Description - engine management (ENGINE MANAGEMENT SYSTEM - V8) (page 2 of 43)

ENGINE MANAGEMENT SYSTEM - V8

DESCRIPTION AND OPERATION

18-2-7

The ECM controls the following outputs:

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Fuel injectors (1 per cylinder).

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Ignition coils/ high tension leads/ spark plugs. 

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Fuel pump relay.

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Idle air control valve.

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Heated oxygen sensors.

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EVAP canister purge valve.

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EVAP canister vent solenoid (CVS) valve (where fitted).

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Malfunction Indicator Lamp (MIL)/ service engine soon lamp (where fitted).

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Hill descent control (via SLABS interface).

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EVAP system fuel leak detection pump (where fitted)

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Secondary air injection pump (where fitted)

The ECM also interfaces with the following:

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Diagnostics via diagnostic connector with TestBook.

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Controller Area Network (CAN) link to EAT ECU.

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Air conditioning system.

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Self Levelling & Anti-lock Braking System (SLABS) ECU.

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Immobilisation system via the body control unit (BCU).

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Instrument cluster.

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Cruise control ECU

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Active Cornering Enhancement (ACE) ECU