Stop Lamp Switch (With Pedal Position Switch) Inspection

Disconnect negative cable (-) at battery.
Disconnect stop lamp switch connector and remove stop lamp switch from pedal bracket.
Check switch (two contacts) for resistance under each of the following each conditions. If check result is not satisfactory, replace stop lamp switch.

Fig 1: Stop Lamp Switch (With Pedal Position Switch) Specifications
Courtesy of SUZUKI OF AMERICA CORP.

Fig 2: Checking Switch (Two Contacts) For Resistance
Courtesy of SUZUKI OF AMERICA CORP.
Install stop lamp switch and adjust its position referring to BRAKE LIGHT SWITCH , Adjustments, Brakes.