Tech 2 OBD II Connection: Notes

In order to access OBD II Transmission Control Module (TCM) data, use of the Tech 2 scan tool kit (7000086) is required.

1. The electronic diagnosis equipment is composed of:
   1. Tech 2 hand held scan tool unit (7000057) and DLC cable (3000095).
      Fig 1: Identifying Scan Tool Unit

      Courtesy of ISUZU MOTOR CO.
   2. SAE 16/19 Pin Adapter (3000098) (1), RS232 Loop Back Connector (3000112) (2), and PCMCIA Card (3000117) (3).
      Fig 2: Identifying Loop Back Connector

      Courtesy of ISUZU MOTOR CO.
2. Connecting the Tech 2
   Fig 3: Connecting Loop Back Connector To Scan Tool Unit

   Courtesy of ISUZU MOTOR CO.

• Before operating the Isuzu PCMCIA card with the Tech 2, the following steps must be performed:
  1. The Isuzu 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. Mark sure the vehicle ignition is off.
  5. Connect the Tech 2 SAE 16/19 adapter to the vehicle DLC.
     Fig 4: Locating DLC

     Courtesy of ISUZU MOTOR CO.
  6. The vehicle ignition turns on.
  7. Verify the Tech 2 power up display.
     Fig 5: Identifying Tech 2 Power Up Display

     Courtesy of ISUZU MOTOR CO.
     NOTE: The RS232 Loop back connector is only to use for diagnosis of Tech 2. Refer to Tech 2 user guide.
  8. The power up screen is displayed when you power up the tester with the Isuzu systems PCMCIA card. Follow the operating procedure below.
     Fig 6: Identifying Operating Procedure (1 Of 2)

     Courtesy of ISUZU MOTOR CO.

Once the test vehicle has been identified an "Application (Powertrain) Menu" screen appears. Please select the appropriate application.

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