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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 2) >> System Description >> Diagnosis System (ECM) >> Diagnosis Description >> CONSULT Function
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CONSULT Function

FUNCTION 

Diagnostic test mode Function
Self Diagnostic Result Self-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data 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 can be read.
DTC Work Support SRT and operating condition to check DTC can be confirmed.

*: The following emission-related diagnostic information is cleared when the ECM memory is erased.

SELF DIAGNOSTIC RESULT MODE 

Self Diagnostic Item 

Regarding items of DTC and 1st trip DTC, refer to DTC Index .

How to Read DTC and 1st Trip DTC 

DTCs and 1st trip DTCs related to the malfunction are displayed in "Self-diag results" mode with CONSULT. "TIME" indicates the number of driving the vehicle after the last detection of DTC.

How to Erase DTC 

NOTE: SYMBOL If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10 seconds and then turn it ON (engine stopped) again.

Freeze Frame Data and 1st Trip Freeze Frame Data 

Freeze frame data item*1 Description
DIAG TROUBLE CODE [PXXXX] The engine control component part/control system has a trouble code displayed as PXXXX. (Refer to DTC Index .)
CAL/LD VALUE %] The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP [°C] The engine coolant temperature at the moment a malfunction is detected is displayed.
L-FUEL TRM-B1 %]
  • "Long-term fuel trim" at the moment a malfunction is detected is displayed.
  • The long-term fuel trim indicates much more gradual feedback compensation to the base fuel schedule than short-term fuel trim.
L-FUEL TRM-B2 %]
S-FUEL TRM-B1 %]
  • "Short-term fuel trim" at the moment a malfunction is detected is displayed.
  • The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel schedule.
S-FUEL TRM-B2 %]
ENGINE SPEED [rpm] The engine speed at the moment a malfunction is detected is displayed.
VEHICL SPEED [km/h] or [mph] The vehicle speed at the moment a malfunction is detected is displayed.
ABSOL TH.P/S [%] The throttle valve opening angle at the moment a malfunction is detected is displayed.
INJ PULSE [msec] The basic injection quantity at the moment a malfunction is detected is displayed.
INT/A TEMP SE [°C] or [°F] The intake air temperature at the moment a malfunction is detected is displayed.
FUEL SYS-B1
  • "Fuel injection system status" at the moment a malfunction is detected is displayed.
  • One of the following mode is displayed.
    • MODE 2: Open loop due to detected system malfunction
    • MODE 3: Open loop due to driving conditions (power enrichment, deceleration enleanment)
    • MODE 4: Closed loop - using oxygen sensor(s) as feedback for fuel control
    • MODE 5: Open loop - has not yet satisfied condition to go to closed loop
FUEL SYS-B2
INT MANI PRES [kPa]
  • Constant value is displayed.
  • These items are displayed but are not applicable to this model.
COMBUST CONDITION
FUEL RAIL PRESSURE [MPa] The fuel rail pressure at the moment a malfunction is detected is displayed.
TARGET FUEL RAIL PRESSURE [MPa] The target fuel rail pressure at the moment a malfunction is detected is displayed.
BATTERY VOLTAGE [V] The battery voltage at the moment a malfunction is detected is displayed.
FUEL LEVEL [%] The fuel level at the moment a malfunction is detected is displayed.
ODO/TRIP METER The ODO/TRIP at the moment a malfunction is detected is displayed.
B/FUEL SCHDL [msec] The base fuel schedule at the moment a malfunction is detected is displayed

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

DATA MONITOR MODE 

NOTE: SYMBOL
  • 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 .

Monitored Item 

Monitored item Unit Description Remarks
COOLANT TEMP/S °C The engine coolant temperature (determined by the signal voltage of the engine outlet 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.
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.  
INT/A TEMP SE °C or °F The intake air temperature (determined by the signal voltage of the intake air temperature sensor) is indicated.  
TURBO BST SEN V The turbocharger boost sensor signal voltage is displayed.  
PURG VOL C/V %
  • Indicates the control value of the EVAP canister purge volume control solenoid valve computed by the ECM according to the input signals.
  • The opening becomes larger as the value increases.
  
FUEL T/TMP SE °C or °F The fuel temperature (determined by the signal voltage of the fuel tank temperature sensor) is displayed.  
FUEL LEVEL SE V The signal voltage of the fuel level sensor is displayed.  
EVAP SYS PRES V The signal voltage of EVAP control system pressure sensor is displayed.  
CAL/LD VALUE % "Calculated load value" indicates the value of the current air flow divided by peak air flow.  
HO2S2 (B1) V The signal voltage of the heated oxygen sensor 2 is displayed.  
ENG OIL TEMP °C°F The engine oil temperature (determined by the signal voltage of the engine oil temperature sensor) is displayed.  
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.
  • Specification value is indicated on monitor screen under the following conditions.
    • Reference: Select
    • Display type: Line graph
MAP SENSOR V The atmospheric pressure sensor signal voltage is displayed,  
A/F S1 HTR (B1) %
  • Indicates the duty ratio of the Air fuel ratio (A/F) sensor 1 heater computed by ECM according to the input signals.
  • The current flow to the heater becomes larger as the value increases.
  
TC/SC SPEED B1 rpm The turbocharge revolution speed (determined by the signal voltage of the turbocharge speed sensor) is displayed.  
ATOM PRES SEN 2 V The signal voltage from the manifold absolute pressure (MAP) sensor is displayed.  
EXH/V TIM B1 °CA Indicates [°CA] of exhaust camshaft advance angle.  
W/GATE V CLSD LEARN B2 INCMP/ CMPLT Displays "full close position learning" experience of wastegate actuator.
  • INCMP: Learning is incomplete. There is no memory of the full close position voltage in the ECM.
  • CMPLT: Learning is complete. Full close position voltage is memory in the ECM.
  
W/GATE V CLSD LEARN B1 INCMP/CMPLT Displays "full close position learning" experience of wastegate actuator.
  • INCMP: Learning is incomplete. There is no memory of the full close position voltage in the ECM.
  • CMPLT: Learning is complete. Full close position voltage is memory in the ECM.
 After replacing ECM, "INCMP" is displayed.
W/G ACTUATOR POSITION B1 m Indicates real stroke position of turbocharger wastegate actuator. The value is calculated by ECM based on the difference voltage between position sensor output and valve close position.  
RADIATOR COOLANT TEMP °C or °F Description: The radiator coolant temperature (determined by the signal voltage of the radiator coolant temperature sensor) is displayed.  
FAN DUTY % Indicates a command value for cooling fan. The value is calculated by ECM based on input signals.  
FUEL PUMP DUTY % The control condition of the fuel pump control module (FPCM) (determined by ECM according to the input signals) is indicated.  
BAT TEMP SEN V The signal voltage from the battery temperature sensor is displayed.  
THRTL STK CNT B1 -
NOTE: SYMBOL These items are displayed but are not applicable to this model.
  
ENG SPEED rpm Indicates the engine speed computed from the signal of the crankshaft position sensor and camshaft position sensor. Accuracy becomes poor if engine speed drops below the idle rpm.
TRVL AFTER MIL km or mile Distance traveled while MIL is activated.  
INJ PULSE-B1 msec Indicates the actual fuel injection pulse with compensated by ECM according to the input signals. When the engine is stopped, a certain computed value is indicated.
B/FUEL SCHDL ms "Base fuel schedule"indicates the fuel injection pulse width programmed into ECM, prior to any learned on board correction. Specification value is indicated on monitor screen under the following conditions.
  • Reference: Select
  • Display type: Line graph
MASS AIRFLOW g/s Indicates the mass air flow computed by ECM according to the mass air flow sensor signal.  
FUEL PRES SEN MPa Indicates the fuel rail pressure computed by ECM according to the input signals.  
ACCEL SEN 1 V The signal voltage of the accelerator pedal position sensor 1 is displayed.  
ACCEL SEN 2 V The converted value of the accelerator pedal position sensor signal voltage is displayed. ACCEL SEN 2 signal is converted by ECM internally. Thus, they differs from ECM terminal voltage signal.
TP SEN 1-B1 V The signal voltage of the throttle position sensor 1 B1 is displayed.  
TP SEN 2-B1 V The value converted from the signal voltage of the throttle position sensor 2 B1 is displayed. TP SEN 2-B1 signal is converted by ECM internally. Thus, they differs from ECM terminal voltage signal.
FUEL INJ B1 msec ECM-calculated injection pulse width of the fuel injector on the Bank 1 side.  
I/P PULLY SPD rpm Indicates the engine speed computed from the input shaft revolution signal.  
VEHICLE SPEED km/h or mph The vehicle speed computed from the vehicle speed signal sent from TCM is displayed.  
TUMBLE POS SEN V The intake manifold runner control valve position sensor signal voltage is displayed.  
AC PRESS SEN V The signal voltage from the refrigerant pressure sensor is displayed.  
A/F SEN1 (B1) V The A/F signal voltage computed from the input signal of the air fuel ratio (A/F) sensor 1 is displayed.  
VHCL SPEED SE km/h or mph The vehicle speed computed from the vehicle speed signal sent from combination meter is displayed.  
VTC DTY EX B1 %
  • The control value of the exhaust valve timing control solenoid valve (determined by ECM according to the input signals) is indicated.
  • The advance angle becomes larger as the value increases.
  
BAT CUR SEN V 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.  
INT/V TIM(B1) °CA Indicates [°CA] of intake camshaft advance angle.  
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.  
ECM TEMP 1 °C Displays a temperature calculated from a signal of ECM temperature sensor 1.  
ECM TEMP 2 °C Displays a temperature calculated from a signal of ECM temperature sensor 2.  
MASS AIR FLOW SENSOR (HZ) B1 Hz The signal frequency of the mass air flow sensor is displayed.
  • When the engine is stopped, a certain value is indicated.
  • Specification value is indicated on monitor screen under the following conditions.
    • Reference: Select
    • Display type: Line graph
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.  
W/G ACTUATOR POSI SEN B1 V Indicates position sensor output voltage of turbocharger wastegate actuator.  
ENGINE COOLANT B/V POSI deg Description: The Multi-way Control Valve position detected by the position sensor is displayed.  
TOTAL DISTNC-OCS RST 1   The Multi-way Control Valve position detected by the position sensor is displayed.  
TOTAL DISTNC-OCS RST 2   Total travel distance of odd meter when Oil Control System is reset.  
TOTAL DISTNC-OCS RST 3   Total travel distance of odd meter when Oil Control System is reset. (two times ago)  
DETERIORTN VL-OCS RST 1   Total travel distance of odd meter when Oil Control System is reset. (three times ago)  
DETERIORTN VL-OCS RST 2   Indicates deterioration condition of the engine oil when Oil Control System is reset.  
DETERIORTN VL-OCS RST 3   Indicates deterioration condition of the engine oil when Oil Control System is reset. (three times ago)  
TOTAL DISTNC-OCS WRN 1   Total travel distance of odd meter when Oil Control System remaining distance is zero.  
TOTAL DISTNC-OCS WRN 2   Total travel distance of odd meter when Oil Control System remaining distance is zero. (two times ago)  
TOTAL DISTNC-OCS WRN 3   Total travel distance of odd meter when Oil Control System remaining distance is zero. (two times ago)  
DETERIORIN VL-OCS WRN 1   Indicates deterioration condition of the engine oil when Oil Control System remaining distance is zero.  
DETERIORIN VL-OCS WRN 2   Indicates deterioration condition of the engine oil when Oil Control System remaining distance is zero. (two times ago)  
DETERIORIN VL-OCS WRN 3   Indicates deterioration condition of the engine oil when Oil Control System remaining distance is zero. (three times ago)  
CURRENT DETERIORANT VAL   Indicates deterioration condition of the engine oil.  
Engine basis parts value 1   These items are displayed but not used.  
Engine basis parts value 2   These items are displayed but not used.  
LOAD SIGNAL On/Off Indicates [On/Off] condition of the electrical load signal.
  • ON...Rear window defogger switch is ON or lighting switch is in 2nd position.
  • OFF...Both rear window defogger switch and lighting switch are OFF.
  
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 Indicates [On/Off] condition of the power steering system (determined by the signal voltage of the power steering pressure sensor signal).  
P/N POSI SW On/Off Indicates [On/Off] condition from the reverse/neutral position signal.  
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.  
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.
IGNITION SW On/Off Indicates [On/Off] condition from ignition switch signal.  
HEATER FAN SW On/Off Indicates [On/Off] condition from the heater blower ON signal.  
IDL A/V LEARN YET/CMPLT Displays the condition of Idle Air Volume Learning.
  • YET...Idle air volume learning has not been performed yet.
  • DONE...Idle air volume learning has already been performed successfully.
  
BRAKE SW On/Off Indicates [On/Off] condition from the stop lamp switch signal.  
COMBUSTION   These items are displayed but not used.  
SWRL CONT S/V* On/Off The control condition of the intake manifold runner control valve (determined by ECM according to the input signals) is indicated.
  • ON: Closed
  • OFF: Open
  
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.  
FPCM Hi/Mid/ Low/Off The control condition of the fuel pump control module (FPCM) (determined by ECM according to the input signals) is indicated.  
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.  
DIST SW On/Off Indicates [On/Off] condition from DISTANCE switch signal.  
BRAKE SW2 On/Off Indicates [On/Off] condition of stop lamp switch signal.  
BRAKE SW1 On/Off Indicates [On/Off] condition from brake pedal position switch signal.  
SET SW On/Off Indicates [On/Off] condition from SET - switch signal.  
RESUME/ACC SW On/Off Indicates [On/Off] condition from RES + switch signal.  
CANCEL SW On/Off Indicates [On/Off] condition from CANCEL switch signal.  
MAIN SW On/Off Indicates [On/Off] condition from MAIN switch signal.  
CRUISE LAMP On/Off Indicates [On/Off] condition of CRUISE indicator determined by the 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 voltage variable control is inactive.  
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.
  
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.
  
SYSTEM 1 DIAGNOSIS A B1 INCMP/CMPLT Indicates DTC P219A self-diagnosis 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 DIAG2(B1) INCMP/CMPLT Indicates DTC P014C or P014D 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
  
A/F IMBALNC DIAG-CPS STAT ABSNT/PRSNT Indicates DTC P219C - P219F self diagnosis condition.
  • ABSNT: The vehicle condition is not within the diagnosis range.
  • PRSNT: The vehicle condition is not within the diagnosis range.
  
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 imbalance B end flag   Indicates DTC P23F2 - P23F8 self-diagnosis condition.
  • ABSNT: The vehicle condition is not within the diagnosis range.
  • PRSNT: The vehicle condition is within the diagnosis range.
  
A/F imbalance B (B1) end flag   Indicates DTC P23FE self-diagnosis condition.
  • ABSNT: The vehicle condition is not within the diagnosis range.
  • PRSNT: The vehicle condition is within the diagnosis range.
  
A/F IMBLNC DIAG-CPS CMPLT INCMP/CMPLT Indicates DTC P219C - P219F self diagnosis condition.
  • INCMP: Self-diagnosis is incomplete.
  • CMPLT: Self-diagnosis is incomplete.
  
A/F imbalance B area flag   Indicates DTC P23F2 - P23F8 self diagnosis condition.
  • INCMP: Self-diagnosis is incomplete.
  • CMPLT: Self-diagnosis is incomplete.
  
A/F imbalance B (B2) area flag   Indicates DTC P23FF self diagnosis condition.
  • INCMP: Self-diagnosis is incomplete.
  • CMPLT: Self-diagnosis is incomplete.
  
A/F imbalance B (B1) area flag   Indicates DTC P23FE self diagnosis condition.
  • INCMP: Self-diagnosis is incomplete.
  • CMPLT: Self-diagnosis is incomplete.
  
Ignition timing 1  
  • Indicates the ignition timing computed by ECM according to the input signals.
NOTE: Indicates degree from BTDC Before Top Dead Center) of compression stroke.		 When the engine is stopped, certain value is indicated.
VCR actual shaft 2 angle   Indicates VCR control shaft 2 angle.  
DI timing SOI multi inj step1   These items are displayed but not used.  
Di inj pulse B1 msec ECM-calculated injection pulse width of the direct fuel injector on the bank 1 side.  
Di inj pulse B2   These items are displayed but not used.  

WORK SUPPORT MODE 

Work Item 

Work item Condition Usage
VALVE TIMING OFFSET DATA WRITING Ignition switch: ON (Engine stopped) When adjusting valve timing offset angle after ECM or engine assembly is replaced.
VALVE TIMING OFFSET DATA CLEAR Ignition switch: ON (Engine stopped) When clear the valve timing offset angle data after replacing the camshaft or timing chain.
EVAP SYSTEM CLOSE Close the EVAP canister vent control valve in order to make EVAP system close under the following conditions.
  • Ignition switch ON
  • Engine not running
  • Ambient temperature is above 0°C (32°F).
  • No vacuum and no high pressure in EVAP system
  • Fuel tank temp. is more than 0°C (32°F).
  • Within 10 minutes after starting "EVAP SYSTEM CLOSE"
  • When trying to execute "EVAP SYSTEM CLOSE" Under the condition except above, CONSULT will discontinue it and display appropriate instruction.
    NOTE: SYMBOL When starting engine, CONSULT may display "Battery voltage is low. Charge battery", even when using a charged battery.
 When detecting EVAP vapor leak in the EVAP system
TARGET IGN TIM ADJ* Idle condition When adjusting target ignition timing
TARGET IDLE RPM ADJ* Idle condition When setting target idle speed
ENGINE COOLANT BYPASS VALVE Condition: The valve is in the full opening position When filing with coolant.
SAVING DATA FOR REPLC CPU In this mode, save data that is in ECM. When ECM is replaced.
WRITING DATA FOR REPLC CPU In this mode, write data stored by "SAVE DATA FOR CPU REPLC" in work support mode to ECM. When ECM is replaced.
VALVE TIMING ADJUSTMENT These items are displayed but not used.  
IDLE AIR VOL LEARN The idle air volume that keeps the engine speed within the specified range is memorized in ECM. When learning the idle air volume
CLSD THL POS LEARN Ignition switch ON and engine stopped. When learning the throttle valve closed position
A/F INITIAL LEARNING Air fuel ratio learning frequency is low while idling, learning the air fuel ratio of the idling domain in ECM. When learning the air fuel ratio.
WASTEGATE ACTUATOR POSI LEARN VALUE CLEAR Ignition switch is ON and Engine running When learning full close position of wastegate actuator after ECM or turbocharger assembly is replaced.
VIN REGISTRATION In this mode, VIN is registered in ECM. When registering VIN in ECM
Misfire count (real-time) These items are displayed but not used.  
Misfire count (past) These items are displayed but not used.  
VCR base position learning In this mode, learning of VCR base position. When VCR control module or VCR actuator are replaced.
ELECTRIC INTAKE VALVE TIMING CONTROL LEARNING Ignition switch ON and engine stopped. After the following parts are replaced.
  • Electric intake valve timing control actuator
  • Electric intake valve timing control module
  • camshaft, timing chain, camshaft sprocket
  • piston, connecting rod, crankshaft
  • position sensor
Engine basis parts value 1 and 2 clear In this mode. When engine is replaced.

ACTIVE TEST MODE 

Test Item 

TEST ITEM CONDITION JUDGMENT CHECK ITEM (REMEDY)
ENG COOLANT TEMP Change the engine coolant temperature using CONSULT. If malfunctioning symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Engine coolant temperature sensor
  • Fuel injector
FUEL INJECTION Change the amount of fuel injection using CONSULT. If malfunctioning symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Fuel injector
  • Air fuel ratio (A/F) sensor 1
IGNITION TIMING
  • Timing light: Set
  • Retard the ignition timing using CONSULT.
 If malfunctioning symptom disappears, see CHECK ITEM. Perform Idle Air Volume Learning.
PURG VOL CONT/V
  • Engine: After warming up, run engine at 1, 500 rpm.
  • Change the EVAP canister purge volume control solenoid valve opening percent using CONSULT.
 Engine speed changes according to the opening percent.
  • Harness and connectors
  • EVAP canister purge volume control solenoid valve
FUEL/T TEMP SEN Change the fuel tank temperature using CONSULT.
POWER BALANCE
  • Engine: After warming up, idle the engine.
  • A/C switch OFF
  • Selector lever: N position
  • Cut off each injector signal one at a time using CONSULT.
 Engine runs rough or stops. (Works for accidental fire.)
  • Harness and connectors
  • Compression
  • Direct fuel injector
  • Power transistor
  • Spark plug
  • Ignition coil
INT V/T ASSIGN ANGLE Changes intake valve timing using CONSULT. If malfunctioning symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Intake valve timing control solenoid valve
EXT V/T ASSIGN ANGLE Changes exhaust valve timing using CONSULT. If malfunctioning symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Exhaust valve timing control solenoid valve
FPCM
  • Engine: Return to the original trouble condition
  • Select "LOW", "MID" and "HI" with CONSULT.
 Fuel pump speed changes or stops.
  • Harness and connectors
  • Fuel pump control module (FPCM)
VENT CONTROL/V
  • Ignition switch: ON (Engine stopped)
  • Turn EVAP canister vent control valve ON and OFF with the CONSULT and listen to operating sound.
 EVAP canister vent control valve makes an operating sound.
  • Harness and connectors
  • EVAP canister vent control valve
WASTEGATE ACTUATOR
  • Ignition switch: ON
  • Engine stopped
  • Change valve of wastegate actuator target angle using CONSULT
 Wastegate valve position sensor voltage changes according to valve target angle
  • Harness and connectors
  • Electric wastegate control actuator (Removal bypass valve from turbocharger is NG)
  • Turbocharger assembly
TC BYPASS VALVE
  • Ignition switch: ON
  • Engine stopped or Engine running (idling, less than 1200rpm)
  • Input "ON" "OFF" signal using CONSULT
 Bypass valve makes the operating sound.
  • Harness and connectors
  • Turbocharger bypass valve (Removal bypass valve from Turbocharger is NG)
  • Turbocharger assembly
FAN DUTY CONTROL*
  • Ignition switch: ON
  • Change duty ratio using CONSULT.
 Cooling fan speed changes.
  • Harness and connectors
  • Cooling fan motor
  • IPDM E/R
TUMBLE CONTROL VALVE
  • Ignition switch: ON (Engine stopped)
  • Turn the intake manifold runner control valve "ON" and "OFF" using CONSULT to open or close.
 Touch the intake manifold runner control valve motor and check the operating vibration and sound.
  • Harness and connectors
  • Intake manifold runner control valve
  • Intake manifold runner control valve motor
VCR system
  • Ignition switch: ON
  • Change target angle of VCR control shaft 2 using CONSULT.
 VCR control shaft 2 actual angle changes according to target angle
  • Harness and connectors
  • VCR motor
  • VCR motor rotation angle sensor
  • VCR control shaft 2 rotation angle sensor
ENGINE OIL PRESSURE CONTROL SOLENOID VALVE
  • Water temperature: >-10°C
  • Engine oil temperature: < 120°C (248°F)
  • Engine speed: < 3000rpm
 Engine oil pressure change
  • Harness and connectors
  • Engine oil pressure control solenoid valve
  • Engine oil pressure sensor
  • Engine oil pump

*: Leaving cooling fan OFF with CONSULT while engine is running may cause the engine to overheat.

DTC WORK SUPPORT MODE 

Teat Item 

Test mode Test item Corresponding DTC No. Reference
A/F SEN1 A/F SEN1 (B1) P1276 P0130 DTC Description
A/F SENSOR1 (B1) P014C/P014D - -
EVAPORATIVE SYSTEM PURG VOL CN/V P1444 P0443 DTC Description
PURG FLOW P0441 P0441 DTC Description
HO2S2 HO2S2 (B1) P1146 P0138 DTC Description
HO2S2 (B1) P1147 P0137 DTC Description
HO2S2 (B1) P0139 P0139 DTC Description

SRT and P-DTC MODE 

SRT STATUS Mode 

PERMANENT DTC STATUS Mode 

How to Display Permanent DTC Status

  1. Turn ignition switch OFF and wait at 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at 10 seconds.
  4. Turn ignition switch ON.
  5. Select "PERMANENT DTC STATUS" in "DTC and SRT CONFIRMATION" mode with CONSULT.
    NOTE: SYMBOL Permanent DTCs stored in control module memory are displayed on the CONSULT screen to show if a driving pattern required for erasing permanent DTCs is complete (CMPLT) or incomplete (INCMP).
    CAUTION:

    Since the "PERMANENT DTC STATUS" screen displays the previous trip information, repeat the following twice to update the information: "Ignition switch OFF", "Wait for more than 10 seconds" and "Ignition switch ON".

    GNSDB109990Courtesy of NISSAN NORTH AMERICA, INC.
NOTE: SYMBOL This mode is not used in regions that permanent DTCs are not regulated by law.

SRT WORK SUPPORT Mode 

This mode enables a technician to drive a vehicle to set the SRT while monitoring the SRT status.

PERMANENT DTC WORK SUPPORT Mode 

This mode enables a technician to drive a vehicle to complete the driving pattern that is required for erasing permanent DTC.

NOTE: SYMBOL This mode is not used in regions that permanent DTCs are not regulated by law.

SRT and P-DTC MODE 

SRT STATUS Mode 

For items whose SRT codes are set, "CMPLT" is displayed on the CONSULT screen; for items whose SRT codes are not set, "INCMP" is displayed.

SRT WORK SUPPORT Mode 

This mode enables a technician to drive a vehicle to set the SRT while monitoring the SRT status.

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