Engine - Coolant Temperature Sensor/Switch

Engine Coolant Temperature Sensor Connector Assignment

=> [ Engine Coolant Temperature Sensor Electrical Connector, Disconnecting ] , with 4.2L MPI

=> [ Engine Coolant Temperature Sensor Electrical Connector. Disconnecting ] , with 4.2L FSI

=> [ Engine Coolant Temperature Sensor Electrical Connector, Disconnecting ] , with 5.2L FSI

=> [ Engine Coolant Temperature Sensor Electrical Connector, Disconnecting ] , with 6.0L MPI

Special tools, testers and auxiliary items required

• Assembly tool (T10118)

Procedure

- Disconnect electrical connector at engine coolant temperature (ECT) sensor (G62):

Terminal Assignment of the 2-pin Harness Connector at Engine Coolant Temperature (ECT) Sensor





1. Sensor ground (GND)

2. Wire connection from engine coolant temperature (ECT) sensor to engine control module

Engine Coolant Temperature Sensor Electrical Connector, Disconnecting

Procedure





- Remove rear engine cover - arrows -.

- Disconnect electrical connector on engine coolant temperature (ECT) sensor (G62) - arrow - with (T10118).





• For the sake of illustration, depicted without engine.

Install in reverse order.

Engine Coolant Temperature Sensor Electrical Connector. Disconnecting

Procedure





- Remove rear engine cover.

- Lay aside fuel line and line to EVAP canister at air guide pipe.





- Remove air guide hose by loosening hose clamps - 2 and 5 -.

- Lay aside air guide hose with wires - 3 and 4 - connected.

• Disregard item - 1 -.

- Disconnect electrical harness connector - arrow - at engine coolant temperature (ECT) sensor (G62).





• For the sake of illustration, depicted without engine.

Install in reverse order.

Engine Coolant Temperature Sensor Electrical Connector, Disconnecting

Procedure





- Remove front - 1 - and rear - 2 - engine cover - arrows -.

- Remove left air guide hose - arrows -.





- Remove vacuum hose - 2 - from air guide hose.

- Loosen hose clamps - arrows - and lay aside air guide hose.


On vehicles in USA configuration, hose connection - 1 - must not be opened.

- Disconnect vacuum hose - 1 - from intake manifold.





- Remove the bolts - arrows - and remove air guide.

- Remove electrical connectors - 2 - from bracket.





- Disconnect electrical harness connector - 1 - at engine coolant temperature (ECT) sensor (G62).

Install in reverse order.

Engine Coolant Temperature Sensor Electrical Connector, Disconnecting

Procedure





• Engine removed.

- Disconnect electrical harness connector - 3 - at engine coolant temperature (ECT) sensor (G62) using (T10118).

• Ignore - 1, 2 and 4 -.