Sunroof Switch: Inspection

WARNING: This page is about a different car, the 2024 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.

Measure the resistance between connector terminals.

Preparation tool:

Circuit tester

Courtesy of SUBARU OF AMERICA, INC.

(a)	Sunroof switch (tilt and slide)
(b)	Sunroof switch (shade)

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Inspection conditions	Standard	Connector
1 - 2	Tilt	Less than 1 Ω	(a): Tilt and slide switch
6 - 2	OPEN	Less than 1 Ω
3 - 2	CLOSE	Less than 1 Ω
6 - 2	OPEN	Less than 1 Ω	(b): Shade switch
3 - 2	CLOSE	Less than 1 Ω	(b): Shade switch

Apply battery voltage between the connector terminals to check lighting condition of illumination inside the switch.

CAUTION: When applying battery voltage, do not mix up the positive (+) side and the negative (-) side.
Incorrect polarity connection may cause LED damage inside the switch.

Terminal No.	Inspection conditions	Specification
5 (+)- 4 (-)	Apply battery voltage	Light ON

Replace the sunroof switch if the inspection result is not within the standard value.