Touareg V8-4.2L (BHX) (2004)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
Engine Coolant Temperature Sensor on Radiator, Checking
Diagnostic Procedures
Engine Coolant Temperature Sensor on Radiator, Checking
Special tools, testers and auxiliary items required
‹› Multimeter (VAG1526) or multimeter (VAG1715)
‹› Connector test kit (VAG1594)
‹› Wiring diagram
Test requirements
Fuses in E-box (in plenum chamber, left) must be OK:
Ground (GND) connections between engine and chassis must be OK.
Ignition switched off.
Test sequence
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Disconnect 2-pin connector from Engine Coolant Temperature (ECT) Sensor (on Radiator) (G83) (arrow).
Checking resistance