Passat Sedan 4Motion V6-3.6L (BLV) (2007)
CAUTION:
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Cooling system is under pressure.
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Danger of scalding when opening.
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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 specified value is obtained:
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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 60-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 2-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram.
Terminal 1 + socket 10
Terminal 2 + socket 14
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 detected in the wires and the resistance value is OK:
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Replace Engine Control Module (ECM) -J623-.