Nissan X-Trail 32. Manual — part 933
SYSTEM
EC-861
< SYSTEM DESCRIPTION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
*2: When the selector lever is shifted from R position to D position.
*3: If ABS system is activated, drive the vehicle at 12 km/h (7.5 MPH) or more after stop the vehicle.
CAUTION:
• The stop/start system may be cancelled when the battery is weak or if a battery other than the stop/
start system specific battery is used.
• Even though the vehicle is in above conditions, the stop/start system may be cancelled automati-
cally.
Refer to
EC-810, "Precaution for Stop/Start System Service"
Stop/Start Operation Condition
When the following conditions are satisfied, ECM stops the engine. And the combination meter turns ON a
stop/start indicator lamp.
*: The condition are not used in P range.
Restart Condition
When any of the following conditions is satisfied during stop/start system operating condition, ECM restarts
the engine. And the combination meter turns OFF the stop/start indicator lamp.
RELATIONSHIP BETWEEN VEHICLE CONDITION AND RESTART TIMING
Item
Condition
Vehicle
Vehicle speed
Vehicle stopped [0 km/h (0 MPH)]
Steering wheel
Not steer (steering force does not occur)
Brake pedal
*
Depressed
Brake fluid pressure
*
0.8 MPa (8 bar, 8.16 kg/cm
2
, 116 psi)
Brake booster pressure
Presence of sufficient negative pressure to a brake-
force.
Vehicle angularity
Approx. 14% or less
Engine
Engine speed
Around idle speed (Approx. 850 rpm or less)
Transmission
Selector lever position
P, D or N
Item
Condition
Stop/start OFF switch
ON (Switch indicator ON)
Vehicle
Steering wheel
Steered (steering force occurs)
Door (driver side)
Open
Seat belt
Released
Driving history
Passes Approx. 3 minutes after stop/start system
activation
Air conditioning
Automatic air conditioning
DEF switch is pressed.
Air conditioning system cannot keep the perfor-
mance. (Refer to
CONDITIONING SYSTEM : System Description"
.)
Manual air conditioning
Mode dial is in DEF position.
Brake
Brake booster pressure
Insufficient negative pressure for braking force
Brake fluid pressure
0.4 MPa (4 bar, 4.08 kg/cm
2
, 58 psi)
Accelerator pedal
Conditions differ according to shift position. For
details, see RELATIONSHIP BETWEEN VEHI-
CLE CONDITION AND RESTART TIMING.
Selector lever
Vehicle speed
2 km/h (1.3 MPH) or more
Intelligent parking assist
Intelligent parking assist is activated.
Battery
Poor battery performance
(for details, refer to
MENT SYSTEM : System Description"
.)
EC-862
< SYSTEM DESCRIPTION >
[R9M]
SYSTEM
P Position
• STOP/START system operation performs when the selector lever is shifted from P position.
• STOP/START system operation by the brake pedal and accelerator pedal operation in the select lever P
position.
*: When the brake pedal and accelerator pedal are depressed simultaneously, the engine keeps on running.
N Position
• STOP/START system operation performs when the selector lever is shifted from N position.
• STOP/START system operation by the brake pedal and accelerator pedal operation in the select lever N
position.
*: When the brake pedal and accelerator pedal are depressed simultaneously, the engine keeps on running.
D Position
• STOP/START system operation performs when the selector lever is shifted from D position.
• STOP/START system operation by the brake pedal and accelerator pedal operation in the select lever D
position.
When driving the vehicle at Approx. 10 km/h or less after restart
When driving the vehicle at Approx. 10 km/h or more after restart
EARLY START-UP CONTROL
ECM detects engine reverse revolution based on the crankshaft position sensor (POS) when the stop/start
system is activated and judges a piston position on engine stop to reduce the time for restarting the engine.
VOLTAGE STABILIZER FUNCTION
ECM transmits a voltage stabilizer signal to the DC/DC converter during cranking at an engine restart. The
DC/DC converter temporarily increases the voltage to prevent the electric equipment from reset due to low
Selector lever position
P
→
R
→
N
→
D
Engine status
Stop
→
Restart
→
Stop
→
Restart
Vehicle speed
0 km/h (0 MPH)
Brake pedal
ON
→
OFF
Accelerator pedal
OFF
→
ON
→
OFF
→
ON
*
→
OFF
Engine status
Stop
Restart
Stop
Restart
Stop
Selector lever position
P
←
R
←
N
→
D
Engine status
Stop
←
Restart
←
Stop
→
Restart
Vehicle speed
0 km/h (0 MPH)
Brake pedal
ON
→
OFF
→
ON
Accelerator pedal
OFF
→
ON
→
OFF
→
ON
*
→
OFF
Engine status
Stop
Restart
Stop
Restart
Run
Stop
Selector lever position
P
←
R
←
N
←
D
Engine status
Stop
←
Restart
←
Stop
←
Stop
Vehicle speed
0 km/h
10 km/h (7 MPH) or less
0 km/h
Brake pedal
ON
→
OFF
→
ON
Accelerator pedal
OFF
→
ON
→
OFF
→
ON
→
OFF
Engine status
Stop
Restart
Run
Vehicle speed
0 km/h
10 km/h (7 MPH) or more
0 km/h
Brake pedal
ON
→
OFF
→
ON
Accelerator pedal
OFF
→
ON
→
OFF
→
ON
→
OFF
Engine status
Stop
Restart
Run
Stop
SYSTEM
EC-863
< SYSTEM DESCRIPTION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
voltage. The adoption of the DC/DC converter enables a stable power supply to the electric equipment con-
nected to the DC/DC converter and permits a substantial lowering of the voltage. For the electrical equipment
connected to the DC/DC converter, see “SYSTEM DIAGRAM”.
NOTE:
The brightness of the head lamps may be changed due to the voltage reduction at an engine restart because
they are not connected to the DC/DC converter.
ENGINE RESTART BYPASS RELAY CONTROL
ECM controls the engine restart bypass control relay and activates
the engine restart bypass relay. When the restart conditions are sat-
isfied, ECM turns ON the engine restart bypass control relay instan-
taneously right after the restart and opens the engine restart bypass
relay. This allows a current to pass the inner resistance circuit right
after the starter motor is activated. When the starter motor is rotat-
ing, the voltage is directly supplied to the starter motor without being
passed through the inner resistance circuit in the engine restart
bypass relay because the engine restart bypass relay is closed. In
this way, ECM enables the battery voltage stabilization and reduces
the battery deterioration rate by decreasing the battery voltage drop
resulted from clanking at an engine restart.
ENERGY MANAGEMENT SYSTEM
ENERGY MANAGEMENT SYSTEM : System Description
INFOID:0000000010935578
DESCRIPTION
ECM transmits a target power generation voltage signal received from IPDM E/R to the generator via LIN
communication.
The generator includes a self-diagnosis function and transmits a diagnosis signal to ECM via LIN communica-
tion when detecting a malfunction. When ECM receives a diagnosis signal, ECM detects DTC and transmits a
charge warning lamp request signal to the combination meter to turn ON the charge warning lamp.
For details of ENERGY MANAGEMENT SYSTEM, refer to
CHG-8, "ENERGY MANAGEMENT SYSTEM :
INFORMATION DISPLAY (COMBINATION METER)
JSBIA1709GB
JSBIA1710GB
EC-864
< SYSTEM DESCRIPTION >
[R9M]
SYSTEM
INFORMATION DISPLAY (COMBINATION METER) : Indicator/Information
INFOID:0000000011010025
Item
Symbol
Function
ASCD indicator
For detail of ASCD function, refer to
TOMATIC SPEED CONTROL DEVICE (ASCD) :
System Description"
.
Massage: - - Km/h / - - MPH
Speed limiter indicator
For detail of speed limiter function, refer to
"SPEED LIMITER : System Description"
.
Massage: - - Km/h / - - MPH
Gear shift indicator
For detail of Gear shift indicator system, refer to
EC-847, "GEAR SHIFT INDICATOR SYSTEM :
System Description"
.
Stop/Start status indicator
Indicates the status of stop/start system operation.
• ON: Stop/start system ON. (Engine stopped)
• OFF: Stop/start system is OFF. (Engine restart or
running)
For detail of Stop/Start status indicator function, re-
fer to
EC-848, "STOP/START SYSTEM : System
"STOP/START SYSTEM : System Description
(CVT models)"
(CVT models).
Massage:
• ON
• OFF
JSCIA0831ZZ
JSCIA0832ZZ
JSCIA0915ZZ
JSBIA4032GB
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