LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2011 >> Juke SL, FWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (MR16DDT) - Juke - Introduction & DTC Index >> System Description >> Diagnosis System (ECM) >> Diagnosis Description >> CONSULT-III Function >> Data Monitor Mode
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Data Monitor Mode

Monitored Item

DATA MONITOR MODE REFERENCE CHART

x: Applicable
Monitored item Unit Description Remarks
ENG SPEED RPM 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 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 msec "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 % 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.
COOLAN TEMP/S °C or °F The engine coolant temperature (determined by the signal voltage of the engine coolant temperature sensor) is displayed. When the engine coolant temperature sensor is open or short-circuited, ECM enters fail-safe mode. The engine coolant temperature determined by the ECM is displayed.
A/F SEN1 (B1) V The A/F signal computed from the input signal of the air fuel ratio (A/F) sensor 1 is displayed.  
HO2S2 (B1) V The signal voltage of the heated oxygen sensor 2 is displayed.  
HO2S2 MNTR(B1) RICH/LEAN
  • 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 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
TP SEN 1-B1 V 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
FUEL T/TMP SE °C or °F The fuel temperature (determined by the signal voltage of the fuel tank temperature sensor) is displayed.  
EVAP SYS PRES V The signal voltage of EVAP control system pressure sensor is displayed.  
FUEL LEVEL SE V The signal voltage of the fuel level sensor is displayed.  
START SIGNAL ON/OFF 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 Indicates idle position [ON/OFF] computed by ECM according to the accelerator pedal position sensor signal.  
AIR COND SIG ON/OFF Indicates [ON/OFF] condition of the air conditioner switch as determined by the air conditioner signal.  
PW/ST SIGNAL ON/OFF [ON/OFF] condition of the power steering system (determined by the signal sent from EPS control unit) is indicated.  
LOAD SIGNAL ON/OFF
  • 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 Indicates [ON/OFF] condition from ignition switch signal.  
HEATER FAN SW ON/OFF Indicates [ON/OFF] condition from the heater fan switch signal.  
BRAKE SW ON/OFF Indicates [ON/OFF] condition from the stop lamp switch signal.  
IGN TIMING BTDC Indicates the ignition timing computed by ECM according to the input signals. When the engine is stopped, a certain value is indicated.
COMBUSTION - These items are displayed but are not applicable to this model.  
CAL/LD VALUE % "Calculated load value" indicates the value of the current airflow divided by peak airflow.  
MASS AIRFLOW 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) °CA Indicates [°CA] of intake camshaft advance angle.  
EXHV TIM B1 °CA Indicates [°CA] of exhaust camshaft advance angle.  
INT/V SOL(B1) %
  • 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 The air conditioner relay control condition (determined by ECM according to the input signals) is indicated.  
FUEL PUMP RLY ON/OFF 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 displayed.
  • ON: Closed
  • OFF: Open
  
THRTL RELAY ON/OFF Indicates the throttle control motor relay control condition determined by the ECM according to the input signals.  
HO2S2 HTR (B1) ON/OFF Indicates [ON/OFF] condition of heated oxygen sensor 2 heater determined by ECM according to the input signals.  
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
  
I/P PULLY SPD RPM Indicates the engine speed computed from the input speed sensor signal.  
VEHICLE SPEED km/h or mph 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/h or mph Distance traveled while MIL is activated.  
ENG OIL TEMP °C or °F The engine oil temperature (determined by the signal voltage of the engine oil temperature sensor) is displayed.  
A/F S1 HTR(B1) %
  • 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.
  
SET VHCL SPD km/h or mph The preset vehicle speed is displayed.  
MAIN SW ON/OFF Indicates [ON/OFF] condition from ASCD MAIN switch signal.  
CANCEL SW ON/OFF Indicates [ON/OFF] condition from CANCEL switch signal.  
RESUME/ACC SW ON/OFF Indicates [ON/OFF] condition from ACCEL/RES switch signal.  
SET SW ON/OFF Indicates [ON/OFF] condition from COAST/SET switch signal.  
BRAKE SW1 ON/OFF Indicates [ON/OFF] condition from brake pedal position switch signal.  
BRAKE SW2 ON/OFF Indicates [ON/OFF] condition of 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 the 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. For M/T models, always "OFF" is displayed.
AT OD CANCEL ON/OFF Indicates [ON/OFF] condition of CVT O/D cancel request signal. For M/T models, always "OFF" is displayed.
CRUISE LAMP ON/OFF Indicates [ON/OFF] condition of CRUISE lamp determined by the ECM according to the input signals.  
SET LAMP(1) ON/OFF Indicates [ON/OFF] condition of SET lamp determined by the ECM according to the input signals.  
FUN DUTY % Indicates a command value for cooling fan. The value is calculated by ECM based on input signals.  
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.  
BAT CUR SEN mV The signal voltage of battery current sensor is displayed.  
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 Indicates [ON/OFF] condition from the park/neutral position (PNP) signal.  
INT/A TEMP SE °C or °F The intake air temperature (determined by the signal voltage of the intake air temperature sensor1) is indicated.  
AC PRESS SEN V The signal voltage from the refrigerant pressure sensor is displayed.  
FUEL PRES SEN MPa Indicates the fuel rail pressure computed by ECM according to the input signals.  
TURBO BST SEN V The turbocharger boost sensor signal voltage is displayed.  
FUEL INJ TIM deg Indicates the fuel injection timing computed by ECM according to the input signals.  
FUEL INJ B1 msec ECM-calculated injection pulse width of the fuel injector on the Bank 1 side.  
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: Diagnosis has been ready condition.
  • OFF: Diagnosis has not been ready condition.
  
BAT TEMP SEN V The signal voltage from the battery temperature sensor is displayed.  
A/F SEN1
DIAG2(B1)(1)		 INCMP/CMPLT
  • Indicates DTC P0133 self-diagnosis condition.
  • INCMP: Self-diagnosis is incomplete.
  • CMPLT: Self-diagnosis is complete.
  
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.
  
H/P FUEL PUMP DEG deg Displays ECM-calculated fuel discharge position of the high pressure fuel pump.  
FUEL PRES SEN V mV The signal voltage of FRP sensor is displayed.  
EOP SENSOR mV The signal voltage of EOP sensor is displayed.  
(1) The item is indicated, but not used.
NOTE: Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
scientia non olet · About LEMON Manuals