Nissan Juke F15. Instruction — part 313
SYSTEM
EC-65
< SYSTEM DESCRIPTION >
[MR FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
COOLING FAN CONTROL : System Description
INFOID:0000000012197685
INPUT/OUTPUT SIGNAL CHART
*: The ECM determines the start signal status by the signals of engine speed and battery voltage.
SYSTEM DESCRIPTION
ECM controls cooling fan speed corresponding to vehicle speed, engine coolant temperature, A/C ON signal
and refrigerant pressure.
Cooling fan control signal is sent to IPDM E/R from ECM by CAN communication line. Then, IPDM E/R sends
ON/OFF pulse duty signal to cooling fan control module. Corresponding to this ON/OFF pulse duty signal,
cooling fan control module gives cooling fan motor operating voltage to cooling fan motors. Cooling fan speed
is controlled by duty cycle of cooling fan motor operating voltage sent from cooling fan control module.
STARTER MOTOR DRIVE CONTROL
STARTER MOTOR DRIVE CONTROL : System Diagram
INFOID:0000000012197686
STARTER MOTOR DRIVE CONTROL : System Description
INFOID:0000000012197687
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed
*
Cooling fan
control
IPDM E/R
↓
Cooling fan control mod-
ule
↓
Cooling fan motor
Camshaft position sensor (PHASE)
Engine coolant temperature sensor
Engine coolant temperature
Refrigerant pressure sensor
Refrigerant pressure
Battery
Battery voltage
*
Combination meter
CAN commu-
nication
Vehicle speed signal
BCM
CAN commu-
nication
A/C ON signal
A/C evaporator temper-
ature*
Target A/C evaporator
temperature*
Blower fan ON signal*
JSBIA5976GB
EC-66
< SYSTEM DESCRIPTION >
[MR FOR NISMO RS MODELS]
SYSTEM
SYSTEM DESCRIPTION
When rapid deceleration occurs during engine runs or idle speed decreases due to heavy load conditions,
ECM detects a decrease in idle speed and restarts the engine to secure reliability in handleability by transmit-
ting a cranking request signal to IPDM E/R for activating the starter motor under the following conditions:
• Selector lever: P or any position other than N
• Idle switch: ON (Accelerator pedal not depressed)
• Brake switch: ON (Brake pedal depressed)
Models with the Intelligent Key System transmit a control signal to IPDM E/R by way of BCM via CAN commu-
nication.
IPDM E/R detects an operating state of the starter motor relay and the starter motor control relay and trans-
mits a feed back signal to ECM via CAN Communication.
EVAPORATIVE EMISSION SYSTEM
EVAPORATIVE EMISSION SYSTEM : System Diagram
INFOID:0000000012197688
EVAPORATIVE EMISSION SYSTEM : System Description
INFOID:0000000012197689
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
• Engine speed
• Piston position
Starter motor
drive control
• BCM
• IPDM E/R
(Starter relay & start-
er control relay)
Camshaft position sensor (PHASE)
Engine coolant temperature sensor
Engine coolant temperature
Accelerator pedal position sensor
Accelerator pedal position
Transmission range switch
Gear position
Stop lamp switch
Brake pedal position
Combination meter
CAN commu-
nication
Vehicle speed signal
JPBIA4896GB
SYSTEM
EC-67
< SYSTEM DESCRIPTION >
[MR FOR NISMO RS MODELS]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
*: ECM determines the start signal status by the signals of engine speed and battery voltage.
SYSTEM DESCRIPTION
The evaporative emission system is used to reduce hydrocarbons emitted into the atmosphere from the fuel
system. This reduction of hydrocarbons is accomplished by activated charcoals in the EVAP canister.
The fuel vapor in the sealed fuel tank is led into the EVAP canister which contains activated carbon and the
vapor is stored there when the engine is not operating or when refueling to the fuel tank.
The vapor in the EVAP canister is purged by the air through the purge line to the intake manifold when the
engine is operating. EVAP canister purge volume control solenoid valve is controlled by ECM. When the
engine operates, the flow rate of vapor controlled by EVAP canister purge volume control solenoid valve is
proportionally regulated as the air flow increases.
EVAP canister purge volume control solenoid valve also shuts off the vapor purge line during decelerating.
ALTERNATOR POWER GENERATION VOLTAGE VARIABLE CONTROL SYS-
TEM
ALTERNATOR POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM :
System Description
INFOID:0000000012567241
The alternator power generation voltage variable control system controls the amount of power generation,
according to a battery loaded condition. ECM judges a battery condition, according to a signal received from
the battery current sensor which detects a charge/discharge current. ECM then transmits a signal to IPDM E/
R to command power generation via CAN communication. IPDM E/R transmits a power generation control sig-
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
• Engine speed*
• Piston position
EVAP canister
purge flow control
EVAP canister purge vol-
ume control solenoid valve
Camshaft position sensor (PHASE)
Mass air flow sensor
Amount of intake air
Engine coolant temperature sensor
Engine coolant temperature
Air fuel ratio (A/F) sensor 1
Density of oxygen in exhaust gas
(Mixture ratio feedback signal)
Throttle position sensor
Throttle position
Accelerator pedal position sensor
Accelerator pedal position
Battery
Battery voltage*
Fuel tank temperature sensor
Fuel temperature in fuel tank
EVAP control system pressure sensor
Pressure in purge line
Combination meter
CAN
commu-
nication
Vehicle speed
PBIB3639E
EC-68
< SYSTEM DESCRIPTION >
[MR FOR NISMO RS MODELS]
SYSTEM
nal to the alternator so that the system can control the amount of power generation. The voltage of power gen-
eration is lowered during battery low-load conditions and boosted under heavy load conditions. In this way, the
system reduces the engine load through the adequate power generation control.
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
AUTOMATIC SPEED CONTROL DEVICE (ASCD) : System Diagram
INFOID:0000000012197690
AUTOMATIC SPEED CONTROL DEVICE (ASCD) : System Description
INFOID:0000000012197691
INPUT/OUTPUT SIGNAL CHART
*1: M/T models
*2: CVT models
BASIC ASCD SYSTEM
Refer to Owner's Instruction 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 (90 MPH).
ECM controls throttle 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.
EC-71, "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : Switch Name and Function"
for ASCD
operating instructions.
NOTE:
Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws.
INTEGRATED CONTROL SYSTEM
JPBIA4713GB
Sensor
Input signal to ECM
ECM function
Actuator
Brake pedal position switch
Brake pedal operation
ASCD vehicle speed
control
Electric throttle control
actuator
Stop lamp switch
Clutch pedal position switch
*1
Clutch pedal operation
ASCD steering switch
ASCD steering switch operation
Transmission range switch
*2
Gear position
Park/neutral position (PNP) switch
*1
Combination meter
CAN commu-
nication
Vehicle speed signal
TCM
*2
CAN commu-
nication
Output shaft revolution signal
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