CRUISE CONTROL SYSTEM OUTLINE [L8, LF]

id0120b1145200

•  The cruise control system enables driving at a constant speed by setting the vehicle speed with the cruise control switch instead of operating the accelerator pedal.
•  The PCM controls the throttle valve actuator to maintain the vehicle at a constant speed.

Component and function

Component

Function

Installation location
ABS HU/CM or DSC HU/CM
(CAN communication: Vehicle speed signal)
The vehicle speed signal is sent to the PCM from either the ABS HU/CM or DSC HU/CM.
Engine compartment
Cruise control
switch
ON OFF
This is the main switch of the cruise control system. Turning the ON OFF switch to on switches the cruise control system to standby status.
Steering wheel
SET/–
When the vehicle speed exceeds 27 km/h {17 mph} during normal driving (cruise control system is in standby status) and the SET/– switch is released after it is pressed, the PCM stores the vehicle speed at the time the switch is released and the cruise control begins.
Tapping the SET/– switch (tap-down operation) or continuously pressing it during cruise control decreases the set vehicle speed.
RES/+
If the RES/+ switch is pressed while the cruise control is in standby status (PCM has stored a set vehicle speed) and the vehicle speed exceeds 27 km/h {17 mph} during normal driving, the cruise control system activates to control the vehicle speed to the set vehicle speed.
Tapping the RES/+ switch (tap-up operation) or continuously pressing it during cruise control increases the set vehicle speed.
CANCEL
Pressing the CANCEL switch during cruise control switches the cruise control system to standby status (set vehicle speed is saved).
Brake switch
Depressing the brake pedal during cruise control switches the cruise control system to standby status (set vehicle speed is saved).
Brake pedal
CPP switch (MT)
Depressing the clutch pedal during cruise control switches the cruise control system to standby status (set vehicle speed is saved).
Clutch pedal
Neutral switch (MT)
Shifting to neutral during cruise control switches the cruise control system to standby status (set vehicle speed is saved).
Manual transaxle
PCM
•  The cruise control system activates or stops based on the cruise control switch ON OFF signal.
•  The cruise control duty signal, which is based on each input signal, is sent to the throttle valve actuator.
Engine compartment
Throttle valve actuator
The duty signal sent from the PCM adjusts the throttle valve opening angle.
Throttle body
Cruise main indicator light
This illuminates an amber color while the cruise control system is on standby status.
Instrument cluster
Cruise set indicator light
This illuminates a green color while the cruise control system is in control status.