Sentra Hatchback Coupe L4-1597cc 1.6L SOHC (E16i) (1987)
Engine Control Module: Description and Operation
E.C.U. (E.C.C.S. control unit)
The E.C.U. consists of a microcomputer, inspection lamps, a diagnostic mode selector and connectors for signal input and output, and for power
supply. The unit has control of the following functions.
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Injected fuel amount
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Ignition timing
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Mixture ratio feedback
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Idle speed
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Fuel pump operation
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Mixture heating
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A.I.V. operation
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E.G. R. and canister purge operation
E.C.C.S CONTROL