Passat Sedan 4Motion V6-3.6L (BLV) (2007)
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Connect multimeter using adapter cables to terminal 4 of connector and chassis 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 there is a malfunction in voltage supply:
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Check wire between 4-pin connector terminal 4 and corresponding fuse holder for open circuit according to wiring diagram.
Wire resistance: max. 3.0 ohms
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.
If there is no malfunction in voltage supply:
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Check wires to Engine Control Module (ECM) according to wiring diagram.
Checking wires to Engine Control Module (ECM)
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Connect test box to 94-pin connector of wiring harness, connecting test box for wiring test. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Component Tests and General Diagnostics/Component Tests (VAG Code Tests)/Test Box, Connecting For
Wiring Test
Engine Control Module (ECM) is not connected.
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Check wires between test box and 4-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram.
Terminal 2 + socket 1
Terminal 3 + socket 25
Wire resistance: max. 3.0 ohms
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Also check wires for short circuit to each other.
Specified value: infinity ohms
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.
If no malfunctions are found in wires:
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Replace Brake Light Switch -F-.