oldsmobile Workshop Repair Guides

Oldsmobile Workshop Service and Repair Manuals

Engine Control Module > < Reference Signal <--> [Cranking Signal]|Testing and Inspection
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Data Link Connector: Description and Operation

Figure 1 Terminal Arrangement In Connector

EXTRACTING TROUBLE CODES:

With the ignition switch ON and the engine either stopped or running, the "test" terminal in this connector should be grounded.  SEE Procedures
under System Diagnosis
.

Engine Control Module > < Reference Signal <--> [Cranking Signal]|Testing and Inspection