Volkswagen Workshop Manuals
Passat Sedan V6-3.6L (BLV) (2008)
Sensors and Switches > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Coolant Temperature Sensor/Switch (For Computer) > Component Information > Testing and Inspection > Engine Coolant Temperature Sensor G62, Checking > Page 865
Disconnect the Engine Coolant Temperature (ECT) Sensor G83 electrical harness connector - 1 -.
If indication jumps to approx. -40.0 degrees C:
End diagnosis and switch ignition off.
Replace the the Engine Coolant Temperature (ECT) Sensor G83 Engine Mechanical, Fuel Injection Ignition.
If indication remains at approx. 140.0 degrees C:
If the manufacturers test box is being used. Perform the following step.
Install the test box.
If the manufacturers test box is not being used. Perform the following step.
Remove the Motronic Engine Control Module (ECM) J623.
Using a Multimeter, check the Engine Coolant Temperature (ECT) Sensor G83 electrical harness connector terminals to the Motronic Engine
Engine Coolant Temperature
Motronic Engine Control Module
(ECT) Sensor (on radiator)
(ECM) J623 electrical connector
G832 electrical harness
T94 terminals or test box socket
Specified value: 1.5 Ohms Max.
If the specification was not obtained:
Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
Check the electrical harness connector for damage, corrosion, loose or broken terminals.
If necessary, repair the faulty wiring connection.
Erase the DTC memory. .
Perform a road test to verify repair.
If the DTC does not return:
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