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.

Diagnostic Aids

With ignition switch in RUN position, check for voltage transitions on SPI data line. If only history DTC U2002 is set, problem may be intermittent. Try to recreate fault by wiggling wiring and connectors while performing test.