Leganza SX L4-2.2L DOHC D-TEC MFI (1999)
Cruise Control Switch: Description and Operation
Lever Switch
After the main switch is turned ON and the neutral position of the lever switch is detected by the cruise control actuator, the following operations can be
performed by using the cruise control lever switch:
Set
If the cruise control is ON and the minimum speed is 38.6 kph (24 mph), but not more than 155 kph (96 mph), the target speed can be set by selecting
the SET button for 10 to 300 milliseconds. If SET is selected for more than 300 milliseconds, the cruise control will be activated in the COAST
function. If the accelerator is pressed by the driver after the cruise control has been set, the previous target speed will be maintained when the accelerator
is released. If the accelerator is pressed by the driver until the actual speed is more than 35 kph (22 mph) over the target speed, or until the vehicle
exceeds 160 kph (99 mph), the cruise control will dis-engage.
Coast
If a target speed has been set and COAST is selected for at least 300 milliseconds, the throttle will return to idle, and the vehicle will coast. When the
COAST switch is released, the current speed will be maintained as the new target speed. If the vehicle speed drops below 32.2 kph (20 mph) while
coasting, the cruise control will be disengaged. If the switch is released between +32.2 kph (20 mph) and 38.6 kph (24 mph), the minimum target speed
of 38.6 kph (24 mph) will be used.
Resume
If the cruise control is ON, and the system was dis-engaged by using the brake or clutch, exceeding the maximum speed, failing to maintain the minimum
speed, or exceeding the target speed by more than 35 kph (22 mph), the last memorized speed can be reset by selecting RESUME if the time since
disengagement is not greater than 5 seconds. The RESUME function is selected by switching to RESUME for 10 to 300 milliseconds. If the actual
speed is below the target speed when RESUME is selected, the vehicle will accelerate at 3.4 kph per second (2.1 mph/second) until the vehicle is
within 10 kph (6 mph) of the target speed, and then acceleration will be reduced to achieve a smooth transition from acceleration to cruising. If the
actual speed is above the target speed when RESUME is selected, the throttle will be allowed to return to idle until the target speed is achieved.
RESUME can be canceled by selecting SET, and then the current speed will be maintained as the new target speed.
Accelerate
If cruise control is ON, and the ACCEL switch is selected for more than 300 milliseconds, the vehicle will accelerate. The acceleration is maintained at
the rate of 3.4 kph per second (2.1 mph/second) as long as vehicle performance is sufficient; otherwise, full throttle is applied. When the switch is
released, the current speed will be stored and used as the new target speed. The ACCEL switch cannot be used for acceleration above 155 kph (96 mph)
. If 155 kph (96 mph) is attained, acceleration will stop and 155 kph will be set as the new target speed.
Tap-Up
If the cruise control has been set, and RESUME is selected again for more than 10 milliseconds, but less than 300 milliseconds, the target speed will
increase by 2 kph (1.2 mph) for each time that the RESUME button was selected (or tapped). If the driver has used the accelerator to increase speed
over 8 kph over the current target speed, a tap-up signal will be interpreted as a normal SET signal. The cruise control will not accept a tap-up target
speed above 155 kph (96 mph). If the actual speed has fallen 16.1 kph (10 mph) below the target speed, tap-up signals are not accepted.
Tap-Down
If the cruise control is already set and SET is selected for between 10 and 300 milliseconds, the target speed will decrease by 2 kph for each time that
SET was selected (or tapped). Tap-down signals will not be accepted for a target speed below 38.6 kph (24 mph). If the vehicle speed has increased to 8
kph (5 mph) over the target speed, the cruise control system will interpret a tap-down signal as a SET.
If the cruise control is turned OFF with the main switch, all cruise control functions are stopped, the actuator cable is driven toward idle, and the
electromagnetic clutch for the cable actuator is opened. The cable actuator clutch is not opened immediately to accomplish a smooth transition in vehicle
speed. If the cruise control is off for more than 5 seconds, the memorized target speed is erased.
