A6 Sedan V6-2.8L (AHA) (1998)
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Using multimeter with auxiliary wires from VAG 1594, measure resistance across terminals on valve.
Specified value: 10-18 ohms
If resistance is not as specified:
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Replace solenoid valve.
Checking voltage supply of valves for camshaft adjustment
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Disconnect harness connector from valve.
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Connect LED tester VAG 1527 between engine ground and terminal 1 of connector (B+).
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Crank starter for several seconds (engine can start).
LED in voltage tester must light up.
If LED does not light up, conduct the following tests:
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Check fuse for valves for camshaft adjustment.
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Check wiring from terminal 1 on 2-pin connector to fuse for continuity per wiring diagram.
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Check fuel pump relay and signal to relay. See: Powertrain Management/Fuel Delivery and Air Induction/Fuel Pump/Fuel Pump Relay/Testing
and Inspection
Checking signal to valves for camshaft adjustment
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Disconnect harness connector from valve.
