Stop Light Switch Circuit

CIRCUIT DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling, while driving in lockup condition, when brakes are suddenly applied.

When the brake pedal is operated, this switch sends a signal to ECM. Then the ECM cancels operation of the lockup clutch while braking is in progress.

Stop Light Switch Diagnostic Chart:

DIAGNOSTIC CHART

Stop Light Switch Circuit:

WIRING DIAGRAM

Stop Light Switch Inspection Procedure:

INSPECTION PROCEDURE