Combination Switch (Wiper): Inspection

WARNING: This page is about a different car, the 2003 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

Measure the combination switch.

Fig 1: Identifying Combination Switch Terminals
Courtesy of SUBARU OF AMERICA, INC.

Fig 2: Measuring Combination Switch Resistance Table
Courtesy of SUBARU OF AMERICA, INC.

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 16 and 2, and inspect the voltage of terminals 7 and 2. (Measure the voltage from after the second time the wiper stops.)

Fig 3: Identifying Switch Position & Measuring Voltage
Courtesy of SUBARU OF AMERICA, INC.

If operation is not as specified, replace the switch.