Throttle Switch
A potentiometer type throttle switch is installed on throttle chamber of TR8 models and a contact type is used on all other models. Both throttle switches send information on throttle position to ECU. On contact switch, signals are sent when throttle is at idle or full throttle positions. See Fig 1. The potentiometer switch monitors the throttle valve angle and an electrical signal proportionate to throttle position is sent to ECU.