Content .. 2 3 4 5 ..

Qashqai J11. Engine control system (HRA2DDT) - part 4

DIAGNOSIS SYSTEM (ECM)

ECH-49

< SYSTEM DESCRIPTION >

[HRA2DDT]

ECH

THROTTLE VALVE POSI-
TION 2

Throttle valve position 2

Richness regulation status

—

• starting mode
• open loop mode
• full load mode
• before closed loop mode
• closed loop mode
• Richness state machine is in OBD

mode

RICHNESS REGULATIION
CORRECTION

Richness regulation correction

RICHNESS ADAPTATION
FACTOR

Richness adaptation factor

—

RICHNESS ADAPTATION
OFFSET

Richness adaptation offset

FUEL SYSTEM STATUS 07

Fuel system status 07

—

FUEL SYSTEM STATUS 06

Fuel system status 06

—

FUEL SYSTEM STATUS 05

Fuel system status 05

—

FUEL SYSTEM STATUS 04

Fuel system status 04

—

FUEL SYSTEM STATUS 03

Fuel system status 03

—

FUEL SYSTEM STATUS 02

Fuel system status 02

—

FUEL SYSTEM STATUS 01

Fuel system status 01

—

FUEL SYSTEM STATUS 00

Fuel system status 00

—

FUEL SYSTEM STATUS 15

Fuel system status 15

—

FUEL SYSTEM STATUS 14

Fuel system status 14

—

FUEL SYSTEM STATUS 13

Fuel system status 13

—

FUEL SYSTEM STATUS 12

Fuel system status 12

—

FUEL SYSTEM STATUS 11

Fuel system status 11

—

FUEL SYSTEM STATUS 10

Fuel system status 10

—

FUEL SYSTEM STATUS 09

Fuel system status 09

—

FUEL SYSTEM STATUS 08

Fuel system status 08

—

ATMOSPHERIC PRESSURE

Atmospheric pressure

mbar

BOOST PRES SEN V

Boost pressure sensor voltage

Catalyst exhaust gas up-
stream oxygen sensor volt-
age

Catalyst exhaust gas upstream oxygen
sensor voltage

HEATED OXYGEN SENSOR
1 PWM

Heated oxygen sensor 1 pulse width
modulation

HEATED OXYGEN SENSOR
1 ACTIVATION TIME

Heated oxygen sensor 1 activation time

TDC

HEATED OXYGEN SENSOR
2 VOLTAGE

Heated oxygen sensor 2 voltage

HEATED OXYGEN SENSOR
2 PWM

Heated oxygen sensor 2 pulse width
modulation

HEATED OXYGEN SENSOR
HEATER STATE

Heated oxygen sensor heater state

—

• COLD SENSOR
• START STRATEGY APPLIED
• RESTRT

CRRCTV FACTOR DE-
PENDING ON FUEL QUAN-
TITY

Corrective factor depending on fuel
quantity

—

Item

Unit

Remarks

CONSULT screen terms

Full spell

ECH-50

< SYSTEM DESCRIPTION >

[HRA2DDT]

DIAGNOSIS SYSTEM (ECM)

Corrected average ALFACL
for memorized fuel system di-
agnostic

Corrected average ALFACL for memo-
rized fuel system diagnostic

—

MISFIRE COUNTER

Misfire counter

—

TANK TEMPERATURE

Tank temperature

AIR FUEL RATIO

Air fuel ratio

—

Accelerator pedal voltage -
track 1

Accelerator pedal voltage - track 1

Accelerator pedal voltage -
track 2

Accelerator pedal voltage - track 2

SEN SUPPLY N-2 VOL

Sensors supply voltage 2

SEN SUPPLY N-3 VOL

Sensors supply voltage 3

CONTRADICTION ACCEL-
ERATOR/BRAKE PEDAL

Contradiction acceleration/brake pedal

—

BOOST PRESSURE SET-
POINT

Boost pressure set-point

hpa

BOOST PRESSURE PWM

Boost pressure pulse width modulation

FUEL PRESSURE

Fuel pressure

bar

FUEL PUMP ACTUATOR
PWM

Fuel pump actuator pulse width modula-
tion

LOW FUEL LEVEL

Fuel low level

—

• OK
• Low

MISFIRE COUNTER - CYL-
INDER 1

Misfire counter - cylinder 1

—

MISFIRE COUNTER - CYL-
INDER 2

Misfire counter - cylinder 2

—

MISFIRE COUNTER - CYL-
INDER 3

Misfire counter - cylinder 3

—

MISFIRE COUNTER - CYL-
INDER 4

Misfire counter - cylinder 4

—

LAST TORQUE METER VAL-
UE

Last torque meter value

—

CORRECTION TORQUE
METER VALUE

Correction torque meter value

—

Knock counter detection - cyl-
inder 1

Knock counter detection - cylinder 1

—

Knock counter detection - cyl-
inder 2

Knock counter detection - cylinder 2

—

Knock counter detection - cyl-
inder 3

Knock counter detection - cylinder 3

—

Knock counter detection - cyl-
inder 4

Knock counter detection - cylinder 4

—

Mean knock noise

—

CRANKSHAFT SENSOR
SIGNAL

Crankshaft sensor signal

—

• Not detected
• DETECT

IGNITION ADVANCE

Ignition advance

—

MEMORIZED VARIABLE OF
FUEL LEVEL

Memorized variable of fuel level

—

Raw Tank differential pres-
sure

Raw Tank differential pressure

—

Item

Unit

Remarks

CONSULT screen terms

Full spell

DIAGNOSIS SYSTEM (ECM)

ECH-51

< SYSTEM DESCRIPTION >

[HRA2DDT]

ECH

DRAIN CUT VALVE DIAG-
NOSIS CRITERIA

Drain cut valve diagnosis criteria

—

CC/SL STATUS

Cruise control/speed limiter status

—

• CC/SL OFF
• SL ON (ACTIVE/OVER-SPEED)
• SL ON (AWAITING/SUSPEND)
• SL REQUESTED/ERROR
• CC ON (ACTIVE)
• CC ON (AWAITING/SUSPEND)
• CC REQUESTED/ERROR
• CC/SL NOT PRESENT

CC/SL IRREVERSIBLE EER-
OR 2

Cruise control/speed limiter irreversible
error 2

—

• NO ACTIVATION OF CL SW
• ACTIVATION OF CL SW

CC/SL IRREVERSIBLE EER-
OR 1

Cruise control/speed limiter irreversible
error 1

—

• NO ACTIVATION OF BRK SW
• ACTIVATION OF BRK SW

CC/SL IRREVERSIBLE EER-
OR 0

Cruise control/speed limiter irreversible
error 0

—

• NO PRESENCE OF CC FORCE
• PRESENCE OF CC FORCE

IDLE SPEED SETPOINT

Idle speed set-point

rpm

Idle engine speed regulation
status

Idle engine speed regulation status

—

• out of idle speed regulation
• take off state
• start state
• after start state
• condition state
• activation state

IDLE SPEED REQUESTED
BY AIR CONDITIONING

Idle speed requested by air conditioning

rpm

ADPTV CORRECTION OF
IDLE SPEED REGULATOR

Adaptive correction of idle speed regula-
tor

REFRIGERANT PRESSURE
SENSOR VOLTAGE

Refrigerant pressure sensor voltage

REFRIGERANT PRESSURE

Refrigerant pressure

bar

IGNITION SWITCH STATE

Ignition switch state

—

• KEY OFF
• KEY ON

STATE OF PTC HEATER IC-
ING PREVENTION

State of positive temperature coefficient
prevention heater icing prevention

—

• EV/HEV
• Activated

Alternator power

ALT LOAD

Alternator load

CC/SL STEERING SWITCH
VOLTAGE

Cruise control/speed limiter steering
switch voltage

CC/SL STEERING SWITCH
STATE

Cruise control/speed limiter steering
switch state

—

• UNPRESSED
• INVALID VOLTAGE
• CO = open circuit
• SUSPEND PRESSED
• SET (-) PRESSED
• SET (+) PRESSED
• RESUME PRESSED
• DISTANCE PRESSED

Brake pedal - close active
switch state

Brake pedal - close active switch state

—

• reserved
• NO PRS
• Brake pedal pressed.

Brake pedal - open active
switch state

Brake pedal - open active switch state

—

• reserved
• NO PRS
• Brake pedal pressed.

BRAKE PEDAL SWITCH (N/
CLOSE) BLOCKED

Brake pedal switch (normally close)
blocked

Item

Unit

Remarks

CONSULT screen terms

Full spell

ECH-52

< SYSTEM DESCRIPTION >

[HRA2DDT]

DIAGNOSIS SYSTEM (ECM)

BRAKE PEDAL SWITCH (N/
OPEN) BLOCKED

Brake pedal switch (normally open)
blocked

VEHICLE SPEED (CAN)

Vehicle speed (controller area network)

km/h

VEHICLE SPEED UNIT

Vehicle speed unit

km/h or mph

THERMOSTAT HEATER
CONTROL SOL VALVE PWM

Thermostat heater control solenoid
valve pulse width modulation

FINAL INDICATED TORQUE
SETPOINT

Final indicated torque set-point

TORQUE SAFETY MONI-
TORING STATUS FLAGS

Torque safety monitoring status flags

—

THROTTLE VALVE POSI-
TION SETPOINT

Throttle valve position set-point

GAS PUMP COMMAND
STATE

Gas pump command state

—

• OFF
• ON

GAS PUMP PRIMING STATE

Gas pump priming state

—

• [DEACTIVATED]
• Activated

GAS PUMP PRIMING DONE

Gas pump priming done

—

• NO
• YES

LIMP HOME POSITION OF
THE INLET THROTTLE

Limp home position of the inlet throttle

FINAL ALCOHOL ADAPTIVE

Final alcohol adaptive

COUNTER OF ALCOHOL
ADPTV CMPTNG PHASES

Counter of alcohol adaptive computing
phases

—

CC/SL REVERSIBLE ER-
ROR 5

Cruise control/speed limiter reversible
error 5

—

• NO SL ENGINE INHIBITION
• SL ENGINE INHIBITION

CC/SL REVERSIBLE ER-
ROR 4

Cruise control/speed limiter reversible
error 4

—

• N/CHNG OF DSPLY SPD UNIT
• CHNG OF DSPLY SPD UNIT

CC/SL REVERSIBLE ER-
ROR 3

Cruise control/speed limiter reversible
error 3

—

• N/DSPLY VHCL SPD ABSNC
• DSPLY VHCL SPD ABSNC

CC/SL REVERSIBLE ER-
ROR 2

Cruise control/speed limiter reversible
error 2

—

• N/REAL VHCL SPD ABSNC
• REAL VHCL SPD ABSNC

CC/SL REVERSIBLE ER-
ROR 1

Cruise control/speed limiter reversible
error 1

—

• N/DSPLY VHCL SPD UNVLBL
• DSPLY VHCL SPD UNVLBL

CC/SL REVERSIBLE ER-
ROR 0

Cruise control/speed limiter reversible
error 0

—

• N/REAL VHCL SPD UNVLBL
• REAL VHCL SPD UNVLBL

CRUISE CONTROL RE-
VERSIBLE ERROR 7

Cruise control reversible error 7

—

• NO CC ENGINE INHIBITION
• CC ENGINE INHIBITION

CRUISE CONTROL RE-
VERSIBLE ERROR 6

Cruise control reversible error 6

—

• N/GEARBOX IN LIMP HOME
• GEARBOX IN LIMP HOME

CRUISE CONTROL RE-
VERSIBLE ERROR 5

Cruise control reversible error 5

—

• N/BRK DTCT WO BRK INFMTN
• BRK DTCT WO BRK INFRMTN

CRUISE CONTROL RE-
VERSIBLE ERROR 4

Cruise control reversible error 4

—

• N/BRK DTCT WO BRK INFMTN
• BRK DTCT WO BRK INFRMTN

CRUISE CONTROL RE-
VERSIBLE ERROR 3

Cruise control reversible error 3

—

• N/BRK INFRMTN ABSNC
• BRK INFRMTN ABSNC

CRUISE CONTROL RE-
VERSIBLE ERROR 2

Cruise control reversible error 2

—

• N/BRK INFRMTN UNVLBL
• BRK INFRMTN UNVLBL

CRUISE CONTROL RE-
VERSIBLE ERROR 1

Cruise control reversible error 1

—

• N/CLUTCH INFRMTN ABSNC
• CLUTCH INFRMTN ABSNC

CRUISE CONTROL RE-
VERSIBLE ERROR 0

Cruise control reversible error 0

—

• N/CLUTCH INFRMTN UNVLBL
• CLUTCH INFRMTN UNVLBL

Item

Unit

Remarks

CONSULT screen terms

Full spell

DIAGNOSIS SYSTEM (ECM)

ECH-53

< SYSTEM DESCRIPTION >

[HRA2DDT]

ECH

THROTTLE VALVE OFFSET
- MIN POSITION

Throttle valve offset - minimum position

FLOW WATER VALVE

Flow water valve

—

• [DEACTIVATED]
• Activated

AIR FLAPS PWM COM-
MAND

Air flaps pulse width modulation com-
mand

CANISTER DRAIN VALVE
COMMAND

Canister drain valve command

FUNTIONAL STATE OF VE-
HICLE WITH S/S SYSEM

Functional state of the vehicle with stop/
start system

—

• NOT ACTIVE
• AUTO START
• AUTO STOP
• ENGINE RUNNING (S/S ON)
• FUEL CUT
• WAITING RESTART
• S/S AVTIVATED
• ENGINE STALLED
• ENGINE START W/STARTER

STARTER STATUS

Starter status

—

• OFF
• MECHANICAL PROTECTION
• Thermal protection
• ON

STOP/START SYSTEM MAL-
FUNCTION CAUSE

Stop/start system malfunction case

—

• UNAVAILABLE
• ACTIVATED
• INHIBITED BY DRIVER
• MALFUNCTION
• END OF LIFE

ENG RESTART BYPASS RE-
LAY ACTIVATION REQ

Engine restart bypass relay activation
request

—

• NO REQ
• REQ

STARTER RELAY CONDI-
TION

Starter relay condition

—

• DEACTIVATED
• ACTIVATED

NEUTRAL SWITCH

Neutral switch

—

• OFF
• ON
• no norm

SEVERAL START DETEC-
TION W/O NEUTRAL

Several start detection without neutral

—

• NOT DETECTED
• DETECTED

CLUTCH FULL SW ON DE-
TECTN LONG DISATNC

Clutch full switch ON detection long dis-
tance

—

• No Default
• DETECTED

NEUTRAL SWITCH FROM
WIRE

Neutral switch from wire

—

• Contactor is not used (normal perma-

nent state)

• Contactor is used (non permanent

state)

• There is no contactor
• Contactor is not available

VOLTAGE STABILIZER AC-
TIVATION REQUEST

Voltage stabilizer activation request

—

• NO REQ
• REQ

ACCELERATOR PEDAL
POS SEN 1 (RAW VALUE)

Accelerator pedal position sensor 1 (raw
value)

—

ESTIMATED TORQUE

Estimated torque

—

ENGINE SPEED

Engine speed

—

ERROR CODE INCOHER-
ENCE

Error code incoherence

—

ADMISSIBLE TORQUE

Admissible torque

—

Item

Unit

Remarks

CONSULT screen terms

Full spell

ECH-54

< SYSTEM DESCRIPTION >

[HRA2DDT]

DIAGNOSIS SYSTEM (ECM)

*: The items are the same as those of 1st trip freeze frame data.

DATA MONITOR MODE

NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.

WIRE BEGIN CLUTCH
SWITCH STATE

Wire begin clutch switch state

—

• Contactor is not used (normal perma-

nent state)

• Contactor is used (non permanent

state)

• There is no contactor

CLUTCH PEDAL FULL
SWITCH FROM WIRE

Clutch pedal full switch from wire

—

• Contactor is not used (normal perma-

nent state)

• Contactor is used (non permanent

state)

• There is no contactor
• Contactor is noble

CLUTCH FULL SWITCH AC-
TIVE W/O DRIVER

Clutch full switch active without driver

—

• No Default
• DETECTED

Item

Unit

Remarks

CONSULT screen terms

Full spell

Monitor item

Unit

Description

Remarks

ENG COOLANT TEMP

Indicates engine coolant temperature

ENGINE SPEED

rpm

Indicates the engine speed computed from the signal of the
crankshaft position sensor and camshaft position sensor

BATTERY VOLTAGE

Indicates power supply voltage of ECM

VEHICLE DISTANCE

Indicates total vehicle distance

ENG OIL TEMP

Indicates engine oil temperature

FUEL TEMP SENSOR

Indicates fuel temperature

ATMOSPHERIC PRESSURE

mbar

Indicates atmospheric pressure

ACCLRATOR PDL POS SEN 1

Indicates the signal voltage of APP sensor 1

ACCLRATOR PDL POS SEN 2

Indicates the signal voltage of APP sensor 2

ENGINE STATUS

—

Indicates engine status
• ENGINE STOPPED: ignition ON and engine stopped

(not engine stalled)

• DRIVEN: Starter motor activates or engine is running
• ENGINE STALLED: Engine stalled

CAMSHFT/CRANKSHFT SYNC

—

Indicates syncronization status of crankshaft and cam
shaft

BRAKE PEDAL SW 1 STATE

—

Indicates brake switch (normal close) status

BRAKE PEDAL SW 2 STATE

—

Indicates brake switch (normal open) status

ACCEL PEDAL POSI

—

Indicates accelerator pedal position

ALTERNATOR POWER

Indicates alternator output

CLUTCH PEDAL SW 1 STATE

—

Indicates status of clutch pedal position switch

IDLE SPD REGULATION STAT

—

Indicates status of idle speed regulation control

RQSTED IDLE SPD

rpm

Indicates idle speed set-point (for LCV)

CONFIG/CLUTCH PEDAL SW

—

Indicates configuration status of clutch pedal position
switch

CONFIG/BRAKE PEDAL SW

—

Indicates configuration status of brake switch

ALT LOAD

Indicates alternator load

CONFIG/ACCSSRS IDLE SPD

—

Indicates idle speed set-point (for accessories)

DIAGNOSIS SYSTEM (ECM)

ECH-55

< SYSTEM DESCRIPTION >

[HRA2DDT]

ECH

OWE/ENGINE REVOLUTIONS

trs

Indicates engine revolution counts from last engine oil re-
placement

OWE/DRIVING DISTANCE

Indicates total distance at last engine oil replacement

LEARN H/TURN DEFULT STAT

—

Indicates default status of half-turn learning

LONG ENG START REQUEST

—

Indicates requested long operation of engine start

SAFETY AUTHORIZATN FLAG

—

Indicates safety authorization from other ECU

CUMULATIVE ENG STARTS 1

—

Indicates cumulated engine start count

ENG FIRST START COUNTS

—

CUMULATIVE ENG STARTS 2

—

Indicates cumulated engine start count with ignition switch

IDLE SPEED REQUEST (BCM)

—

Indicates status of idle request from BCM (for LCV)

MAXIMUM VEHICLE SPEED

km/h

Indicates parmitted maximum vehicle speed (for LCV)

VALIDITY OF LEARN DFLT VAL

—

CLUTCH PEDAL SW 2 STAT

—

Indicates clutch switch status (for ASCD)

CAMSHAFT POSI (EEPROM)

—

Indicates check result of camshaft angle

TORQUE CORRECTION (IDLE)

Indicates correction value of engine torque at idle

EONV DIAGNOSIS INHIBITION

—

Indicates diagnosis inhibition status of EONV

CL PDL FULL SW FROM WIRE

—

Indicates status of the clutch interlock switch

INT MANI PRES

mbar

Indicates intake manifold pressure

TP SENSOR 1

Indicates sensor voltage of throttle position sensor 1

TP SENSOR 2

Indicates sensor voltage of throttle position sensor 1

SOOT MASS IN CSF

Indicates quantity of soot mass

THROTTLE VALVE POSITION

Indicates throttle open angle

CSF/RGNRTN DIAG STATE

—

Indicates diagnosis state of CSF regeneration

TEMP DWNSTREAM TURBINE

Indicates temperature downstream of turbine

INTAKE MANIFOLD TEMP

Indicates intake manifold temperature

CSF UPSTREAM TEMP

Indicates temperature upstream catalyst

CATALYST UPSTREAM O2S

Indicates signal voltage of O2 sensor upstream of catalyst

INLT THRTTL UPSTRM TEMP

Indicates temperature upstream of throttle valve

THROTTLE VALVE LEARNING

—

Indicates learning status of throttle valve

CSF/REGENERATION STATE

—

Indicates regeneration status of CSF

CSF/REGENERATION PRGRS

Indicates progress of CSF regeneration

RESULT OF CATALYST DIAG

—

Indicates diagnosis result of catalyst

RESLT OF CAT UPS O2S DIAG

—

Indicates diagnosis result upstream of catalyst

ADPTV TRM OF TC WG CNTRL

Indicates adaptive term of TC wastegate control

CRCLTN RQST OF COOLANT

—

Indicates status of coolant circulation request

KNOCK COUNTS - CYL1

—

Indicates cylinder 1 knock count

KNOCK COUNTS - CYL2

—

Indicates cylinder 2 knock count

KNOCK COUNTS - CYL3

—

Indicates cylinder 3 knock count

KNOCK COUNTS - CYL4

—

Indicates cylinder 4 knock count

KNOCK NOISE COUNTS

—

Indicates knock noise count

RICHNSS REGULATION STAT

—

Indicates status of richness regulation

MEMORIZED FUEL SYS DIAG

—

REQUEST OF M/V DIAG SQNC

—

MASTERVAC PRESSURE STAT

—

Indicates status of vacuum pump activation request

FUEL RAIL PRESSURE

bar

Indicates fuel rail pressure

Monitor item

Unit

Description

Remarks

ECH-56

< SYSTEM DESCRIPTION >

[HRA2DDT]

DIAGNOSIS SYSTEM (ECM)

NOTE:

Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.

WORK SUPPORT MODE

Work Item

GLOBAL MASS OF INJECTION

mg/strk

Indicates fuel injection quantity per each cylinder

MODE SWITCH

—

Indicates mode switch status

CLUTCH PEDAL STATE

—

Indicates clutch pedal status

ALTRNTR VOLT SETPOINT

Indicates set voltage of alternator

RFRNC BATTERY VOLTAGE

Indicates reference voltage of fully charged battery

CMMND OF DRAIN CUT VALVE

—

Indicates command status of EVAP drain cut valve

INTAKE MANIFOLD PRESS

kPa

Indicates intake manifold pressure

RAW TANK DFFRNTL PRESS

Indicates differential pressure of tank (law value)

AVE SIG OF FUEL PRES SEN

Indicates signal voltage of fuel pressure sensor (averaged
value)

EXH CAMSHAFT POSITION 07

CRK