audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Pump Control Unit|Testing and Inspection|Page 618 > < Checking Secondary Air Injection (AIR) Pump Relay Power Supply|Page 613
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Fuel Pump Control Unit: Testing and Inspection

Fuel Pump (FP) Control Module -J538-, Checking

Special tools, testers and auxiliary items

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V.A.G 1526 A

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V.A.G 1594 A

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V.A.G 1598/31

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VAS 5051 with VAS 5051/5a

Test conditions:

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Battery voltage at least 12.7 V

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Safety device S81 OK (card location C) in the relay support driver's side behind the driver's side shelf

Fuel Pump Control Unit|Testing and Inspection|Page 618 > < Checking Secondary Air Injection (AIR) Pump Relay Power Supply|Page 613