Mitsubishi Grandis. Manual — part 803

AUTO-CRUISE CONTROL

ENGINE AND EMISSION CONTROL

17-53

ON-VEHICLE SERVICE

AUTO-CRUISE CONTROL SWITCH
CHECK

M1172001200098

AUTO-CRUISE CONTROL MAIN SWITCH
CHECK

1. Turn the ignition switch to ON position.

2. Check that the auto-cruise control indicator lamp

within the combination meter illuminates when the
MAIN switch is switched ON.

113

Throttle position
sensor (sub)

• Remove the intake air hose at

the throttle body

• Disconnect the throttle position

sensor, and then connect
terminal numbers No. 3, No. 4,
No. 5 and No. 6 with the use of
the special tool (MB991658).

• Ignition switch: "ON"

Fully close the
throttle valve
with your finger

2.2

− 2.8 V

Fully open the
throttle valve
with your finger

4.0 V or more

114

Accelerator pedal
position sensor
(main)

Ignition
switch: "ON"

Release the accelerator pedal

0.9

− 1.2 V

Depress the accelerator pedal.

4.0 V or more

115

Throttle position
sensor (main)

• Remove the intake air hose at

the throttle body

• Disconnect the throttle position

sensor, and then connect
terminal numbers No. 3, No. 4,
No. 5 and No. 6 with the use of
the special tool (MB991658).

• Ignition switch: "ON"

Fully close the
throttle valve
with your finger

0.3

− 0.7 V

Fully open the
throttle valve
with your finger

4.0 V or more

132

Engine-ECU <M/T>
or Engine-A/T-ECU
<A/T> power supply
voltage applied to
throttle valve control
servo

Ignition switch: "ON"

System voltage

Terminal
No.

Check item

Check conditions

Normal
condition

AC311410

AC311198

MAIN switch: ON

Auto-cruise control
indicator lamp

AUTO-CRUISE CONTROL

ENGINE AND EMISSION CONTROL

17-54

AUTO-CRUISE CONTROL SETTING

1. Switch ON the MAIN switch.
2. Drive at the desired speed within the range of

approximately 40

− 200 km/h.

3. Push the auto-cruise control switch in the

direction of arrow.

4. Check to be sure that when the switch is released

the speed is the desired constant speed.
NOTE: If the vehicles speed decreases to
approximately 15 km/h below the set speed
because of climbing a hill for example, the
auto-cruise control will be cancelled.

SPEED-INCREASE SETTING

1. Set to the desired speed.

2. Push the auto-cruise control switch in the

direction of arrow.

3. Check to be sure that acceleration continues

while the switch is hold, and that when it is
released the constant speed at the time when it
was released becomes the driving speed.
NOTE: Acceleration can be continued even if the
vehicle speed has passed the high-speed limit
(approximately 200 km/h). But the speed when
the auto-cruise control switch is released will be
recorded as the high-speed limit.

SPEED-REDUCTION SETTING

1. Set to the desired speed.

2. Push the auto-cruise control switch in the

direction of arrow.

3. Check to be sure that deceleration continues

while the switch is pressed, and that when it is
released the constant speed at the time when it
was released becomes the driving speed.
NOTE: When the vehicle speed reaches the low
limit (approximately 40 km/h) during deceleration,
the auto-cruise control will be cancelled.

RETURN TO THE SET SPEED BEFORE
CANCELLATION AND AUTO-CRUISE
CONTROL CANCELLATION

1. Set the auto-cruise speed control.
2. When any of the following operations are

performed while at constant speed during
auto-cruise control, check if normal driving is
resumed and deceleration occurs.

(1) The auto-cruise control switch is pulled in the

direction of arrow.

(2) The brake pedal is depressed.
(3) The selector lever is moved to the "N" range.

AC310956

AC310954

AC310955

AC310956

AC310957

AUTO-CRUISE CONTROL

ENGINE AND EMISSION CONTROL

17-55

3. When the auto-cruise control switch is pushed in

the direction of arrow at a vehicle speed of 40
km/h or higher, check if the vehicle speed returns
to the speed before auto-cruise control driving
was cancelled, and constant speed driving
occurs.

4. When the MAIN switch is turned to OFF while

driving at constant speed, check if normal driving
is resumed and deceleration occurs.

AUTO-CRUISE CONTROL SYSTEM
COMPONENT CHECK

M1172001700424

AUTO-CRUISE CONTROL SWITCH
CHECK

1. Remove the auto-cruise control switch. (Refer to

P.17-56

2. Measure the resistance between the terminals

when each of the SET, RESUME, CANCEL and
MAIN switches is pressed. If the values measured
at the time correspond to those in the table below,
then there is no problem.

STOP LAMP SWITCH

1. Disconnect the connector.

2. Check for continuity between the terminals of the

switch.

CLUTCH SWITCH <M/T>

Refer to GROUP 21A, On-vehicle Service

− Clutch

Pedal Switch Check and Adjustment

P.21A-4

INHIBITOR SWITCH ("N" POSITION)
<A/T>

Refer to GROUP 23A, On-vehicle Service

− A/T