audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

All Technical Service Bulletins for Fuel Pressure:|240901|Page 3659 > < All Technical Service Bulletins for Fuel Pressure:|240901|Page 3657
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Fuel Pressure: Testing and Inspection

Fuel Pump Delivery Quantity, Checking

Special tools, testers and auxiliary items required

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Hand held remote control (jumper).

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Multimeter.

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Electrical connector test lead set.

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Fuel pressure test set (high pressure).

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Measuring container, fuel-resistant.

Test conditions

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Battery voltage 12.5 V

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Fuel filter OK

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Fuel tank at least 1/4 filled.

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Fuel pressure regulator OK.

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Ignition switched off.

Test procedure

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Perform a preliminary check to verify the customers complaint.   See: Computers and Control Systems/Testing and Inspection/Initial Inspection
and Diagnostic Overview/General Diagnosis

Start diagnosis

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Remove the fuel filler cap from fuel filler.

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Remove rear seat bench.

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Remove cover retainers - arrows - from the right sealing flange.

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Disconnect the electrical harness connector - arrow - from the fuel delivery unit.

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Connect a Hand held remote control (jumper) to terminal - 1 - of the fuel delivery unit and to vehicle battery (+).

All Technical Service Bulletins for Fuel Pressure:|240901|Page 3659 > < All Technical Service Bulletins for Fuel Pressure:|240901|Page 3657