Isuzu KB P190. Manual — part 1495

11B-26 ANTITHEFT SYSTEM

lmportant information on Programming

Security code

The security code protects the antitheft control unit
against unauthorized programming and data access
from Tech-2. The security code consists of a 4 digit
code number and is programmed into the antitheft
Control Module (ACU).

New control units are not programmed with a security
code.

If the control units are replaced, the security code
entered in the transmitter (into remote key).

Must be programmed into the new control unit with
Tech-2.

The security code can only be programmed with Tech-2
once and must therefore be performed with great care.

Once programmed, the security code cannot be
overwritten. An already used antitheft can be reused in
a different car by initializing the antitheft. After that you
can program the security code again. For initializing
command you need the current security code.

If the antitheft control unit is returned, always enclosed
the security code that is allocated to that control unit. If
this is not done, we can not process the case and the
warranty will not be recognized.

Entering a code

If the Tech-2 display requests that the
• security

code

• Vehicle Identification No.
• Country code (Select 213 Germany in all items)
be entered, process as follows;

To input a digit you need to use the up and down
buttons of the Tech-2. By using the numeric buttons the
according digit will be displayed at the current position
and the cursor will move to the next position.

For letters you need to use the up and down buttons of
the Tech-2. The up and down key might be used for
digits as well. By using the up and down buttons the
displayed digit or letter will be increased or decreased.

To move to the next position you need to use the move-
to-right-button.

With the two buttons, move-to-right and move-to-left
you can select the position of number you want to
change.

This will allow you to correct a wrong number.

After the number is completed you need to press the
Enter button to accept the number. Correction is now no
longer possible.

Use the OKAY soft key to program the number and the
NOT OKAY soft key to abort the programming.

ANTITHEFT SYSTEM 11B-27

Tech-2 Scan Tool

Operating Procedure

The power up screen is displayed when you power up
the tester with the Isuzu systems PCMCIA card.

Follow the operating procedure below.

060R100102

RAW4B0LH000101

11B-28 ANTITHEFT SYSTEM

Menu

The following table shows which functions are used for
the available equipment versions.

F0: Diagnostic Trouble Codes

F0: Read DTC Info Ordered By Priority

F1: Read DTC Info As Stored By ECU

F2: Clear DTC Information

F3: Read Alarm Codes

F1: Data Display
F2: Snap Shot
F3: Actuator Test

F0: Unlock/Lock Test

F1: Arm/Disarm Signal Test

F2: Horn Signal Test

F3: Turn Signal Test

F4: Theft LED Test

F4: Programming

F0: Erase Remote Keys

F1: Program Remote Keys

F2: Program Anti Theft Warning

F3: Program Country Code

F4: Program Vehicle Options

NOTE: Before going to programming process, Tech-2
indicates instruction as follows.

060R200289

DTC

On OBD has two options available in the Tech 2 DTC
mode to display the enhanced information available.

• Read DTC Info Ordered By Priority
• Read DTC Info As Stored By ECU

Clear DTC Information

To clear Diagnostic Trouble Codes (DTCs), use the
diagnostic scan tool "clear DTC information" function.

Tech-2 Data Display

Use the Tech 2 Data Values only after the On-Board
Diagnostic System Check has been completed, no
DTC(s) were noted, and you have determined that the
on-board diagnostics are functioning properly.

The Tech 2 data values represent values that would be
seen on a normally-immobilizer system.

Actuator Test

The actuator tests are used to check abnormalities in
the antitheft control system.

The actuators are operated by the ECU based on the
Tech-2 command signal.

Observe the actuators to check abnormalities in the
antitheft system.

Unlock/Lock Test

The unlock/lock test is used to check abnormalities in
the door lock control system.

1. Select “Body” and “Antitheft”.

2. Select ”Actuator Test” and “Unlock/Lock Test”.

3. Observe the door lock function.

4. Press the lock bottom.

5. Press the unlock bottom.

060R200279

ANTITHEFT SYSTEM 11B-29

Arm/Disarm Signal Test

Arm/Disarm signal test is used to check abnormalities
in arm/disarm signal circuit.

1. Select “Body” and “Antitheft”.

2. Select “Actuator Test” and “Arm/Disarm Signal

Test”.

3. Observe the data list.

4. Insert the key into door key cylinder.

5. Remove the key into door key cylinder.

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Horn Signal Test

Horn signal test is used to check abnormalities in horn
signal circuit.

1. Select “Body” and “Antitheft”.

2. Select “Actuator Test” and “Horn Signal Test”.

3. Observe the alarm sound.

4. Push “active bottom”.

5. Check the alarm sound function.

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Turn Signal Test

Turn signal test is used to check abnormalities in turn
signal circuit.

1. Select “Body” and “Antitheft”.

2. Select “Actuator Test” and “Turn Signal Test”.

3. Observe the flasher lamp.

4. Push “active bottom”.

5. Check the flasher lamp function.

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Theft LED Test

Theft LED test is used to check abnormalities in theft
LED signal circuit.

1. Select “Body” and “Antitheft”.

2. Select “Actuator Test” and “Turn Signal Test”.

3. Observe the antitheft LED.

4. Push “active bottom”.

5. Check the antitheft function.

RAW4B0SH000501