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Volvo
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1997
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960 L6-3.0L VIN 96 B6304F2
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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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Description and Operation
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Control Functions
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Control of Fuel Pump
Control of Fuel Pump
The
engine control module
(ECM)
activates the main relay (2/32) when the ignition is switched ON. At the same time the
fuel pump
(FP)
relay (2/23) is activated for one second to enable the fuel pump (6/33) to build up pressure.