Nissan Qashqai J11. Manual — part 369
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< SYSTEM DESCRIPTION >
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SYSTEM
OIL CONTROL SYSTEM : System Description
INFOID:0000000010471231
DESCRIPTION
ECM calculates oil degradation based on engine speed and vehicle speed, and displays engine oil change
timing on combination meter.
When the mileage before engine oil change comes to approximately 1500 km or less, pre-alert message is
displayed to inform the driver that the maintenance timing is close as shown in the following table.
At oil change, the mileage must be reset using combination meter function. For how to reset, refer to
NOTE:
• Alerted mileage might be different from actual mileage.
• The level of oil deterioration may be increased depending on the status of vehicle use (e.g. frequent short-
distance driving and engine start).
ECM calculates two types of oil deterioration
• Oxidation
• Dilution
Calculating oxidation of engine oil
Based on engine speed, ECM calculates the degree of oxidation of oxidation by adding correction value calcu-
lated from engine oil temperature and so on.
Calculating dilution of engine oil
ECM calculates the degree of dilution, based on air temperature, injection quantity at post-injection, the num-
ber of regeneration and so on.
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
AUTOMATIC SPEED CONTROL DEVICE (ASCD) : System Description
INFOID:0000000010289655
BASIC ASCD SYSTEM
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 180 km/h (119 MPH).
ECM controls fuel injector to regulate engine speed.
Operation status of ASCD is indicated on the information display in the combination meter. If any malfunction
occurs in ASCD system, it automatically deactivates control.
NOTE:
Always drive vehicle in a safe manner according to traffic conditions and obey all traffic laws.
SET OPERATION
Press ASCD MAIN switch. (CRUISE indicated on the information display)
When vehicle speed reaches a desired speed between approximately 40 km/h (25 MPH) and 180 km/h (119
MPH), press SET/COAST switch. (SET indicated on the information display)
ACCELERATE OPERATION
If the RESUME/ACCELERATE switch is pressed 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 2 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 neutral position.
• Vehicle speed decreased under 15% of the set speed from the set speed.
• TCS system is operated.
When the ECM detects any of the following conditions, the ECM will cancel the cruise operation and inform
the driver by blinking indicator.
• Engine coolant temperature is slightly higher than the normal operating temperature, CRUISE indicator may
blink slowly.
SYSTEM
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When the engine coolant temperature decreases to the normal operating temperature, CRUISE indicator 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 indicator 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
When the SET/COAST switch is pressed during cruise control driving, decrease vehicle set speed until the
switch is released. And then ASCD will keep the new set speed.
RESUME OPERATION
When the RESUME/ACCELERATE switch is pressed after cancel operation other than pressing ASCD MAIN
switch is performed, vehicle speed will return to last set speed. To resume vehicle set speed, vehicle condition
must meet following conditions.
• Brake pedal is released
• Clutch pedal is released
• Vehicle speed is greater than 40 km/h (25 MPH) and less than 180 km/h (119 MPH)
SPEED LIMITER
SPEED LIMITER : System Description
INFOID:0000000010289656
BASIC SPEED LIMITER SYSTEM
The speed limiter is a system that enables to restrict the vehicle speed within the set speed that is selected by
the driver. Driver can set vehicle speed between 30 km/h and 180 km/h (in the metric system mode) or 20
MPH and 119 MPH (in the yard/pound system mode). ECM controls fuel injector to regulate vehicle speed.
Operation status of speed limiter is indicated on the information display in the combination meter. If any mal-
function occurs in speed limiter system, it automatically deactivates control.
NOTE:
Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws.
SET OPERATION
Press speed limiter MAIN switch. (LIMIT indicated on the information display)
By pressing the SET/COAST switch, the vehicle speed can be set within the range between 30 km/h (20
MPH) and 180 km/h (119 MPH). (SET and set speed is indicated on the information display)
When pressing the RESUME/ACCELERATE switch, the set speed can be increased.
When pressing the SET/COAST switch, the set speed can be decreased.
CANCEL OPERATION
When any of following conditions exist, speed limiter operation will be canceled.
• Speed limiter MAIN switch pressed (Set speed will be cleared)
• ASCD MAIN switch pressed (Set speed will be cleared)
• CANCEL switch is pressed
• Accelerator pedal is fully depressed (kickdown)
ECK-38
< SYSTEM DESCRIPTION >
[K9K]
SYSTEM
When the accelerator pedal is depressed within the range shown in the figure (A) below, the accelerator
pedal reaction force strengthens. Further depressing the accelerator pedal within the (C) range cancels the
speed limiter. This allows acceleration in emergencies.
RESUME OPERATION
After the speed limiter is released by other method than the MAIN switch, the RESUME/ACCELERATE switch
allows to set the vehicle speed again to the one that is previously set before releasing the speed limiter.
GEAR SHIFT INDICATOR SYSTEM
GEAR SHIFT INDICATOR SYSTEM : System Description
INFOID:0000000010505834
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
The gear shift indicator is controlled by ECM and indicates recommended gear shift timing on the combination
meter.
• Upward arrow indication (
↑
): Upshift recommendation
• Downward arrow indication (
↓
): Downshift recommendation
ECM calculates optimal gear shift timing for better fuel consumption, according to the input signal and a gear
ratio. In addition, the recommended gear shift timing is corrected, according to driver’s operation and road
conditions. ECM transmits a gear shift indicator signal to the combination meter via CAN communication line.
The gear shift indicator is deactivated when any of the following conditions is satisfied;
• Shift lever is in neutral position.
• Vehicle is under cruise control (ASCD function) or speed limit (speed limiter function).
• MIL (Malfunction Indicator Lamp) is indicated.
• ABS system or ESP system is operating.
STOP/START SYSTEM
JMBIA1518GB
JSBIA5004GB
SYSTEM
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STOP/START SYSTEM : System Description
INFOID:0000000010499029
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
JSBIA5071GB
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