Cruise Control Systems: Description
WARNING:
Deactivate air bag system before performing any service operation. See AIR BAG RESTRAINT SYSTEMS article. DO NOT apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy.
The cruise control electronic control unit is incorporated into vehicle Electronic Control Module (ECM). Cruise control components consist of vehicle ECM, cruise control actuator, actuator cable, cruise control switch, vehicle speed sensor, stoplight switch, park/neutral position switch and related wiring. See Fig 1. The system allows vehicle cruise control at a desired speed greater than 25 MPH.