Nissan Almera Tino V10. Instruction — part 610
EC-1266
[YD (WITHOUT EURO-OBD)]
ENGINE CONTROL SYSTEM
The ECM sends a fuel cut signal to the fuel injectors and fuel pump during deceleration for better fuel effi-
ciency. The ECM determines the time of deceleration according to signals from the accelerator pedal position
sensor and crankshaft position sensor.
Fuel Injection Timing Control System
EBS014SG
DESCRIPTION
The target fuel injection timing in accordance with the engine speed and the fuel injection amount are recorded
as a map in the ECM beforehand. The ECM determines the optimum injection timing using sensor signals
accordance with the map.
Air Conditioning Cut Control
EBS014SH
INPUT / OUTPUT SIGNAL CHART
*1: The input signal is sent to the ECM through CAN communication line.
*2: The output signal is sent from the ECM through CAN communication line.
SYSTEM DESCRIPTION
This system improves acceleration when the air conditioner is used.
When the accelerator pedal is fully depressed, the air conditioner is turned off for a few seconds.
When engine coolant temperature becomes excessively high, the air conditioner is turned off. This continues
until the engine coolant temperature returns to normal.
Fuel Cut Control (At No Load & High Engine Speed)
EBS014SI
INPUT/OUTPUT SIGNAL CHART
*: The input signal is sent to the ECM through CAN communication line.
If the engine speed is above 2,800 rpm under no load (for example, the shift position is neutral and engine
speed is over 2,800 rpm) fuel will be cut off after some time. The exact time when the fuel is cut off varies
based on engine speed. Fuel cut will be operated until the engine speed reaches 1,500 rpm, then fuel cut will
be cancelled.
NOTE:
This function is different from deceleration control listed under
EC-1264, "Fuel Injection Control Sys-
.
Sensor
Input Signal to ECM
ECM Function
Actuator
Air conditioner switch*
1
Air conditioner ON signal
Air conditioner cut
control
Air conditioner relay*
2
Accelerator pedal position sensor
Accelerator pedal opening angle
Vehicle speed sensor*
1
Vehicle speed
Engine coolant temperature sensor
Engine coolant temperature
Sensor
Input Signal to ECM
ECM Function
Actuator
Vehicle speed sensor*
Vehicle speed
Fuel cut control
Fuel injector
Accelerator pedal position sensor
Accelerator pedal position
Crankshaft position sensor
Engine speed
ENGINE CONTROL SYSTEM
EC-1267
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Crankcase Ventilation System
EBS014SJ
DESCRIPTION
In this system, blow-by gas is sucked into the air duct after oil separation by oil separator in the rocker cover.
INSPECTION
Ventilation Hose
1.
Check hoses and hose connections for leaks.
2.
Disconnect all hoses and clean with compressed air. If any hose
cannot be freed of obstructions, replace.
CAN Communication
EBS014SK
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
MODELS WITH ESP
System diagram
MBIB0621E
SEC692
YEL466E
EC-1268
[YD (WITHOUT EURO-OBD)]
ENGINE CONTROL SYSTEM
Input/output signal chart
T: Transmit R: Receive
MODELS WITHOUT ESP
System diagram
Input/output signal chart
T: Transmit R: Receive
Signals
ECM
ESP/TCS/ABS
control unit
Smart entrance
control unit
Steering angle
sensor
Combination
meter
Engine speed signal
T
R
R
Air conditioner switch signal
R
T
MI signal
T
R
Glow indicator lamp signal
T
R
Engine coolant temperature signal
T
R
Fuel consumption signal
T
R
Vehicle speed signal
T
R
R
T
Seat belt reminder signal
R
T
Headlamp switch signal
T
R
Flashing indicator signal
T
R
Engine cooling fan speed signal
T
R
Door switches state signal
T
R
A/C compressor signal
T
R
Accelerator pedal position signal
T
R
Steering angle sensor signal
R
T
ABS warning lamp signal
T
R
Slip indicator lamp signal
T
R
VDC off indicator lamp signal
T
R
Brake warning lamp signal
T
R
YEL469E
Signals
ECM
ABS actuator and
electric unit (con-
trol unit)
Smart entrance
control unit
Combination meter
Engine speed signal
T
R
Air conditioner switch signal
R
T
MI signal
T
R
Glow indicator lamp signal
T
R
Engine coolant temperature signal
T
R
Fuel consumption signal
T
R
ENGINE CONTROL SYSTEM
EC-1269
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Vehicle speed signal
T
R
R
T
Seat belt reminder signal
R
T
Headlamp switch signal
T
R
Flashing indicator signal
T
R
Engine cooling fan speed signal
T
R
Door switches state signal
T
R
A/C compressor signal
T
R
ABS operation signal
T
R
ABS warning lamp signal
T
R
Signals
ECM
ABS actuator and
electric unit (con-
trol unit)
Smart entrance
control unit
Combination meter
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст