A4 Quattro Cabriolet V6-3.0L (BGN) (2005)
Fuel Pump Relay: Testing and Inspection
Fuel Pump (FP) Relay -J17- And Activation, Checking
Special tools and equipment
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VAG1526 A
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VAG1594 A
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VAG1598/31
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VAS5051 with VAS5051/1
The fuel pump and certain components of the injection system are supplied with power by way of the Fuel Pump (FP) relay -J17-.
The Fuel Pump (FP) relay -J17- is only energized when the engine is running, i.e. the relay is only connected to Ground (via the engine control module)
when engine speed pulses are detected in the engine control module.
Test requirements
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Battery voltage at least 12.7 V
Functional check of fuel pump relay
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Remove driver's storage compartment:
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Connect testing and information system VAS5051 and select vehicle system "01 Engine electronics" in selection. Ignition must be switched on.
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Initiate final control diagnosis and actuate Evaporative Emission (EVAP) canister purge regulator valve - N80-.