2010 NISSAN LATIO Service Repair Manual

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Page 1785 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-520
< SERVICE INFORMATION >[MR18DE]
ENGINE CONTROL SYSTEM
*: This signal is sent to the ECM through CAN communication line.
SYSTEM DESCRIPTION
If the engine speed is above 2,400 rpm under no load [

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NISSAN LATIO 2010 Service Repair Manual AIR CONDITIONING CUT CONTROLEC-521
< SERVICE INFORMATION > [MR18DE]
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AIR CONDITIONING
CUT CONTROL
Input/Output Signal ChartINFOID:0000000005532384
*1: This signal is se

Page 1787 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-522
< SERVICE INFORMATION >[MR18DE]
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
System DescriptionINFOID:0000000005532386
INPUT/OUTPUT SIGNAL CHART
*: This signal is

EC-522
< SERVICE INFORMATION >[MR18DE]
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
System DescriptionINFOID:0000000005532386
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM through CAN communication line.
BASIC ASCD SYSTEM
Refer to Owner's Manual for ASCD operating instructions.
Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at predetermined constant speed
without depressing accelerator pedal. Driver can set
vehicle speed in advance between approximately 40 km/
h (25 MPH) and 144 km/h (89 MPH).
ECM controls throttle angle of electric thro ttle control actuator to regulate engine speed.
Operation status of ASCD is indicated by CRUISE indi cator and SET indicator in combination meter. If any
malfunction occurs in ASCD system, it automatically deactivates control.
NOTE:
Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws.
SET OPERATION
Press MAIN switch. (The 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/COAST switch. (Then SET indi cator in combination meter illuminates.)
ACCELERATE OPERATION
If the RESUME/ACCELERATE 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
When any of following conditions exist, cruise operation will be canceled.
• CANCEL switch is pressed
• More than two switches at ASCD steering switch are pressed at the same time (Set speed will be cleared)
• Brake pedal is depressed
• Clutch pedal is depressed or gear position is changed to the neutral position (M/T models)
• Selector lever is changed to N, P, R position (A/T and CVT models)
• Vehicle speed decreased to 13 km/h (8 MPH) lower than the set speed
When the ECM detects any of the following conditions, the ECM will cancel the cruise operation and inform
the driver by blinking indicator lamp.
• Engine coolant temperature is slightly higher than the normal operating temperature, CRUISE lamp may
blink slowly.
When the engine coolant temperature decreases to the normal operating temperature, CRUISE lamp will
stop blinking and the cruise operation will be able to work by pressing SET/COAST switch or RESUME/
ACCELERATE switch.
• Malfunction for some self-diagnoses regarding ASCD control: SET lamp will blink quickly.
If MAIN switch is turned to OFF during ASCD is activated, all of ASCD operations will be canceled and vehicle
speed memory will be erased.
COAST OPERATION
Sensor Input signal to ECM ECM functionActuator
ASCD brake switch Brake pedal operation
ASCD vehicle speed controlElectric throttle control
actuator
Stop lamp switch
Brake pedal operation
ASCD clutch switch (M/T models) Clutch pedal operation
ASCD steering switch ASCD steering switch operation
Park/neutral position (PNP) signal Gear position
ABS actuator and electric unit (con-
trol unit) Vehicle speed*
Combination meter
TCM Powertrain revolution*
Revision: January 20102010 Versa

Page 1788 of 3745

NISSAN LATIO 2010 Service Repair Manual AUTOMATIC SPEED CONTROL DEVICE (ASCD)EC-523
< SERVICE INFORMATION > [MR18DE]
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When the SET/COAST switch is depressed during cruise
control driving, decrease vehicle set

Page 1789 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-524
< SERVICE INFORMATION >[MR18DE]
CAN COMMUNICATION
CAN COMMUNICATION
System DescriptionINFOID:0000000005532388
CAN (Controller Area Network) is a serial communication line for real time applicat

Page 1790 of 3745

NISSAN LATIO 2010 Service Repair Manual EVAPORATIVE EMISSION SYSTEMEC-525
< SERVICE INFORMATION > [MR18DE]
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EVAPORATIVE EMISSION SYSTEM
DescriptionINFOID:0000000005532389
SYSTEM DESCRIPTION
The evaporative emi

Page 1791 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-526
< SERVICE INFORMATION >[MR18DE]
EVAPORATIVE EMISSION SYSTEM
NOTE: Do not use soapy water or any type of so
lvent while installing vacuum hose or purge hoses.
:Vehicle front
:From next figure
1.

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NISSAN LATIO 2010 Service Repair Manual EVAPORATIVE EMISSION SYSTEMEC-527
< SERVICE INFORMATION > [MR18DE]
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Component InspectionINFOID:0000000005532390
EVAP CANISTER
(A): To previous figure
1. EVAP control sys

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