Coolant Temperature Sensor -G62- / -G83-, Connector Assignment

Engine Coolant Temperature (ECT) Sensor -G62-

Fig 1: Component Location Of Engine Coolant Temperature (ECT) Sensor G62

Courtesy of AUDI OF AMERICA, LLC

The ECT Sensor sits on front left of cylinder head.

-- Disconnect electrical harness connector -arrow- at ECT Sensor.

Terminal assignment of the 2-pin harness connector at ECT Sensor

Fig 2: 2-Pin Electrical Harness Connector & Terminals

Courtesy of AUDI OF AMERICA, LLC

Wire connection from Engine Coolant Temperature (ECT) Sensor -G62- to engine control module
Sensor ground (GND)

Engine Coolant Temperature (ECT) Sensor on Radiator -G83-

Fig 3: Identifying Coolant Hose

Courtesy of AUDI OF AMERICA, LLC

The ECT Sensor sits on the bottom left of the radiator.

-- Disconnect electrical connector -1- on ECT Sensor.

NOTE:

Ignore -arrow-.

2-pin connector assignment on ECT Sensor

Fig 4: 2-Pin Electrical Harness Connector & Terminals

Courtesy of AUDI OF AMERICA, LLC