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SECTION VIIC
SERVICE PROGRAMMING SYSTEM
2005 Tech 2 User’s Guide VII - 66
Serial Data Link Tester (J-42236-A) for Corvettes
The J-42236-A serial data link tester (
) is used to perform SPS functions for the 1997 to
present Chevrolet Corvette. Refer to the service manual for detailed instructions on how to use this device
for programming.
NOTICE
Failure to follow proper programming procedures could result in
PERMANENT DAMAGE
to the PCM.
Procedure for Connecting the J-42236-A to the Vehicle PCM:
1. Ensure that the battery is fully charged, and that the scan tool cable connection at the data link
connector (DLC) is secure.
2. Turn off the ignition.
3. Remove the passenger side floor access panel. (Refer to service manual for details.)
4. Remove the shorting bars from both splice packs (star connectors). It may be necessary to remove
splice packs from the mounting positions.
5. Install the splice pack (star connector) cable #1 from the J-42236-A serial data link tester to the 12-pin
splice pack. This is the connector with eight or 10 wires.
6. Install the splice pack (star connector) cable #2 from the J-42236-A to the 12-pin splice pack. This is
the connector with four wires.
7. Select the splice pack (star connector) cable #1 on the J-42236-A toggle switch.
8. Select position B on the J-42236-A. Proceed with normal programming procedures.
Figure VIIC-42
Serial data link tester J-42236-A
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Summary of Contents for Tech 2
Page 129: ...1 RS 232 port 2 RS 232 loopback adapter P N 3000112 2 1 RETURN TO MAIN MENU ...
Page 130: ...1 VCI connector 2 Tech 2 DLC cable P N 3000095 2 1 RETURN TO MAIN MENU ...
Page 131: ...1 Tech 2 DLC cable P N 3000095 2 DLC loopback adapter P N 3000109 2 1 RETURN TO MAIN MENU ...
Page 135: ...1 Empty lower PCMCIA slot 2 Up arrow eject button 2 1 RETURN TO MAIN MENU ...
Page 136: ...1 Bottom side of Tech 2 2 Tech 2 PCMCIA card 3 Tech 2 door 1 2 3 RETURN TO MAIN MENU ...
Page 137: ...1 Tech 2 PCMCIA card 1 RETURN TO MAIN MENU ...
Page 138: ...1 VCI module lever 1 RETURN TO MAIN MENU ...
Page 139: ...1 VCI module lever moved all the way to the right 2 VCI module 2 1 RETURN TO MAIN MENU ...
Page 140: ...1 Velcro strap 1 RETURN TO MAIN MENU ...
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