FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Signal Specification, Engine Control Module (ECM)






Signal specification, engine control module (ECM)

All values indicated below are between respective connection in column 2 and column 1 (on the breakout box). If this is not the case, it is indicated within brackets.
Connector A (96-pin) corresponds to terminals #A1 - #B36 on the breakout box.
Connector B (58-pin engine side) corresponds to terminals #C1 - #58 on the breakout box.

Note! Connect the breakout box and check the ground connections before starting to measure.