Cruise control system components and their operation
Component | Function |
Vehicle speed sensor | Converts vehicle speed into signal pulses |
Speed control control unit (SPPS) | Receives signals from sensors and control switches, controls the automatic maintenance of the set speed |
Drive unit | Regulates the position of the throttle valve according to the signals from the control unit |
Control switches | |
CRUISE main switch | Turns on power to system components |
SET/RESUME | Reference switches (changes) movement speed |
CRUISE indicator | Lights up when the SPPS is turned on |
Interrupt switches | Send a signal to turn off the SPPS |
Stoplight switch | Disables constant speed mode |
Clutch pedal switch | |
Automatic transmission gear recognition switch | Overdrive On/Off Control |
Diagnostic connector | Reading trouble codes (using a voltmeter and diagnostic tester) |