October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Scan Tool Does Not Communicate With Class 2 Data Line: Notes

WARNING: This page is about a different car, the 1999 Buick Regal and 1999 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: To identify wire colors and modules on serial data lines, see appropriate wiring diagram in DATA LINK CONNECTORS article in WIRING DIAGRAMS.