
Check the operation ........................................... 11A-27
Diagnostic Trouble Code (DTC) list ....................11A-28
IMMOBILIZER SYSTEM CHECK .......................11A-30
NO IMMOBILIZER W ARNING LAMP ................11A-32
CHECK IMMOBILIZER W ARNING LAMP O
STEADY ................................................................ 11A-33
B0001 REPLACE ELECTRONIC CONTROL
UNIT (ECU) (IMMOBILIZER FAULT) ................11A-34
B0002 IMMOBILIZER NOT PROGRAMMED ...11A-35
B0003 TRANSPONDER KEY PROBLEM .........11A-36
B0004 IMMOBILIZER COIL CIRCUIT
(ANTENNA COIL FAULT) ...................................11A-38
B0005 COMMUNICATION LINE W VOLTAGE
LOW ....................................................................... 11A-39
B0006 COMMUNICATION LINE W VOLTAGE
HIGH ...................................................................... 11A-40
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ISUZU KB P190 2007

11A-2 IMMOBILIZER SYSTEM (C24SE, 4JA1-T)
B0007 NO ENGINE REQUEST RECEIVED ......11A-41
B0008 W RONG TRANSPONDER KEY .............11A-43
B0009 NO TRANSPONDER KEY
PROGRAMMED ................................................... 11A-44
B0010 UNKNOW N TRANSPONDER KEY ........11A-45
B0011 TRANSPONDER KEY PROBLEM
(Only 4JA1-T Engine) .......................................11A-46
B0012 W RONG TRANSPONDER KEY
(Only 4JA1-T Engine) .......................................11A-48
B0013 IMMOBILIZER NOT PROGRAMMED
(Only 4JA1-T Engine) .......................................11A-49
B0014 NO TRANSPONDER KEY
PROGRAMMED (Only 4JA1-T Engine) ...........11A-50
B0015 FREQUENCY SIGNAL LOW
(Only 4JA1-T Engine) ........................................11A-51
B0016 FREQUENCY SIGNAL HIGH
(Only 4JA1-T Engine) .......................................11A-52
B0023 IMMOBILIZER COIL CIRCUIT
(ANTENNA COIL FAULT)
(Only 4JA1-T Engine) ....................................... 11A-53
B0024 W RONG TRANSPONDER KEY
(Only 4JA1-T Engne) ........................................ 11A-54
B0055 EEPROM ERROR ................................. 11A-55
Special Tool ............................................................ 11A-56

Service Precaution
WARNING: THIS VEHICLE HAS A SUPPLEMENTAL
RESTRAINT SYSTEM (SRS). REFER TO THE SRS
COMPONENT AND WIRING LOCATION VIEW IN
ORDER TO DETERMINE WHETHER YOU ARE
PERFORMING SERVICE ON OR NEAR THE SRS
COMPONENTS OR THE SRS WIRING. WHEN YOU
ARE PERFORMING SERVICE ON OR NEAR THE
SRS COMPONENTS OR THE SRS WIRING, REFER
TO THE SRS SERVICE INFORMATION. FAILURE TO
FOLLOW WARNINGS COULD RESULT IN
POSSIBLE AIR BAG DEPLOYMENT, PERSONAL
INJURY, OR OTHERWISE UNNEEDED SRS SYSTEM
REPAIRS.


CAUTION: Always use the correct fastener in the
proper location. When you replace a fastener, use
ONLY the exact part number for that application.
ISUZU will call out those fasteners that require a
replacement after removal. ISUZU will also call out
the fasteners that require thread lockers or thread
sealant. UNLESS OTHERWISE SPECIFIED, do not
use supplemental coatings (Paints, greases, o
r
other corrosion inhibitors) on threaded fasteners or
fastener joint interfaces. Generally, such coatings
adversely affect the fastener torque and the joint
clamping force, and may damage the fastener.
When you install fasteners, use the correct
tightening sequence and specifications. Following
these instructions can help you avoid damage to
parts and systems.
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ISUZU KB P190 2007