Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 755

6E–44

TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS

Tech 2 Features

1. Tech 2 is a 12 volt system. Do not apply 24 volts.
2. After connecting and/or installing the Vehicle

Communications Interface (VCI) module, PCMCIA
card and DLC connector to the Tech 2, connect the
tool to the vehicle DLC.

3. Make sure the Tech 2 is OFF when removing or

installing the PCMCIA card.

4. The PCMCIA card has a capacity of 10 Megabytes

which is 10 times greater than the memory of the Tech
1 Mass Storage Cartridge.

5. The Tech 2 has the capability of two snapshots.
6. The PCMCIA card is sensitive to magnetism and

static electricity, so care should be taken in the
handling of the card.

7. The Tech 2 can plot a graph when replaying a

snapshot.

8. Always return to the Main Menu by pressing the EXIT

key several times before shutting down.

9. To clear Diagnostic Trouble Codes (DTCs), open

Application Menu and press “F1: Clear DTC Info”.

Getting Started

D

Before operating the Isuzu PCMCIA card with the
Tech 2, the following steps must be performed:

1. Insert the Isuzu system PCMCIA card (1) into the

Tech 2 (5).

2. Connect the SAE 16/19 adapter (3) to the DLC cable

(4).

3. Connect the DLC cable to the Tech 2 (5)
4. Make sure the vehicle ignition is off.
5. Connect the Tech 2 SAE 16/19 adapter to the vehicle

DLC.

821RW021

6. Turn on the vehicle ignition.

7. Power the Tech 2 ON and verify the Tech 2 power up

display.

060RW009

NOTE: The RS232 Loop back connector is only to use for
diagnosis of Tech 2. Refer to user guide of the Tech 2.

6E–45

TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS

Operating Procedure (For Example)

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

060R100102

060R200202

6E–46

TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS

Menu

D

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

060R100018

DTC Modes

060R100077

On OBD II vehicles there are options available in Tech 2
DTC mode to display the enhanced information available.
After selecting DTC, the following menu appears:

1. Read DTC Info by Priority
2. Freeze Frame
3. Fail Records (not all applications)
4. DTC Info
5. Clear Info

060RW223

The following is a brief description of each of the sub
menus in DTC Info and DTC.  The order in which they
appear here is alphabetical and not necessarily the way
they will appear on the Tech 2.

DTC Information Mode

Use the DTC info mode to search for a specific type of
stored DTC information.

DTC Status
This selection will display any DTCs that have not run
during the current ignition cycle or have reported a test
failure during this ignition up to DTCs.  DTC tests which
run and pass will cause that DTC number to be removed
from Tech 2 screen.

Fail This Ignition
This selection will display all DTCs that have failed during
the present ignition cycle.

History
This selection will display only DTCs that are stored in the
PCM’s history memory.  It will display all type A and B
DTCs that have requested the MIL and have failed within
the last 40 warm-up cycles.  In addition, it will display all
type C and type D DTCs that have failed within the last 40
warm-up cycles.

Last Test Failed
This selection will display only DTCs that have failed the
last time the test run.  The last test may have run during a
previous ignition cycle if a type A or type B DTC is
displayed.  For type C and type D DTCs, the last failure
must have occurred during the current ignition cycle to
appear as Last Test Fail.

MILSVC or Message Request
This selection will display only DTCs that are requesting
the MIL.  Type C and type D DTCs cannot be displayed
using this option.  This selection will report type B DTCs
only after the MIL has been requested.

6E–47

TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS

Not Run Since Code Cleared
This option will display up to DTCs that have not run since
the DTCs were last cleared.  Since any displayed DTCs
have not run, their condition (passing or failing) is
unknown.

Test Failed Since Code Cleared
This selection will display all active and history DTCs that
have reported a test failure since the last time DTCs were
cleared.  DTCs that last failed more than 40 warm-up
cycles before this option is selected will not be displayed.

Miscellaneous Test

This test consists of eight menus-Lights, Relays, EVAP,
Fuel System, Instruments, EGR Control, Variable Intake
Manifold Solenoid, and Injector Balance Tests.
In these tests, Tech 2 sends operating signals to the
systems to confirm their operations thereby to judge the
normality of electric circuits.
To judge intermittent trouble,

1. Confirm DTC freeze frame data, and match the

freeze frame data as test conditions with the data list
displayed by Miscellaneous Test.

2. Confirm DTC setting conditions, and match the

setting conditions as test conditions with the data list
displayed by Miscellaneous Test.

3. Refer to the latest Service Bulletin. 

Check to see if the Latest software is released or not.
Down load the LATEST PROGRAMMED
SOFTWARE to the replacement PCM.

Lamps Test

This test is conducted check MIL, Up Shift Lamp, Low
Fuel Lamp, Reduced Power Lamp and Cruise Control
Lamp for its working.
Tech2 must be used for this test.
Test Procedure:

1. Connect Tech 2 to the vehicle DLC.
2. Run the Engine at idle.
3. Select F3: Miscellaneous Test in the Application

Menu.

060R100078

4. Select F0:Lamps Test in the Miscellaneous Test.

060RY00080

5. Select F0:Malfunction Indicator Lamp.

060RY00091

6. Push”On” soft key.
7. Make sure Lamp illuminates.
8. If lamp illuminates, the Lamp is operating correctly.