Coolant temp engine code
Thanks
Rear view
http://www.12v.org/engine/index.php?...n=cl&view=rear
Top view
http://www.12v.org/engine/index.php?...n=cl&view=cool
Note: The coolant temp sensor(G62) which turns on the AUX fan is located in the lower left of the RAD. This picture shows the previous version of the 12v V6 engine. I just installed new head gasket and didn't see the coolant temp sensor there as shown in this picture.
1. Multifuction coolant temp sensor(F76). It's on the water pipe under the idle control valve. This is the problem one as it communicates with the ECU. Just took a look and its not visible but, its located under Idle control valve and Intake manifold.
2. Coolant temp sensor(Thermoswitch)- Located in the lower left of the rad. Turns on the AUX fan if Temp goes above 91C etc... The picture below has the wrong location for this sensor.
Rear view
http://www.12v.org/engine/index.php?...n=cl&view=rear
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There are two sensors in one assembly there are (2) pins for each circuit.
Since your gauge isn't working . You have a bad connection or a bad sensor.
Vag.com can read ECU temp and gauge temp.
The other device in the radiator is a thermostatic switch for the fans.




