Combination Switch (Wiper): Inspection

WARNING: This page is about a different car, the 2004 Subaru Outback, 2004 Subaru Legacy, and 2004 Subaru Baja. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the continuity between each connector terminal.

Fig 1: Inspecting Continuity Between Each Connector Terminal

Courtesy of SUBARU OF AMERICA, INC.

TERMINAL NUMBER SPECIFICATION CHART

Switch position		Terminal No.	Standard
FRONT	OFF	7 and 16 7 and 17 8 and 17 2 and 11	More than 1 ohm.
	INT	7 and 16	Less than 1 ohm
	LO	7 and 17	Less than 1 ohm
	HI	8 and 17	Less than 1 ohm
	Washer ON	2 and 11	Less than 1 ohm
REAR	Washer ON	2 and 10 10 and 12 2 and 12	Less than 1 ohm
	OFF	2 and 10 10 and 12 2 and 12	More than 1 Mohm
	ON	2 and 10	Less than 1 ohm
	Washer ON	2 and 10 10 and 12 2 and 12	Less than 1 ohm

If continuity is not as specified, replace the switch.

Intermittent operation inspection

Turn the wiper switch to INT.
Adjust the intermittent control switch to MAX.
Apply battery voltage to switch terminals 17 and 2, and inspect the voltage of terminals 7 and 2. (Measure the voltage from after the second time the wiper stops.)

Fig 2: Identifying Blinking Pattern
Courtesy of SUBARU OF AMERICA, INC.

If operation is not as specified, replace the switch.