Isuzu Rodeo UE. Manual - part 320

6E2–35

RODEO 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS

To clear Diagnostic Trouble Codes (DTCs), use the
diagnostic Scan Tool “clear DTCs” or “clear information”
function.  When clearing DTCs follow instructions
supplied by the tool manufacturer.
When a Tech 2 is not available, DTCs can also be cleared
by disconnecting 

one of the following sources for at least

thirty (30) seconds.

NOTE: To prevent system damage, the ignition key must
be “OFF” when disconnecting or reconnecting battery
power.

f

The power source to the control module.  Examples:
fuse, pigtail at battery PCM connectors etc.

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The negative battery cable.  (Disconnecting the
negative battery cable will result in the loss of other
on-board memory data, such as preset radio tuning).

Tech 2

From 98 MY, Isuzu dealer service departments are
recommended to use the Tech 2 Scan Tool. Please refer
to the Tech 2 user guide.

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Legend

(1) PCMCIA Card
(2) RS 232 Loop Back Connector

(3) SAE 16/19 Adaptor
(4) DLC Cable
(5) Tech–2

6E2–36

RODEO 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS

Tech 2 Features

1. Tech 2 is a 12 volt system. Do not apply 24 volt.
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 powered 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

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

1. The Isuzu 98 System PCMCIA card (1) inserts 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.

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6. Turn on the vehicle ignition.

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

display.

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

6E2–37

RODEO 6VD1 3.2L 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.

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6E2–38

RODEO 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS

Menu

f

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

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DTC Modes

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

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DTC Info

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Freeze Frame

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Fail Records (not all applications)

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Clear Info

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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.  There are six choices.  The
service manual may instruct the technician to test for
DTCs in a certain manner.  Always follow published
service procedures.

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