Radiator fan relay unit (706b), B207 with one radiator fan

/ 9-3 (9440) / 2010 / 2. Engine / 4-cyl petrol/E85 / Cooling system / Technical description / Radiator fan relay unit (706b), B207 with one radiator fan

Location

Radiator fan relay unit (706b)

Main task

To control the radiator fan.

Type

Relay box containing relays and resistors.

Connection

706b pin no	Signal type	Description
5	+30	Supplied with power from maxi fuse 35 in UEC.
2	ground	Grounded in grounding point G30B.
1, 4 and 7	ground	Grounded by ECM. The pin is grounded differently depending on the current fan stage.

Power supply

Control