nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Electronic Control Module|Page 1595 > < Engine Controls - ECM Testing and Notes|Page 1592
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Engine Control Module: Description and Operation
Electronic Control Module

Fig. 46 Electronic ignition timing control.

    The central electronic control unit, Fig. 46, controls ignition timing in response to various engine operating conditions. The signal from the control
unit is transmitted to the ignition coil power transistor which adjusts the ignition timing.

Electronic Control Module|Page 1595 > < Engine Controls - ECM Testing and Notes|Page 1592