Nissan Qashqai J11. Manual — part 476
ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC9-59
< SYSTEM DESCRIPTION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Diagnosis Description
INFOID:0000000010308998
DESCRIPTION
This system uses two malfunction indicator lamps. When detecting a system error, ECM turns ON the mal-
function indicator lamp to alert the driver of the presence of malfunction.
MALFUNCTION INDICATOR LAMP (MIL) (YELLOW)
ECM turns ON MIL (yellow) when an emission-related malfunction occurs or when a component part specified
by European laws and regulations becomes inoperable three trips in a raw.
MALFUNCTION INDICATOR LAMP (MIL) (RED)
ECM may turn ON MIL (red) when a malfunction occurs in the engine.
EC9-60
< SYSTEM DESCRIPTION >
[R9M]
DIAGNOSIS SYSTEM (ECM)
DIAGNOSIS SYSTEM (ECM)
CONSULT Function
INFOID:0000000010308999
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
• Diagnostic trouble codes
SELF-DIAGNOSTIC MODE
Self Diagnostic Item
Regarding items detected in “SELF-DIAG RESULTS” mode, refer to —
.
Freeze Frame Data and 1st Trip Freeze Frame Data
Diagnostic test mode
Function
Self-diagnostic results
Self-diagnostic results such as DTC can be read and erased quickly.*
Data monitor
Input/Output data in the ECM can be read.
Work support
This mode enables a technician to adjust some devices faster and more accurately by following
the indications on the CONSULT unit.
Active test
Diagnostic Test Mode in which CONSULT drives some actuators apart from the ECMs and also
shifts some parameters in a specified range.
ECU identification
ECM part number and homologation number can be read.
Configuration
This function is used to store vehicle specifications to ECM after ECM replacement.
Item
*
Unit
Remarks
CONSULT screen terms
Full spell
WATER TEMP
Water temperature
°
C or
°
F
ENGINE SPEED
Engine speed
rpm
VEHICLE SPEED
Vehicle speed
km/h or mph
ENGINE TORQUE
Engine torque
Nm
COMPUTER SUPPLY VOLT-
AGE
Computer supply voltage
V
RAIL PRES SET
Rail pressure setting
bar
RAIL PRESSURE
Rail pressure
bar
FUEL FLOW S/V CURRENT
Fuel flow solenoid valve current
mA
FLOW REGULATOR CUR-
RENT REFERENCE VALUE
Flow regulator current reference value
mA
RAIL PRESS SEN VOLT
Rail pressure sensor voltage
mV
FUEL FLOW
Fuel flow
mg/cp
ADDITIONAL INFO FDE1
Additional information FDE1
—
ADDITIONAL INFO FDE2
Additional information FDE2
—
ADDITIONAL INFO FD62
Additional information FD62
deg Crs
ADDITIONAL INFO FDE3
Additional information FDE3
deg Crs
ADDITIONAL INFO FD61
Additional information FD61
deg Crs
BOOST PRESSURE
Boost pressure
mbar
BOOST PRESS REF VALUE
Boost pressure reference value
hpa
MEASURE AIR FLOW
Measured air flow
kg/h
TURBOCHARGING SOLE-
NOID VALVE OCR
Turbocharging solenoid valve OCR
%
DIAGNOSIS SYSTEM (ECM)
EC9-61
< SYSTEM DESCRIPTION >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
DAMPER VALVE UP-
STREAM TEMPERATURE
Estimated inlet flap upstream tempera-
ture
°
C or
°
F
MANIFOLD PRESSURE
Manifold pressure
mbar
INLET AIR TEMPERATURE
Inlet air temperature
°
C or
°
F
CHARGED AIR TEMPERA-
TURE DOWN STREAM
Charged air temperature down stream
°
C or
°
F
EGR POSITION
EGR position
%
EST. AIR FLOW
Estimated air flow
mg/cp
INLET AIR FLOW
Inlet air flow
mg/cp
ATMOSPHERIC PRESSURE
Atmospheric pressure
mbar
TBN UPSTR PRS SEN VOLT
Turbine upstream pressure sensor volt-
age
mV
ROUGH TC PRESS
Rough turbocharging pressure
mbar
AIR INLET/F REL POS
Air inlet flap relative position
%
AIR INLET TEMP SEN VOLT
Air inlet temperature sensor voltage
mV
FUEL TEMPERATURE
Fuel temperature
°
C or
°
F
IN FLAP ABSO POSI
Air inlet flap absolute position
%
INLET/F SEN SUPPLY VOLT
Inlet flap sensor supply voltage
mV
DAMPER VALVE SEN VOLT
Damper valve sensor voltage
mV
DMPR VLV SET POS
Damper valve setpoint position
%
IN/FLAP CTRL
Inlet flap control
%
SEN 1 FEED V
Sensors No. 1 feed voltage
mV
ADDITIONAL INFO FDE7
Additional information FDE7
—
ADDITIONAL INFO FDE8
Additional information FDE8
mV
ADDITIONAL INFO FD47
Additional information FD47
mV
OXYGEN RATE
Oxygen rate
—
ADDITIONAL INFORMA-
TION FDE5
Additional information FDE5
—
ADDITIONAL INFO FD9C
Additional information FD9C
°
C or
°
F
ADDITIONAL INFO FDF0
Additional information FDF0
hPa
ADDITIONAL INFO FD9D
Additional information FD9D
—
ADDITIONAL INFO FDE6
Additional information FDE6
hPa
ALTERNATOR LOAD
Alternator load
%
AIR REGULATION CUT-OFF
CONDITIONS
Air regulation cut-off conditions
—
ADDITIONAL INFO 2069
Additional information 2069
Nm
SEN 2 FEED V
Sensors No. 2 feed voltage
mV
PL PTNMR T2 V
Pedal potentiometer track 2 voltage
mV
PL PTNMR T1 V
Pedal potentiometer track 1 voltage
mV
RAW FUEL PRESSURE
FROM SENSOR
Raw fuel pressure from sensor
bar
PWM OF FUEL PUMP AC-
TUATOR
PWM of fuel pump actuator
%
HEATER PLUG CONTROL
Heater plug control
%
EGR VALVE OPENING REF-
ERENCE
EGR valve opening reference
%
Item
*
Unit
Remarks
CONSULT screen terms
Full spell
EC9-62
< SYSTEM DESCRIPTION >
[R9M]
DIAGNOSIS SYSTEM (ECM)
EGR VALVE CONTROL
EGR valve control
%
LAST EGR VALVE OFFSET
Last EGR valve offset
%
EGR VALVE FIRST OFFSET
EGR valve first offset
%
POTN VAL EGR VALVE
CLSD
Potentiometer value EGR valve closed
%
EGR SENSOR SUPPLY
VOLTAGE
EGR sensor supply voltage
mV
EGR POTENTIOMETER
VOLTAGE
EGR potentiometer voltage
mV
EXHAUST SYSTEM FLOW
Exhaust system flow
g/s
ADDITIONAL INFORMA-
TION 24F3
Additional information 24F3
°
C or
°
F
TEMP. UPSTREAM OF PF
Temperature upstream of particle filter
°
C or
°
F
PRS UPSTR OF TBN
Pressure upstream of turbine
mbar
RFRG TEMP PRESS SEN
VOLT
Refrigerant temperature pressure sen-
sor voltage
V
REFRIGERANT PRESSURE
Refrigerant pressure
bar
TBN UPSTR TEMP SETP
Turbine upstream temperature setpoint
°
C or
°
F
TEMP UPSTREAM TUR-
BINE
Temperature upstream of turbine
°
C or
°
F
TBN UPSTR TMP SEN VOLT
Turbine upstream temperature sensor
voltage
V
RV/LV BUTTON VOLTAGE
RV/LV button voltage
mV
OIL TEMPERATURE SEN-
SOR VOLTAGE - ENGINE
Oil temperature sensor voltage - Engine
—
ADDITIONAL INFO FDEB
Additional information FDEB
—
ADDITIONAL INFO FDEC
Additional information FDEC
—
ADDITIONAL INFO FDED
Additional information FDED
—
ADDITIONAL INFO FDEE
Additional information FDEE
—
ADDITIONAL INFO FDEF
Additional information FDEF
—
LAST OFF/V CLOSE
Last offset damper valve closed
%
LAST OFF/V OPEN
Last offset damper valve open
%
SEN SUPPLY N-3 VOL
Sensor supply No. 3 voltage
mV
SWIRL FLAP - SWIRL POSI-
TION RELATIVE TO THE
CLOSED THRUST
Swirl flap - Swirl position relative to the
closed thrust
%
SWIRL THROTTLE POSI-
TION SETPOINT USED BY
THE MONITORING SYSTEM
Swirl throttle postion setpoint used by
the monitoring system
%
SWIRL FLAP - PWM COM-
MAND ASKED TO THE H -
BRIDGE
Swirl flap - PWM command asked to the
H - bridge
%
SWIRL FLAP - CURRENT
VALUE OF THE ‘LAST
CLOSED THRUST POSI-
TION’ LEARNT
Swirl flap - Current value of the 'last
closed thrust position' learnt
%
SWIRL FLAP - CURRENT
VALUE OF THE FIRST
CLOSED THRUST POSI-
TION LEARNT
Swirl flap - Current value of the first
closed thrust position learnt
%
Item
*
Unit
Remarks
CONSULT screen terms
Full spell
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