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Relay unit, radiator fans (706e), Z19DTR

Relay unit, radiator fans (706e), Z19DTR

Location

Relay unit, radiator fans (706e)

Main task

To control the radiator fans.

Type


Relay unit containing relays and resistors and thermal fuse.

Connection

Pin No. Signal type Description
3 +30 Power supply 37RH from fuse holder 748.
6 +30 Power supply 37LH from fuse holder 748.
2 Power ground Grounding of 37LH in grounding point G2.
7 Power ground Grounding of 37RH in grounding point G2.
4, 8 and 5 Control. Ground = active Grounded by ECM. The pin is grounded differently depending on the current fan stage.





Power supply


Control