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ECM controls throttle valve operating angle of electric throttle control actuator to regulate engine speed.
Operation status of ASCD is indicated by CRUISE indicator and SET indicator in combination meter.
If any malfunction occurs in ASCD system, it automatically deactivates control.
Set Operation
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Press ASCD CRUISE switch (Main switch). (Then CRUISE indicator in combination meter illuminates.)
When vehicle speed reaches a desired speed between approximately 40 km/h (25 MPH) and 144 km/h (89
MPH), press SET switch. (Then SET indicator in combination meter illuminates.)
Accel Operation
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If the RESUME/ACCEL switch is depressed during cruise control driving, increase the vehicle speed until the
switch is released or vehicle speed reaches maximum speed controlled by the system.
And then ASCD will keep the new set speed.
Cancel Operation
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When any of following conditions exist, cruise operation will be canceled.
I CANCEL switch is depressed.
I Brake pedal is depressed.
I Clutch pedal is depressed (M/T models).
I A/T selector lever is shifted to P or N position (A/T models).
If MAIN switch is turned to OFF while ASCD is activated, all of ASCD operations will be canceled and vehicle
speed memory will be erased.
Coast Operation
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When the SET/COAST switch is depressed during cruise control driving, decrease vehicle set speed until the
switch is released. And then ASCD will keep the new set speed.
Resume Operation
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When the RESUME/ACCEL switch is depressed after cancel operation other than depressing MAIN switch is
performed, vehicle speed will return to last set speed. To resume vehicle set speed, vehicle condition must
meet following conditions.
I Brake pedal is released.
I Clutch pedal is released (M/T models).
I A/T selector lever is in other than P and N position (A/T models).
I Vehicle speed is greater than 40 km/h (25 MPH) and 144 km/h (89 MPH).
ENGINE AND EMISSION BASIC CONTROL SYSTEM DESCRIPTION
Automatic Speed Control Device (ASCD) System (Cont’d)
EC-54
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