FUNCTION

Diagnostic test mode
Function
Work support
This mode enables a technician to adjust some devices faster and more accurately by following the indications on the CONSULT-III unit.
Self-diagnostic results
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.
Active test
Diagnostic Test Mode in which CONSULT-III drives some actuators apart from the ECMs and also shifts some parameters in a specified range.
DTC & SRT confirmation
The status of system monitoring tests and the self-diagnosis status/results can be confirmed.
Function test
This mode is used to inform customers when the vehicle requires periodic maintenance.
ECU part number
ECM part number can be read.
*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
  • Diagnostic trouble codes
  • 1st trip diagnostic trouble codes
  • Freeze frame data
  • 1st trip freeze frame data
  • System readiness test (SRT) codes
  • Test values

 
 ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION

Item
DIAGNOSTIC TEST MODE
WORK SUPPORT
SELF-DIAGNOSTIC RESULTS
DATA MONITOR
ACTIVE TEST
DTC & SRT
CONFIRMATION
DTC*1
FREEZE FRAME DATA*2
SRT STATUS
DTC WORK SUPPORT
ENGINE CONTROL COMPONENT PARTS
INPUT
Crankshaft position sensor (POS)

×
×
×



Camshaft position sensor (PHASE)

×
×
×



Mass air flow sensor

×

×



Engine coolant temperature sensor

×
×
×
×


Engine oil temperature sensor

×

×



Air fuel ratio (A/F) sensor 1

×

×

×
×
Heated oxygen sensor 2

×

×

×
×
Vehicle speed signal

×
×
×



Accelerator pedal position sensor

×

×



Throttle position sensor

×
×
×



Fuel tank temperature sensor

×

×
×


EVAP control system pressure sensor

×

×



Intake air temperature sensor

×
×
×



Knock sensor

×





Refrigerant pressure sensor



×



Closed throttle position switch (accelerator pedal position sensor signal)



×



Air conditioner switch



×



Park/neutral position (PNP) signal

×

×



Stop lamp switch

×

×



Power steering pressure sensor

×

×



Battery voltage



×



Load signal



×



Turbocharger boost sensor

×

×



Fuel level sensor

×

×



Secondary air injection system mass air flow sensor

×

×



ASCD steering switch

×

×



ASCD brake switch

×

×



ENGINE CONTROL COMPONENT PARTS
OUTPUT
Fuel injector



×
×


Fuel pump control module (FPCM)

×

×
×


Power transistor (Ignition timing)



×
×


Throttle control motor relay

×

×



Throttle control motor

×





EVAP canister purge volume control solenoid valve

×

×
×

×
Air cut solenoid valve relay

×

×



Air pump relay



×



Air conditioner relay



×



Sub fuel pump relay



×
×


Cooling fan relay

×

×
×


Air fuel ratio (A/F) sensor 1 heater

×

×

×*3

Heated oxygen sensor 2 heater

×

×

×*3

EVAP canister vent control valve
×
×

×
×


Intake valve timing control solenoid valve

×

×
×


Turbocharger boost control solenoid valve

×

×



Calculated load value


×
×



×: Applicable
*1: This item includes 1st trip DTCs.
*2: This mode includes 1st trip freeze frame data or freeze frame data. The items appear on CONSULT-III screen in freeze frame data mode only if a 1st trip DTC or DTC is detected. For details, refer to Diagnosis Description (GT-R certified NISSAN dealer).
*3: Always “CMPLT” is displayed.

 
 WORK SUPPORT MODE
 
 Work Item

WORK ITEM
CONDITION
USAGE
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
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
SELF-LEARNING CONT
  • THE COEFFICIENT OF SELF-LEARNING CONTROL MIXTURE RATIO RETURNS TO THE ORIGINAL COEFFICIENT.
When clearing mixture ratio self-learning value
EVAP SYSTEM CLOSE
CLOSE THE EVAP CANISTER VENT CONTROL VALVE IN ORDER TO MAKE EVAP SYSTEM CLOSE UNDER THE FOLLOWING CONDITIONS.
  • IGN SW 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-III WILL DISCONTINUE IT AND DISPLAY APPROPRIATE INSTRUCTION.
    NOTE:
    WHEN STARTING ENGINE, CONSULT-III MAY DISPLAY “BATTERY VOLTAGE IS LOW. CHARGE BATTERY”, EVEN WHEN USING A CHARGED BATTERY.
When detecting EVAP vapor leak in the EVAP system
VIN REGISTRATION
  • IN THIS MODE, VIN IS REGISTERED IN ECM.
When registering VIN in ECM
TARGET IDLE RPM ADJ*
  • IDLE CONDITION
When setting target idle speed
TARGET IGN TIM ADJ*
  • IDLE CONDITION
When adjusting target ignition timing
*: This function is not necessary in the usual service procedure.

 
 SELF-DIAG RESULTS MODE
 
 Self Diagnostic Item

Regarding items of DTC and 1st trip DTC, refer to DTC Index.
 
 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 the 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
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.
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.
INT MANI PRES [kPa]
  • These items are displayed but are not applicable to this model.
COMBUST CONDITION
*: The items are the same as those of 1st trip freeze frame data.

 
 DATA MONITOR MODE
 
 Monitored Item

×: 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”.
MAS A/F SE-B2
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.
  • 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.

ACCEL SEN 1
V
  • 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.
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, 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.

INT/A TEMP SE
°C or °F
  • The intake air temperature (determined by the signal voltage of the intake air temperature sensor) is indicated.

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.

P/N POSI SW
ON/OFF
  • Indicates [ON/OFF] condition from the park/neutral position (PNP) signal.

PW/ST SIGNAL
ON/OFF
  • [ON/OFF] condition of the power steering system (determined by the signal voltage of the power steering pressure sensor signal) 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.

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·m/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)
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)
TP SEN 1-B2
V
  • 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
AIR COND RLY
ON/OFF
  • The air conditioner relay control condition (determined by ECM according to the input signals) is indicated.

SUB FP RLY
ON/OFF
  • Indicates [ON/OFF] condition of sub fuel pump relay determined by ECM according to the input signals.

FPCM
LOW/MID/HI
  • 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.

AIR/P CNT S/V
ON/OFF
  • Indicates [ON/OFF] condition of air cut solenoid valve determined by ECM according to the input signals.

AIR PUMP RLY
ON/OFF
  • Indicates [ON/OFF] condition of air pump relay determined by 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)
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.

SNOW MODE SW
ON/OFF
  • Indicates [ON/OFF] condition from the snow mode switch signal.

ENG OIL TEMP
°C or °F
  • The engine oil temperature (determined by the signal voltage of the engine oil temperature sensor) is displayed.

TRVL AFTER MIL
km or mile
  • Distance traveled while MIL is activated.

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)
AC PRESS SEN
V
  • The signal voltage from the refrigerant pressure sensor is displayed.

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
  • The preset vehicle speed is displayed.

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

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

BRAKE SW1
ON/OFF
  • Indicates [ON/OFF] condition from ASCD brake 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 A/T O/D according to the input signal from the TCM.

AT OD CANCEL
ON/OFF
  • Indicates [ON/OFF] condition of A/T 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 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
FAN DUTY
%
  • Indicates a command value for cooling fan. The value is calculated by ECM based on input signals.

TURBO BST SEN- B1
V
  • The turbocharger boost sensor signal voltage is displayed.


TURBO BST SEN- B2
FUEL PUMP DUTY
%
  • The control condition of the fuel pump control module (FPCM) (determined by ECM according to the input signals) is indicated.

SNDRY MAS A/F SE
%
  • Indicates a command value for secondary air injection system mass air flow sensor. The value is calculated by ECM based on input signals.

BOOST S/V DUTY
%
  • The turbocharger boost control solenoid valve control condition (determined by ECM according to the input signals) is indicated.

THRTL ANGLE B1
deg
  • Indicates [deg] of throttle control valve angle.

THRTL ANGLE B2
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.

 
 ACTIVE TEST MODE
 
 Test Item

TEST ITEM
CONDITION
JUDGMENT
CHECK ITEM (REMEDY)
FUEL INJECTION
  • Engine: Return to the original trouble condition
  • Change the amount of fuel injection using CONSULT-III.
If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Fuel injector
  • Air fuel ratio (A/F) sensor 1
IGNITION TIMING
  • Engine: Return to the original trouble condition
  • Timing light: Set
  • Retard the ignition timing using CONSULT-III.
If trouble 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
  • Cut off each injector signal one at a time using CONSULT-III.
Engine runs rough or stops.
  • Harness and connectors
  • Compression
  • Fuel injector
  • Power transistor
  • Spark plug
  • Ignition coil
ENG COOLANT TEMP
  • Engine: Return to the original trouble condition
  • Change the engine coolant temperature using CONSULT-III.
If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Engine coolant temperature sensor
  • Fuel injector
SUB FUEL PUMP RELAY
  • Ignition switch: ON (Engine stopped)
  • Turn the sub fuel pump relay ON and OFF using CONSULT-III and listen to operating sound.
Sub fuel pump relay makes the operating sound.
  • Harness and connectors
  • Sub fuel pump relay
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-III.
Engine speed changes according to the opening percent.
  • Harness and connectors
  • Solenoid valve
FUEL/T TEMP SEN
  • Change the fuel tank temperature using CONSULT-III.
VENT CONTROL/V
  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve ON and OFF with the CONSULT-III and listen to operating sound.
Solenoid valve makes an operating sound.
  • Harness and connectors
  • Solenoid valve
V/T ASSIGN ANGLE
  • Engine: Return to the original trouble condition
  • Change intake valve timing using CONSULT-III.
If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Intake valve timing control solenoid valve
FPCM
  • Engine: Return to the original trouble condition
  • Select “LOW”, “MID” and “HI” with CONSULT-III.
Fuel pump speed changes or stops.
  • Harness and connectors
  • Fuel pump control module (FPCM)
FAN DUTY CONTROL*
  • Ignition switch: ON
  • Change duty ratio using CONSULT-III.
Cooling fan speed changes.
  • Harness and connectors
  • Cooling fan motor
  • Cooling fan relay
  • Cooling fan control module
  • IPDM E/R
*: Leaving cooling fan OFF with CONSULT-III while engine is running may cause the engine to overheat.

 
 DTC & SRT CONFIRMATION MODE
 
 SRT STATUS Mode
 
 SRT WORK SUPPORT Mode

This mode enables a technician to drive a vehicle to set the SRT while monitoring the SRT status.
 
 DTC WORK SUPPORT Mode

Test mode
Test item
Corresponding DTC No.
Reference page
EVAPORATIVE SYSTEM
EVP SML LEAK P0442/P1442*
P0442
DTC Logic (GT-R certified NISSAN dealer)
P0455
DTC Logic (GT-R certified NISSAN dealer)
EVP V/S LEAK P0456/P1456*
P0456
DTC Logic (GT-R certified NISSAN dealer)
PURG VOL CN/V P1444
P0443
DTC Logic (GT-R certified NISSAN dealer)
PURG FLOW P0441
P0441
DTC Logic (GT-R certified NISSAN dealer)
A/F SEN1
A/F SEN1 (B1) P1278/P1279
P0133
DTC Logic (GT-R certified NISSAN dealer)
A/F SEN1 (B1) P1276
P0130
DTC Logic (GT-R certified NISSAN dealer)
A/F SEN1 (B2) P1288/P1289
P0153
DTC Logic (GT-R certified NISSAN dealer)
A/F SEN1 (B2) P1286
P0150
DTC Logic (GT-R certified NISSAN dealer)
HO2S2
HO2S2 (B1) P1146
P0138
DTC Logic (GT-R certified NISSAN dealer)
HO2S2 (B1) P1147
P0137
DTC Logic (GT-R certified NISSAN dealer)
HO2S2 (B1) P0139
P0139
DTC Logic (GT-R certified NISSAN dealer)
HO2S2 (B2) P1166
P0158
DTC Logic (GT-R certified NISSAN dealer)
HO2S2 (B2) P1167
P0157
DTC Logic (GT-R certified NISSAN dealer)
HO2S2 (B2) P0159
P0159
DTC Logic (GT-R certified NISSAN dealer)
*: DTC P1442 and P1456 does not apply to R35 models but appears in DTC Work Support Mode screens.