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Home >> Nissan-Datsun >> 2019 >> NV200 S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction And Basic Inspection) >> System Description >> Diagnosis System (ECM) >> CONSULT Function >> Data Monitor Mode
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Data Monitor Mode

Monitored Item 

NOTE:
  • The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.
  • For reference values of the following items, refer to Reference Value .

x: Applicable

Monitored item

Unit

Monitor Item Selection

Description

Remarks

ECU INPUT SIGNALS

MAIN SIGNALS

SYSTEM 1 DIAGNOSIS A B1

INCMP/CMPLT

Indicates DTC P219A self-daiagnosis condition.

  • INCMP: Self-diagnosis is incomplete.
  • CMPLT: Self-diagnosis is complete.

SYSTEM 1 DIAGNOSIS B B1

ABSENT/PRSENT

Indicates DTC P219A self-daiagnosis condition.

  • ABSENT: Self-diagnosis standby
  • PRSENT: Under self-diagnosis

ENG SPEED

rpm

x

x

Indicates the engine speed computed from the signal of the crankshaft position sensor (POS) and camshaft position sensor (PHASE).
  • Accuracy becomes poor if engine speed drops below the idle rpm.
  • If the signal is interrupted while the engine is running, an abnormal value may be indicated.

MAS A/F SE-B1

V

x

x

The signal voltage of the mass air flow sensor is displayed.
  • When the engine is stopped, a certain value is indicated.
  • When engine is running specification range is indicated in "SPEC".

B/FUEL SCHDL

ms

x

x

"Base fuel schedule" indicates the fuel injection pulse width programmed into ECM, prior to any learned on board correction.

When engine is running specification range is indicated in "SPEC".

A/F ALPHA-B1

%

x

The mean value of the air-fuel ratio feedback correction factor per cycle is indicated.
  • When the engine is stopped, a certain value is indicated.
  • When engine is running specification range is indicated in "SPEC".
  • This data also includes the data for the air-fuel ratio learning control.

COOLANT TEMP/S

deg.C or deg.F

x

x

The engine coolant temperature (determined by the signal voltage of the engine coolant temperature sensor) is displayed.

When the engine coolant temperature sensor circuit is open or shorted, ECM enters fail-safe mode. The engine coolant temperature determined by the ECM is displayed.

A/F SEN1 (B1)

V

x

x

The A/F signal computed from the input signal of the air fuel ratio (A/F) sensor 1 is displayed.

HO2S2 (B1)

V

x

x

The signal voltage of the heated oxygen sensor 2 is displayed.

HO2S2 MNTR (B1)

LEAN/RICH

x

Display of heated oxygen sensor 2 signal.

  • RICH: means the amount of oxygen after three way catalyst is relatively small.
  • LEAN: means the amount of oxygen after three way catalyst is relatively large.

When the engine is stopped, a certain value is indicated.

VHCL SPEED SE

km/h or mph

x

x

The vehicle speed computed from the vehicle speed signal sent from combination meter is displayed.

BATTERY VOLT

V

The power supply voltage of ECM is displayed.

ACCEL SEN 1

V

The accelerator pedal position sensor signal voltage is displayed.

ACCEL SEN 2 signal is converted by ECM internally. Thus, it differs from ECM terminal voltage signal.

ACCEL SEN 2

x

TP SEN 1-B1

V

x

x

The throttle position sensor signal voltage is displayed.

TP SEN 2-B1 signal is converted by ECM internally. Thus, it differs from ECM terminal voltage signal.

TP SEN 2-B1

x

x

FUEL T/TMP SE

deg.C or deg.F

x

x
  • The fuel temperature (determined by the signal voltage of the fuel tank temperature sensor) is displayed.

EVAP SYS PRES

V

x

x
  • The signal voltage of EVAP control system pressure sensor is displayed.

FUEL LEVEL SE

V

x
  • The signal voltage of the fuel level sensor is displayed.

START SIGNAL

ON/OFF

x

Indicates start signal status [ON/OFF] computed by the ECM according to the signals of engine speed and battery voltage.

After starting the engine, [OFF] is displayed regardless of the starter signal.

CLSD THL POS

ON/OFF

x

x

Indicates idle position [ON/OFF] computed by ECM according to the accelerator pedal position sensor signal.

AIR COND SIG

ON/OFF

x

x

Indicates [ON/OFF] condition of the air conditioner switch as determined by the air conditioner signal.

PW/ST SIGNAL

ON/OFF

x

x

Indicates [ON/OFF] condition of the power steering system (determined by the signal sent from EPS control unit) is indicated.

LOAD SIGNAL

ON/OFF

x

x
  • Indicates [ON/OFF] condition from the electrical load signal.
    • ON: Rear window defogger switch is ON and/or lighting switch is in 2nd position.
    • OFF: Both rear window defogger switch and lighting switch are OFF.

IGNITION SW

ON/OFF

x

x

Indicates [ON/OFF] condition from ignition switch signal.

HEATER FAN SW

ON/OFF

x

Indicates [ON/OFF] condition from the heater fan switch signal.

BRAKE SW

ON/OFF

x

Indicates [ON/OFF] condition from the stop lamp switch signal.

INJ PULSE-B1

msec

x

Indicates the actual fuel injection pulse width compensated by ECM according to the input signals.

IGN TIMING

BTDC

x

Indicates the ignition timing computed by ECM according to the input signals.

When the engine is stopped, a certain value is indicated.

CAL/LD VALUE

%

x

x

"Calculated load value" indicates the value of the current airflow divided by peak airflow.

MASS AIR FLOW

g/s

Indicates the mass airflow computed by ECM according to the signal voltage of the mass airflow sensor.

PURG VOL C/V

%
  • Indicates the EVAP canister purge volume control solenoid valve control value computed by the ECM according to the input signals.
  • The opening becomes larger as the value increases.

INT/V TIM (B1)

deg.CA

x

x

Indicates [ deg.CA] of intake camshaft advance angle.

INT/V SOL (B1)

%

x
  • The control value of the intake valve timing control solenoid valve (determined by ECM according to the input signals) is indicated.
  • The advance angle becomes larger as the value increases.

AIR COND RLY

ON/OFF

x

The air conditioner relay control condition (determined by ECM according to the input signals) is indicated.

FUEL PUMP RLY

ON/OFF

x

Indicates the fuel pump relay control condition determined by ECM according to the input signals.

VENT CONT/V

On/Off
  • The control condition of the EVAP canister vent control valve (determined by ECM according to the input signals) is indicated.
    • On: Closed
    • Off: Open

THRTL RELAY

ON/OFF

x

Indicates the throttle control motor relay control condition determined by the ECM according to the input signals.

COOLING FAN

Hi/Mid/Low/Off

x

Indicates the condition of the cooling fan (determined by ECM according to the input signals).

  • HI: High speed operation
  • MID: Middle speed operation
  • LOW: Low speed operation
  • Off: Stop

HO2S2 HTR (B1)

ON/OFF

Indicates [ON/OFF] condition of heated oxygen sensor 2 heater determined by ECM according to the input signals.

I/P PULLY SPD

rpm

x

Indicates the engine speed computed from the input speed sensor signal.

VEHICLE SPEED

km/h or mph

x

The vehicle speed computed from the vehicle speed signal sent from TCM is displayed.

IDL A/V LEARN

YET/CMPLT
  • Display the condition of Idle Air Volume Learning
    • YET: Idle air volume learning has not been performed yet.
    • CMPLT: Idle air volume learning has already been performed successfully.

TRVL AFTER MIL

km or mile

Distance traveled while MIL is activated.

ENG OIL TEMP

deg.C or deg.F

x

The engine oil temperature (determined by the signal voltage of the engine oil temperature sensor) is displayed.

A/F S1 HTR (B1)

%

x
  • Air fuel ratio (A/F) sensor 1 heater control value computed by ECM according to the input signals.
  • The current flow to the heater becomes larger as the value increases.

VHCL SPEED SE

km/h or mph

x

The vehicle speed computed from the vehicle speed signal sent from combination meter is displayed.

SET VHCL SPD

km/h or mph

x

The preset vehicle speed is displayed.

BAT CUR SEN

mV

x

The signal voltage of battery current sensor is displayed.

ALT DUTY SIG

ON/OFF
  • The control condition of the power generation voltage variable control (determined by ECM according to the input signals) is indicated.
    • ON: Power generation voltage variable control is active.
    • OFF: Power generation voltage variable control is inactive.

ALT DUTY

%

Indicates the duty ratio of the power generation command value. The ratio is calculated by ECM based on the battery current sensor signal.

MAIN SW

On/Off

x

Indicates [ON/OFF] condition from MAIN switch signal.

CANCEL SW

On/Off

x

Indicates [ON/OFF] condition from CANCEL switch signal.

RESUME/ACC SW

On/Off

x

Indicates [ON/OFF] condition from RESUME/ACCELERATE switch signal.

SET SW

On/Off

x

Indicates [ON/OFF] condition from SET/COAST switch signal.

BRAKE SW1

On/Off

x

Indicates [ON/OFF] condition from ASCD brake switch signal.

BRAKE SW2

On/Off

x

Indicates [ON/OFF] condition from stop lamp switch signal.

VHCL SPD CUT

Non/Cut

Indicates the vehicle cruise condition.

  • Non: Vehicle speed is maintained at the ASCD set speed.
  • Cut: Vehicle speed decreased to excessively low compared with ASCD set speed, and ASCD operation is cut off.

LO SPEED CUT

Non/Cut

Indicates the vehicle cruise condition.

  • Non: Vehicle speed is maintained at the ASCD set speed.
  • Cut: Vehicle speed decreased to excessively low, and ASCD operation is cut off.

AT OD MONITOR

On/Off

Indicates [ON/OFF] condition of CVT O/D according to the input signal from the TCM.

AT OD CANCEL

On/Off

Indicates [ON/OFF] condition of CVT O/D cancel request signal.

CRUISE LAMP

On/Off

Indicates [ON/OFF] condition of CRUISE lamp determined by the ECM according to the input signals.

SET LAMP

On/Off

Indicates [ON/OFF] condition of SET lamp determined by the ECM according to the input signals.

A/F ADJ-B1

--

Indicates the correction of a factor stored in ECM. The factor is calculated from the difference between the target air-fuel ratio stored in ECM and the air-fuel ratio calculated from A/F sensor 1 signal.

P/N POSI SW

ON/OFF

x

x

Indicates [ON/OFF] condition from the park/neutral position (PNP) signal.

INT/A TEMP SE

deg.C or deg.F

x

x

The intake air temperature (determined by the signal voltage of the intake air temperature sensor) is indicated.

AC PRESS SEN

V

x

The signal voltage from the refrigerant pressure sensor is displayed.

EVAP LEAK DIAG

YET/CMPLT
  • Indicates the condition of EVAP leak diagnosis.

    YET: EVAP leak diagnosis has not been performed yet.

    CMPLT: EVAP leak diagnosis has been performed successfully.

EVAP DIAG READY

ON/OFF
  • Indicates the ready condition of EVAP leak diagnosis.

    ON: EVAP leak diagnosis has been ready condition.

    OFF: EVAP leak diagnosis has not been ready condition.

THRTL STK CNT B1

--
NOTE: The item is indicated, but not used.

A/F SEN1 DIAG1(B1)

INCMP/CMPLT
  • Indicates DTC P015A or P015B self-diagnosis condition.
    • INCMP: Self-diagnosis is incomplete.
    • CMPLT: Self-diagnosis is complete.

A/F SEN1 DIAG2 (B1)

INCMP/CMPLT

Indicates DTC P014C or P014D self-diagnosis condition.

  • INCMP: Self-diagnosis is incomplete.
  • CMPLT: Self-diagnosis is complete.

A/F SEN1 DIAG3 (B1)

ABSNT/PRSNT

Indicates DTC P014C, P014D, P015A or P015B self-diagnosis condition.

  • ABSNT: The vehicle condition is not within the diagnosis range.
  • PRSNT: The vehicle condition is within the diagnosis range.

HO2 S2 DIAG1 (B1)

INCMP/CMPLT
  • Indicates DTC P0139 self-diagnosis (delayed response) condition.
    • INCMP: Self-diagnosis is incomplete.
    • CMPLT: Self-diagnosis is complete.

HO2 S2 DIAG2 (B1)

INCMP/CMPLT

Indicates DTC P0139 self-diagnosis (slow response) condition.

  • INCMP: Self-diagnosis is incomplete.
  • CMPLT: Self-diagnosis is complete.

EOP SENSOR

mV

x

The signal voltage of EOP sensor is displayed.

A/F-S ATMSPHRC CRCT B1

--

Displays a determined value of atmospheric correction factor necessary for correcting an A/F sensor signal input to ECM. The signal used for the correction is an A/F sensor signal transmitted while driving under atmospheric pressure.

A/F-S ATMSPHRC CRCT UP B1

count

Displays the number of updates of the A/F sensor atmospheric correction factor.

ATOM PRESS SEN

V

The atmospheric pressure sensor signal voltage is displayed.
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