System Description

SYSTEM

AUTOMATIC SPEED CONTROL DEVICE (ASCD) : System Description


INPUT/OUTPUT SIGNAL CHART






*: This signal is sent to the ECM via the CAN communication line

BASIC ASCD SYSTEM

Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at predetermined constant speed without depressing accelerator pedal. Driver can be set the vehicle speed in the set speed range.
ECM controls throttle angle of electric throttle control actuator to regulate engine speed.
Operation status of ASCD is indicated in combination meter.
If any malfunction occurs in the ASCD system, it automatically deactivates the ASCD control.
Refer to "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : Switch Name and Function" Switch Name And Function for ASCD
operating instructions.

CAUTION:
Always drive vehicle in a safe manner according to traffic conditions and obey all traffic laws.