Isuzu KB P190. Manual — part 1479

11A-18 IMMOBILIZER SYSTEM (C24SE, 4JA1-T)

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

LTW3BALH000101

IMMOBILIZER SYSTEM (C24SE, 4JA1-T) 11A-19

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

F1: Data Display
F2: Snap Shot
F3: Additional Function

F0: Read ECU Identification

F1: Reset Immobilizer

F2: Reset Engine Control Module

F3: Erase Transponder-Keys

F4: Programming

F0: Program Immobilizer Function

F1: Program Transponder-Keys

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.

Check Vehicle Identification Number (VIN)

1. Select "Body" and "Immobilizer".

2. Select "Additional Function" and "Read ECU

Identification".

3. Shows up VIN on tech-2 display.

Reset Immobilizer (Reset Immobilizer
Control Unit)

1. Select "Body" and "Immobilizer".

2. Select "Additional Function" and "Reset

Immobilizer".

3. Enter the security code and press Confirm.

4. Reset Immobilizer screen shows up with warning.

See the following screen.

060R200279

11A-20 IMMOBILIZER SYSTEM (C24SE, 4JA1-T)

5. When reset is completed, the following screen

shows up.

060R200278

Reset Engine Control Module (Reset ECM)

1. Select "Body" and "Immobilizer".

2. Select "Additional Function" and "Reset Engine

Control Module".

3. The following screen shows up.

060R200289

4. Confirm the following screen shows up.

5. Input the security code, then press the soft key of

"Not Okay" or "Okay".

6. The following screen shows up.

7. Programming is completed.

060R200278

8. When the procedure is completed waits 10

seconds and then turn the Key on.

The fail lamp begins to flash.

9. Turn the ignition on, then engine dose not run.

10. Reset is completed.

Erase transponder key

1. Select "Body" and "Immobilizer".

2.

Select "Additional Function” and "Erase

Transponder-Keys".

3. See immobilizer status on Tech-2 screen and type

security code. If the status dose not allow the

programming, only immobilizer status is displayed.

4. See illustration of caution.

IMMOBILIZER SYSTEM (C24SE, 4JA1-T) 11A-21

•••• CAUTION

060R200286

•••• Erase

060R200285

4. See programming result on display.

Programming Immobilizer Function

Caution:

1) Do not replace ICU and ECM at the same time

2) Change ICU at first or ECM and other one

change follows.

1. Select "Body" and "immobilizer".

2. Select "Programming" on Tech-2 display.

3. Check the display, then press the "Confirm" key.

LTW3BASH000401

4. Install the "Hardware Key" on PC.

5. Connect RS232 cable to the PC and Tech2.

6. Turn on the PC, then start software "TIS 2000".

7. Select "Security Access" in the TIS 2000 screen.