FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
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Nissan-Datsun
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1994
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240SX Convertible L4-2.4L (KA24DE)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Voltage Signal
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Description and Operation
Voltage Signal: Description and Operation
The
Engine Control Module
(
ECM
) monitors the battery voltage. It uses this information to determine electrical load and operating voltage.