Coolant Temperature Sensor -G62-, Connector Assignment

Engine Coolant Temperature (ECT) Sensor -G62- 

Fig 1: Disconnecting Connector

Courtesy of AUDI OF AMERICA, LLC

The ECT Sensor is located on the left side of the cylinder head.

-- Disconnect electrical harness connector -1- at ECT Sensor.

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

Fig 2: Identifying 2-Pin Electrical Harness Connector & Terminals

Courtesy of AUDI OF AMERICA, LLC

1. Sensor ground (GND)
2. Wire connection from ECT Sensor to engine control module