Touareg V8-4.2L (BHX) (2004)
Engine Temperature Sensor: Testing and Inspection
Engine Coolant Temperature (ECT) Sensor (on Radiator), Checking
Engine Coolant Temperature (ECT) Sensor (on Radiator), Checking
Recommended special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
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Wiring diagram
Test requirements
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Fuses in E-box (in plenum chamber, left) must be OK:
Electrical Wiring Diagrams and Component Locations
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Ground (GND) connections between engine and chassis must be OK.
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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