Stop Light Switch

WARNING: This page is about a different car, the 2008 Subaru Impreza. However, it is still accessible from the selected car via links, so may be relevant.

Measure the resistance between stop light switch terminals.

Wagon model

Fig 1: Measuring Resistance Between Stop Light Switch Terminals - Wagon Model
Courtesy of SUBARU OF AMERICA, INC.
Sedan model

Fig 2: Measuring Resistance Between Stop Light Switch Terminals - Sedan Model

Courtesy of SUBARU OF AMERICA, INC.

RESISTANCE REFERENCE CHART

Switch position	Terminal No.	Standard
When brake pedal is depressed	Wagon model: 1 and 2 Sedan model: 3 and 4	Less than 1 Ω
When brake pedal is released	Wagon model: 1 and 2 Sedan model: 3 and 4	1 MΩ or more