Data Link Communications System Check for Chevrolet Chevy P32 RV/Van Chassis 1998

1. Test the scan tool operation on a known good vehicle in order to ensure proper operation of the scan tool.
2. Inspect for proper connection of the scan tool to the data link connector (DLC).
3. Inspect for proper installation of the aftermarket electronic equipment. Improper installation of aftermarket electronic equipment may affect the integrity of other systems.
4. Verify power and ground at the DLC.
5. Verify the integrity of the serial data wires.