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Home >> Infiniti >> 2016 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 47 (Engine Control System (Introduction) (Hybrid)) >> System Description >> Diagnosis System (ECM) >> Consult Function >> Data Monitor Mode >> Monitored Item
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Monitored Item

WARNING: This page is about a different variant/trim than selected.

For reference values of the following items, refer to REFERENCE VALUE .

: Applicable

Monitored item Unit Monitor Item Selection Description Remarks
ECU INPUT SIGNALS MAIN SIGNALS
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".
MAS A/F SE-B2 * *
B/FUEL SCHDL ms * *
  • "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.
  • This data also includes the data for the air-fuel ratio learning control.
  • When engine is running, specification range is indicated in "SPEC".
A/F ALPHA-B2    
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.
  
A/F SEN1 (B2)   *
HO2S2 (B1) V    
  • The signal voltage of the heated oxygen sensor 2 is displayed.
  
HO2S2 (B2) * *
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.
HO2S2 MNTR (B2) * *
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.
  
TP SEN 1-B1 V   *
  • The throttle position sensor signal voltage is displayed.
  • TP SEN 2-B1 signal is converted by ECM internally. Thus, they 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.
  
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.
  
INJ PULSE-B1 msec *  
  • Indicates the actual fuel injection pulse width compensated by ECM according to the input signals.
  • When the engine is stopped, a certain computed value is indicated.
INJ PULSE-B2 *  
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.
CAL/LD VALUE %    
  • "Calculated load value" indicates the value of the current air flow divided by peak air flow.
  
MASS AIRFLOW g/s    
  • Indicates the mass air flow computed by ECM according to the signal voltage of the mass air flow 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.
  
INT/V TIM (B2)    
EXH/V TIM B1 °CA    
  • Indicates [°CA] of intake camshaft advance angle.
  
EXH/V TIM B2    
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.
  
INT/V SOL (B2)    
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 indicated.

    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.
  
HO2S2 HTR (B2)    
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    
  • Displays 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 °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.
  
A/F S1 HTR (B2)    
FAN DUTY %    
  • Indicates a command value for cooling fan. The value is calculated by ECM based on input signals.
  
ATOM PRES SEN V    
  • The signal voltage from the atmospheric pressure sensor is displayed.
  
A/F ADJ-B1 -    
  • Indicates the correction of 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.
  
A/F ADJ-B2    
TP SEN 1-B2 mV    
  • The throttle position sensor signal voltage is displayed.
  • TP SEN 2-B2 signal is converted by ECM internally. Thus, they differs from ECM terminal voltage signal.
TP SEN 2-B2    
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 sensor) is indicated.
  
VTC DTY EX B1 %    
NOTE:

The item is indicated, but not used.

  
VTC DTY EX B2 %      
ACCEL PEDAL POSI %    
  • Indicates the accelerator pedal opening value sent from HPCM.
  • The opening becomes larger as the value in creases.
  
ENG START RQST YES/NO    
  • Indicates [ON/OFF] condition of engine start request signal sent from HPCM.
  
ENG F/C RQST YES/NO    
  • Indicates [ON/OFF] condition of fuel cut request signal sent from HPCM.
  
AC PRESS SEN V    
  • 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: Diagnosis has been ready condition.

    OFF: Diagnosis has not been ready condition.

  
THRTL STK CNT B1 -    
NOTE:

The item is indicated, but not used.

  
THRTL STK CNT B2    
EOP SENSOR mV     The signal voltage of EOP sensor is displayed.  
TARGET ENGINE TORQUE Nm    
  • Displays an axial torque command value requested from HPCM.
  
IDLE REQUEST YES/NO    
  • Displays the idle request status sent from HPCM.

    YES: Idle request received

    NO: No idle request

  
MIL ON REQUEST YES/NO    
  • Displays the MIL ON request status sent from HPCM.

    YES: MIL ON request received

    NO: No MIL ON request

  
ENGINE NO-LOAD YES/NO    
  • Displays the clutch 1 disengagement/engagement status sent from HPCM.

    YES: Clutch 1 disengaged

    NO: Clutch 1 engaged

  
READY STATE YES/NO    
  • Displays the current HPCM state sent from HPCM.

    YES: READY state

    NO: Not in READY state

  
ENGINE NO-LOAD REQUEST 1 YES/NO    
  • Displays the clutch 1 disengagement request status sent to HPCM.
 This is sent when performing the Idle Air Volume Learning with CONSULT.
ENGINE NO-LOAD REQUEST 2 YES/NO    
  • Displays the clutch 1 disengagement request status sent to HPCM.
 This is sent when performing the Idle Air Volume Learning without CONSULT.
IDLE STOP INHIBIT REQUEST YES/NO    
  • Displays the idle stop prohibit request status sent to HPCM in response to an idle stop request sent from HPCM.
  
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 DIAG1 (B2) INCMP/CMPLT    
  • Indicates DTC P0159 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.

  
HO2 S2 DIAG2 (B2) INCMP/CMPLT    
  • Indicates DTC P0159 self-diagnosis (slow response) condition.

    INCMP: Self-diagnosis is incomplete.

    CMPLT: Self-diagnosis is complete.

  
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 DIAG1 (B2) INCMP/CMPLT    
  • Indicates DTC P015C or P015D 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 DIAG2 (B2) INCMP/CMPLT     Indicates DTC P014E or P014F 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.

  
A/F SEN1 DIAG3 (B2) ABSNT/PRSNT    
  • Indicates DTC P014E, P014F, P015C or P015D self-diagnosis condition.

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

    PRSNT: The vehicle condition is within the diagnosis range.

  
SYSTEM 1 DIAGNOSIS A B1 INCMP/CMPLT    
  • Indicates DTC P219A self - diagnosis condition.
    • INCMP: Self - diagnosis is incomplete.
    • CMPLT: Self - diagnosis is complete.
  
SYSTEM 1 DIAGNOSIS A B2 INCMP/CMPLT    
  • Indicates DTC P219B self - diagnosis condition.
    • INCMP: Self - diagnosis is incomplete.
    • CMPLT: Self - diagnosis is complete.
  
SYSTEM 1 DIAGNOSIS B B1 ABSNT/PRSNT    
  • Indicates DTC P219A self - diagnosis condition.
    • ABSNT: Self - diagnosis standby
    • PRSNT: Under self - diagnosis
  
SYSTEM 1 DIAGNOSIS B B2 ABSNT/PRSNT    
  • Indicates DTC P219B self - diagnosis condition.
    • ABSNT: Self - diagnosis standby
    • PRSNT: Under self - diagnosis
  
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 B2 -     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.  
A/F-S ATMSPHRC CRCT UP B2 count     Displays the number of updates of the A/F sensor atmospheric correction factor.  
P0510 DETECTION CAUSE -     DTC detected by ECM is displayed where DTC P0510 is detected by HPCM. If DTC is displayed and no DTC is detected by HPCM, this is not a malfunction.
In this case, erase Self-diagnostic result of ECM to clear the displayed DTC.
P314C DETECTION CAUSE -     DTC detected by ECM is displayed where DTC P314C is detected by HPCM.
P314D DETECTION CAUSE -     DTC detected by ECM is displayed where DTC P314D is detected by HPCM.
P314E DETECTION CAUSE -     DTC detected by ECM is displayed where DTC P314E is detected by HPCM.
P3155 DETECTION CAUSE -     DTC detected by ECM is displayed where DTC P3155 is detected by HPCM.
NOTE:

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

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