A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
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Replace Clutch Vacuum Vent Valve Switch -F36-.
If specified value is obtained:
Checking voltage supply
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Connect voltage tester V.A.G 1527 B as follows:
Connector
Measure to
terminal
3
Vehicle body ground (GND) point
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Switch ignition on.
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LED must light up.
If LED does not light up:
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Check wiring for open circuit and service if necessary.
If LED lights up:
Checking activation
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Connect test box V.A.G 1598/31 to wiring harness for Engine Control Module (ECM); do not connect directly to ECM. See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Generic Scan
Tool/Scan Tool Connecting/Test Box, Connecting For Wiring and Component Test
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Check for open circuit and short to positive (B+) or ground (GND) in following wiring connection:
Connector
Test box V.A.G 1598/31
terminal
Socket
2
39
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Repair any open/short circuit as necessary.