A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
Fuel Pump Control Unit: Testing and Inspection
Fuel Pump (FP) Control Module J538 , Checking (vehicles With 4-cyl. TFSI Engine)
Special tools, testers and auxiliary items required
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Portable multimeter V.A.G 1526 B
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Connector test set V.A.G 1594 C
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Adapter cable V.A.G 1598/39
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Test box V.A.G 1598/42
Test conditions
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Battery voltage at least 12.5 V.
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Fuse on fuse panel S228 (position 28) OK.
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Ignition switched off.
Check voltage supply for Fuel Pump (FP) (from Fuel Pump (FP) Control Module J538 )
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Remove rear seat bench.