Radiator fan relay unit Z18XE (706b): Connection

PIN SIGNAL TYPE DESCRIPTION

Pin no.	Signal type	Description
2	Ground	Grounded in grounding point G30A
5	+30	Supplied with power from maxi fuse 35
1, 4 and 7	ground	Grounded by ECM. The pin is grounded differently depending on the current fan stage.

power supply

Fig 1: Identifying Radiator Fan Relay Unit Circuit Diagram (1 Of 2)

Courtesy of SAAB-SCANIA OF AMERICA, INC.

control

Fig 2: Identifying Radiator Fan Relay Unit Circuit Diagram (2 Of 2)

Courtesy of SAAB-SCANIA OF AMERICA, INC.