A8L V8-4.2L (BFM) (2004)
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Check wire connection from terminal 1 to Fuel Pump (FP) relay via fuse for continuity.
If voltage test lamp lights up, check activation.
Checking activation of valves for camshaft adjustment
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Disconnect connector at respective solenoid valve.
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Connect V.A.G 1527 voltage tester using cables from V.A.G 1594 connector test kit to sockets 1 (B+) and 2 of connector for respective solenoid
valve.
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Operate starter for a few seconds. Engine may also start up during this.
Diode test lamp must blink during activation of camshaft adjustment.
If LED lights up continuously.
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Check wire connection of socket 2 of respective connector of solenoid valve for camshaft adjustment for short circuit to Ground (GND).
If voltage test lamp does not blink.
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Check wire connection.
Checking wire connection
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Connect V.A.G1598/31 test box at wiring harness to Engine Control Module (ECM), do not connect ECM.