Passat Sedan V6-3.6L (BLV) (2008)
PCV Heater: Testing and Inspection
Positive Crankcase Ventilation (PCV) Heating Element N79, Checking
NOTE: Use only gold-plated terminals when servicing terminals in the electrical harness connector of Positive Crankcase Ventilation (PCV) Heating
Element N79.
Special tools, testers and auxiliary items required
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Multimeter.
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Wiring diagram.
Test requirements
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The Motronic Engine Control Module (ECM) J623 fuses OK.
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The Power Supply Relay (terminal 50) J682 OK.
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Battery voltage at least 12.5 volts.
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All electrical consumers such as, lights and rear window defroster, switched off.
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Vehicles with automatic transmission, shift selector lever into position "P" or "N".
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A/C switched off.
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Ground (GND) connections between engine/transmission/chassis OK.
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Ignition switched off.
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Engine cold.
Test procedure
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Perform a preliminary check to verify the customers complaint. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing
and Procedures/Preliminary Check
Start diagnosis
Checking internal resistance
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Disconnect the Positive Crankcase Ventilation (PCV) Heating Element N79 electrical harness connector - 2 -.