Nissan Qashqai J11. Manual — part 467
COMPONENT PARTS
EC9-23
< SYSTEM DESCRIPTION >
[R9M]
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Malfunction Indicator Lamp
INFOID:0000000010308959
The malfunction indicator Lamp (MIL) is located on the combination
meter. The MIL will illuminate when the ignition switch is turned ON
without the engine running (bulb check).
When the engine is started, the MIL should turn OFF. If the MIL
remains illuminated, the on board diagnostic system has detected an
engine system malfunction.
Information Display
INFOID:0000000010308960
The operation mode of the ASCD and speed limiter are indicated on the information display in the combination
meter.
ECM transmits the status signal to the combination meter via CAN communication according to ASCD and
speed limiter operation.
DC/DC Converter
INFOID:0000000010308962
The DC/DC converter is installed at the back of the glove box
assembly and supplies power to the electrical equipment.
This converter is connected to ECM via the engine communication
line and includes an internal voltage converter. When restarting the
vehicle from the stop/start system operating condition, the voltage
converter boosts the voltage conveyed from the battery and provides
stable power to the electrical equipment to prevent reset from occur-
ring. For further details, refer to
System Description (M/T models)"
or
TEM : System Description (CVT models)"
.
Engine Restart Relay
INFOID:0000000010308963
The engine restart relay is installed in the relay box and controlled by ECM when restarting the engine during
the stop/start system operation.
Engine Restart Bypass Control Relay
INFOID:0000000010308964
The engine restart bypass control relay is controlled by ECM and controls the engine restart bypass relay.
Engine Restart Bypass Relay
INFOID:0000000010308965
The engine restart bypass relay reduces battery voltage drop right
after the starter motor activation at an engine restart by switching the
electric circuit of the starter motor. For details, refer to
"STOP/START SYSTEM : System Description (M/T models)"
or
EC9-47, "STOP/START SYSTEM : System Description (CVT mod-
els)"
.
Hood Switch
INFOID:0000000010308970
Hood switch is located around radiator core support. Hood switch detects open/close condition of hood and
input the hood switch signal to IPDM E/R.
JPNIA1882ZZ
JSBIA4574ZZ
JSBIA1994ZZ
EC9-24
< SYSTEM DESCRIPTION >
[R9M]
COMPONENT PARTS
Stop/Start Indicator Lamp
INFOID:0000000010308971
The stop/start indicator lamp is located on the combination meter.
The stop/start indicator lamp turns ON when the stop/start system is
operating.
When a malfunction is detected in the stop/start system, the stop/
start indicator lamp blinks at a slow speed to alert the driver to the
malfunction. When a driver
′
s operation is judged as dangerous one
during stop/start system operation, the stop/start indicator lamp
blinks at a high speed.
Stop/Start indicator lamp status
*1: Only in models with M/T
*2: Engine is stalled after alert for 1.5 seconds.
Stop/Start OFF Switch
INFOID:0000000010308972
The stop/start OFF switch is mounted on the switch panel of the
driver side lower instrument panel. When the stop/start OFF switch
is pressed, the indicator lump turns ON and the stop/start system
can be deactivated.
For further details, refer to
.
JPBIA4266ZZ
System condition
Condition
Stop/start indicator lamp
Warning chime
Operate
Normal
Illuminate
—
Door (driver side) open
and seat belt released
*1
High speed blinking
Sound
Hood open
High speed blinking
*2
Sound
*2
Fail-Safe
Starter motor operation
counter: too much
Slow speed blinking
—
Malfunction of stop/start
system
Slow speed blinking
—
JSBIA4078ZZ
SYSTEM
EC9-25
< SYSTEM DESCRIPTION >
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SYSTEM
ENGINE CONTROL SYSTEM
ENGINE CONTROL SYSTEM : System Diagram
INFOID:0000000010308973
ENGINE CONTROL SYSTEM : Vacuum Hose Drawing
INFOID:0000000010308974
For vacuum hose drawing, refer to
.
JSBIA5033GB
EC9-26
< SYSTEM DESCRIPTION >
[R9M]
SYSTEM
ENGINE CONTROL SYSTEM : System Description
INFOID:0000000010308975
ECM controls the engine by various functions.
ENGINE SPEED CONTROL
ENGINE SPEED CONTROL : System Description
INFOID:0000000010308976
SYSTEM DESCRIPTION
The engine speed control consists of the following functions:
• Curative anti-jerk
• Idle speed control
• Engine speed limitation
• Engine state
CURATIVE ANTI-JERK
This function aims to smooth the engine speed through torque corrections out of idle engine speed regulation.
The torque correction is made by the anti-jerk function to damp the engine speed vibrations caused by the
drive-line vibrations.
IDLE SPEED CONTROL
ECM calculates the engine idle speed set point and maintains the engine speed in order to follow the set point.
The engine idle speed set-point is computed for the following load and signal:
• Post treatment
- Diesel particulate filter
• Electric consumers
- Cooling fan
- Air heater (air conditioning system)
Function
Reference
Engine speed control
EC9-26, "ENGINE SPEED CONTROL : System Description"
Powertrain coordination control
EC9-27, "POWERTRAIN COORDINATION CONTROL : System
Description"
Turbocharger boost control
EC9-28, "TURBOCHARGER BOOST CONTROL : System De-
scription"
EGR system
EC9-28, "EGR SYSTEM : System Description"
Throttle control
EC9-29, "THROTTLE CONTROL : System Description"
Swirl control system
EC9-29, "SWIRL CONTROL SYSTEM : System Description"
Engine torque control
EC9-30, "ENGINE TORQUE CONTROL : System Description"
Combustion control
EC9-32, "COMBUSTION CONTROL : System Description"
After treatment system
EC9-34, "AFTER TREATMENT SYSTEM : System Description"
Cooling fan control
EC9-34, "COOLING FAN CONTROL : System Description"
Thermostat control
EC9-35, "THERMOSTAT CONTROL : System Description"
Glow control
EC9-35, "GLOW CONTROL : System Description"
ASCD (Automatic Speed Control Device)
EC9-36, "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : Sys-
tem Description"
Speed limiter
EC9-36, "SPEED LIMITER : System Description"
Gear shift indicator system
EC9-38, "GEAR SHIFT INDICATOR SYSTEM : System Descrip-
tion"
Stop/start system
EC9-39, "STOP/START SYSTEM : System Description (M/T mod-
els)"
,
EC9-47, "STOP/START SYSTEM : System Description (CVT mod-
els)"
Energy management system
EC9-54, "ENERGY MANAGEMENT SYSTEM : System Descrip-
tion"
CAN communication
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