Jetta L4-2.0L (BEV) (2004)
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Replace Motronic Engine Control Module (ECM) -J220-.
Checking voltage supply and wiring to control module
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Connect multimeter to the following connector terminals for voltage measurement.
Vehicles with cruise control:
Terminal 2 + 5
Vehicles without cruise control:
Terminal 4 + 7
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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 the following connector terminals for voltage measurement:
Vehicles with cruise control:
Terminal 2 + 6
Vehicles without cruise control:
Terminal 3 + 7
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Switch ignition on.
Specified value: at least 9.0 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. See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test