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Home >> Nissan-Datsun >> 2023 >> Maxima SV >> 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 The status of system monitoring tests and the self-diagnosis status/results 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".

How to Erase DTC and 1st Trip 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* Description
DIAG TROUBLE CODE[PXXXX] The engine control component part/control system has a trouble code that is displayed as PXXXX. (Refer to DTC Index .)
FUEL SYS-B1
  • "Fuel injection system status" at the moment a malfunction is detected is displayed.
  • One of the following mode is displayed. Mode2: Open loop due to detected system malfunction. Mode3: Open loop due to driving conditions (power enrichment, deceleration enleanment). Mode4: Closed loop - using oxygen sensor(s) as feedback for fuel control. Mode5: Open loop - has not yet satisfied condition to go to closed loop.
FUEL SYS-B2
COMBUST CONDITION These items are displayed but are not applicable to this model.
CAL/LD VALUE [%] The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP [°C] or [°F] 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.
INT MANI PRES [kPa] These items are displayed but are not applicable to this model.
ABSOL TH. P/S [%] The throttle valve opening angle 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.
INT/A TEMP SE [°C] or [°F] The intake air temperature at the moment a malfunction is detected is displayed.

*: 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.

Monitored Item 

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
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.
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.
  • 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 %   x
COOLANT TEMP/S °C or °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 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 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 (B2) V x x
HO2S2 MNTR(B1) RICH/LEAN   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.
HO2S2 MNTR(B2) RICH/LEAN   x
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 x x The power supply voltage of ECM is displayed.  
ACCEL SEN 1 V x x 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 V 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 V x x
FUEL T/TMP SE °C or °F x   The fuel temperature (determined by the signal voltage of the fuel tank temperature sensor) is displayed.  
EVAP SYS PRES V 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 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 [On/Off] condition of the power steering system (determined by the signal voltage of the power steering pressure sensor) 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. When the engine is stopped, a certain computed value is indicated.
INJ PULSE-B2 msec    
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 %     "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 x   Indicates [°CA] of intake camshaft advance angle.  
INT/V TIM (B2) °CA x x
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.
  
INT/V SOL(B2) %   x
VIAS S/V-1 On/Off   x The control condition of the VIAS control solenoid valve 1 (determined by ECM according to the input signals) is indicated.
  • On: VIAS control solenoid valve 1 is operating.
  • Off: VIAS control solenoid valve 1 is not operating.
  
AIR COND RLY On/Off   x The air conditioner relay control condition (determined by ECM according to the input signals) is indicated.  
ENGINE MOUNT IDLE/TRVL     The control condition of the electronic controlled engine mount (determined by ECM according to the input signals) is indicated.
  • IDLE: Engine speed is below 950 rpm
  • TRVL: Engine speed is above 950 rpm
  
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.  
A/F S1 HTR(B2) %   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.
  
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) On/Off    
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     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 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     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.
  
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 Brake pedal position switch signal or ICC clutch switch.  
BRAKE SW2 On/Off x   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 ICC set speed. CUT: Vehicle speed decreased to excessively low compared with the ICC set speed, and ICC operation is cut off.
  
LO SPEED CUT Non/CUT    
  • Indicates the vehicle cruise condition. NON: Vehicle speed is maintained at the ICC set speed. CUT: Vehicle speed decreased to excessively low, and ICC 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.
  
VIAS S/V-2 On/Off     The control condition of the VIAS control solenoid valve 2 (determined by ECM according to the input signals) is indicated.
  • On: VIAS control solenoid valve 2 is operating.
  • Off: VIAS control solenoid valve 2 is not operating.
  
COOLING FAN HI/MID/LOW/OFF    
  • The control condition of the cooling fan (determined by ECM according to the input signals) is indicated. HI: High speed operation. MID: Middle speed operation. LOW: Low speed operation. OFF: Stop
  
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.  
A/F ADJ-B2 -    
P/N POSI SW On/Off x x Indicates [On/Off] condition from the park/neutral position (PNP) signal.  
INT/A TEMP SE °C or °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.  
A/F SEN1 (B2) V x x The A/F signal computed from the input signal of the air fuel ratio (A/F) sensor 1 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.
  
BAT TEMP SEN V x   The signal voltage from the battery temperature sensor is displayed.  
THRTL STK CNT B1* -     -  
HO2 S2 DIAG1(B2) INCMP/CMPLT     Indicates DTC P0139 self-diagnosis (delayed response) 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 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(B2) INCMP/CMPLT     Indicates DTC P014E or P014F 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(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.
  
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 DIAG2(B2) INCMP/CMPLT     Indicates DTC P0139 self-diagnosis (slow 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.  
HO2 S2 DIAG1(B1) INCMP/CMPLT     Indicates DTC P0139 self-diagnosis (delayed response) condition.
  • INCMP: Self-diagnosis is incomplete.
  • CMPLT: Self-diagnosis is complete.
  
MASS AIR FLOW SENSOR (Hz) Hz x   The signal frequency of the mass air flow sensor is displayed.  
EXH/V TIM B1 °CA x x Indicates [°CA] of exhaust camshaft advance angle.  
EXH/V TIM B2 °CA x x  
VTC DTY EX B1 %     -  
VTC DTY EX B2 %     -  
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.  
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 A B1 INCMP/CMPLT    
  • Indicates DTC P219A self-diagnosis condition.
    • INCMP: Self-diagnosis is incomplete.
    • CMPLT: Self-diagnosis is complete.
  
SYSTEM 1 DIAGNOSIS B B2 ABSNT/PRSNT    
  • Indicates DTC P219B self-diagnosis condition.
    • ABSNT: Self-diagnosis standby
    • PRSNT: Under self-diagnosis
  
SYSTEM 1 DIAGNOSIS B B1 ABSNT/PRSNT    
  • Indicates DTC P219A self-diagnosis condition.
    • ABSNT: Self-diagnosis standby
    • PRSNT: Under self-diagnosis
  

*: The item is indicated, but not used

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

WORK SUPPORT MODE 

Work Item 

WORK ITEM CONDITION USAGE
IDLE AIR VOL LEARN The idle air volume that keeps the engine within the specified range is memorized in ECM. When learning the idle air volume
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 temperature 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 in using charged battery.
 When detecting EVAP vapor leakage in the EVAP system
FUEL PRESSURE RELEASE Fuel pump will stop by touching "START" during idling. Crank a few times after engine stalls. When releasing fuel pressure from fuel line
SELF-LEARNING CONT The coefficient of self-learning control mixture ratio returns to the original coefficient. When clearing mixture ratio self-learning value
TARGET IGN TIM ADJ* Idle condition When adjusting target ignition timing
TARGET IDLE RPM ADJ* Idle condition When setting target idle speed
VIN REGISTRATION In this mode, VIN is registered in ECM When registering VIN in ECM
CLSD THL POS LEARN Ignition on and engine stopped. When learning the throttle valve closed position
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.

*: This function is not necessary in the usual service procedure.

ACTIVE TEST MODE 

Test Item 

TEST ITEM CONDITION JUDGMENT CHECK ITEM (REMEDY)
FUEL INJECTION
  • Engine: Return to the original non-standard condition
  • 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
ENG COOLANT TEMP
  • Engine: Return to the original non-standard condition
  • Change the engine coolant temperature using CONSULT.
 If malfunctioning symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Engine coolant temperature sensor
  • Fuel injector
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
  • Solenoid valve
FUEL/T TEMP SEN
  • Change the fuel tank temperature using CONSULT.
INT V/T ASSIGN ANGLE
  • Engine: Return to the original non-standard condition
  • Change intake valve timing using CONSULT.
 If malfunctioning symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Intake valve timing control solenoid valve
EXH V/T ASSIGN ANGLE
  • Engine: Return to the original non-standard condition
  • Change exhaust valve timing using CONSULT.
 If malfunctioning symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Exhaust valve timing control solenoid valve
COOLING FAN*
  • Ignition switch: ON
  • Turn the cooling fan "HI", "MID", "LOW" and "OFF" using CONSULT.
 Cooling fan moves and stops.
  • Harness and connectors
  • Cooling fan motor
  • IPDM E/R
VIAS S/V-1
  • Ignition switch: ON
  • Turn solenoid valve "ON" and "OFF" using CONSULT and listen to operating sound.
 Solenoid valve makes the operating sound.
  • Harness and connectors
  • Solenoid valve
ENGINE MOUNTING
  • Ignition switch: ON
  • Turn electronic controlled engine mount "IDLE" and "TRVL" with CONSULT.
 Electronic controlled engine mount makes the operating sound.
  • Harness and connectors
  • Electronic controlled engine mount
VIAS S/V-2
  • Ignition switch: ON
  • Turn solenoid valve "ON" and "OFF" using CONSULT and listen to operating sound.
 Solenoid valve makes the operating sound.
  • Harness and connectors
  • Solenoid valve
IGNITION TIMING
  • Engine: Return to the original non-standard condition
  • Timing light: Set
  • Retard the ignition timing using CONSULT.
 If malfunctioning symptom disappears, see CHECK ITEM. Perform Idle Air Volume Learning.
POWER BALANCE
  • Engine: After warming up, idle the engine.
  • A/C switch OFF
  • Selector lever: P or N position
  • Cut off each injector signal one at a time using CONSULT.
 Engine runs rough or stops.
  • Harness and connectors
  • Compression
  • Fuel injector
  • Power transistor
  • Spark plug
  • Ignition coil
VENT CONTROL/V
  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve "ON" and "OFF" with the CONSULT and listen to operating sound.
 Solenoid valve makes an operating sound.
  • Harness and connectors
  • Solenoid valve

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

DTC WORK SUPPORT MODE 

Test item

Test mode Test item Corresponding DTC No. Reference
A/F SEN1 A/F SEN1(B1) P1276 P0130 DTC Description
A/F SEN1(B2) P1286 P0150 DTC Description
A/F SENSOR1(B1) P014C, P014D P014C, P014D DTC Description
A/F SENSOR1(B2) P014E, P014F P014E, P014F DTC Description
A/F SENSOR1(B1) P015A, P015B P015A, P015B DTC Description
A/F SENSOR1(B2) P015C, P015D P015C, P015D DTC Description
EVAPORATIVE SYSTEM PURG FLOW P0441 P0441 DTC Description
PURG VOL CN/V P1444 P0443 DTC Description
HO2S2 HO2S2(B1) P1146 P0138 DTC Description
HO2S2(B1) P1147 P0137 DTC Description
HO2S2(B1) P0139 P0139 DTC Description
HO2S2(B2) P1166 P0158 DTC Description
HO2S2(B2) P1167 P0157 DTC Description
HO2S2(B2) P0159 P0159 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 least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 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 ECM 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".

    GNSDB34959Courtesy of NISSAN
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.
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