Check Relay

WARNING: This page is about a different variant/trim than selected.

Measure the resistance between relay terminals.

Blower motor relay

Terminal No.	Inspection conditions	Standard	Circuit
1 - 4	Always	1 MΩ or more	Courtesy of SUBARU OF AMERICA, INC.
1 - 4	Apply battery voltage between terminals 2 and 3.	Less than 1Ω	Courtesy of SUBARU OF AMERICA, INC.

PTC heater relay

Terminal No.	Inspection conditions	Standard	Circuit
2 - 3	Always	1 MΩ or more	Courtesy of SUBARU OF AMERICA, INC.
2 - 3	Apply battery voltage between terminals 1 and 4.	Less than 1Ω	Courtesy of SUBARU OF AMERICA, INC.

IGB relay

Terminal No.	Inspection conditions	Standard	Circuit
1 - 2	Always	1 MΩ or more	Courtesy of SUBARU OF AMERICA, INC.
1 - 2	Apply battery voltage between terminals 3 and 4.	Less than 1Ω	Courtesy of SUBARU OF AMERICA, INC.

Replace the relay if the inspection result is not within the standard value.