Passat L4-1.8L Turbo (AWM) (2004)
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Disconnect 8-pin harness connector from throttle valve control module.
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Connect multimeter to connector terminals 4+7 for voltage measurement.
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Switch ignition on.
Specified value: at least 4.5 V
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Switch ignition off.
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Connect multimeter to connector terminals 3+7 for voltage measurement.
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Switch ignition on.
Specified value: at least 9 V
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Switch ignition off.
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Connect test box to control module wiring harness, connect test box for wiring test. Engine Control Module ECM) is not connected. See: Testing
and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test
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Check for open circuits in wires between test box and connector according to wiring diagram.
Terminal 1 + socket 66
Terminal 2 + socket 59
Terminal 3 + socket 69
Terminal 4 + socket 62
Terminal 5 + socket 75
Terminal 7 + socket 67
Terminal 8 + socket 74
Wire resistance: max: 1.5 ohms
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Check wires for short circuit to each other.
Specified value: Infinite ohms
Vehicles with engine code ATW, AUG, AWM