audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 673 > < With Manufacturer's Scan Tool|Page 671
Page 4
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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.

With Manufacturer's Scan Tool|Page 673 > < With Manufacturer's Scan Tool|Page 671