Jetta V6-2.8L (BDF) (2002)
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Connect multimeter between terminal 2 and Ground (GND) for voltage measurement.
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Switch ignition on.
Specified value: at least 11.5 V
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Switch ignition off.
If specified value is not obtained:
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Check wire between 4-pin connector terminal 2 and central electronics for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohm
Continuation for all vehicles
If specified value is obtained:
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Connect test box to control module wiring harness, connect test box for wiring test. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box,
Connecting For Wiring Test
Vehicles with 2-pin clutch vacuum vent valve switch
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Check wire between test box and 2-pin connector for open circuit according to wiring diagram.
Terminal 2 + socket 39
Wire resistance: max: 1.5 Ohm
Vehicles with 4-pin clutch vacuum vent valve switch
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Check wire between test box and 4-pin connector for open circuit according to wiring diagram.
Terminal 3 + socket 39