audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < With Manufacturer's Scan Tool|Page 660
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Specified value: Wire resistance max 1.5 Ohm

If no malfunctions are detected:

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Replace Fuel Pump (FP) Relay -J17-.

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Re-insert the fuses.

Final procedures

After repair work, the following work steps must be performed in the mentioned sequence:

1

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Check DTC memory, "Mode 3: Check DTC memory". See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Generic Scan Tool/Diagnostic Mode 3: Check DTC Memory

2

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If necessary, erase DTC memory, "Mode 4: Reset/erase diagnostic data". See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Generic Scan Tool/Diagnostic Mode 4: Check
Reset/Erase Diagnostic Data

3

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Generate readiness code. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles
and Readiness Codes/Audi Drive Cycle/Readiness Code/With Generic Scan Tool/Readiness Code, Generating

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End diagnosis and switch ignition off.

Main Relay (Computer/Fuel System) > < With Manufacturer's Scan Tool|Page 660