Coolant temperature sensor design - GF07.04-P-5026-01HB
Metal casing with 2 separated NTC resistors.
4-pin plug connector.
Contact assignment at connector:
Terminals 1 and 4 to IFI [ERE] control module (N3/7) or DFI [EVE] control module (N3/8)
Terminals 2 and 3 to instrument cluster