LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2013 >> FX50 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - System Component Testing >> Ecu Diagnosis Information >> ECM >> Reference Value >> Values On The Diagnosis Tool
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Values On The Diagnosis Tool

NOTE:
  • The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.
  • Specification data are reference values.
  • Specification data are output/input values which are detected or supplied by the ECM at the connector.

    * Specification data may not be directly related to their components signals/values/operations.


i.e. Adjust ignition timing with a timing light before monitoring IGN TIMING, because the monitor may show the specification data in spite of the ignition timing not being adjusted to the specification data. This IGN TIMING monitors the data calculated by the ECM according to the signals input from the camshaft position sensor and other ignition timing related sensors.
CONSULT MONITOR ITEM

Monitor Item Condition Values/Status
ENG SPEED
  • Run engine and compare CONSULT value with the tachometer indication.
 Almost the same speed as the tachometer indication
MAS A/F SE-B1 See "DESCRIPTION ".
MAS A/F SE-B2 See "DESCRIPTION ".
B/FUEL SCHDL See "DESCRIPTION ".
A/F ALPHA-B1 See "DESCRIPTION ".
A/F ALPHA-B2 See "DESCRIPTION ".
COOLANT TEMP/S
  • Ignition switch: ON
 Indicates engine coolant temperature
A/F SEN1 (B1)
  • Engine: After warming up
 Maintaining engine speed at 2, 000 RPM Fluctuates around 2.2 V
A/F SEN1 (B2)
  • Engine: After warming up
 Maintaining engine speed at 2, 000 RPM Fluctuates around 2.2 V
HO2S2 (B1)
  • Revving engine from idle up to 3, 000 RPM quickly after the following conditions are met.
    • Engine: After warming up
    • After keeping engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load
 0 - 0.3 V ←→ Approx. 0.6 - 1.0 V
HO2S2 (B2)
  • Revving engine from idle up to 3, 000 RPM quickly after the following conditions are met.
    • Engine: After warming up
    • After keeping engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load
 0 - 0.3 V ←→ Approx. 0.6 - 1.0 V
HO2S2 MNTR (B1)
  • Revving engine from idle up to 3, 000 RPM quickly after the following conditions are met.
    • Engine: After warming up
    • After keeping engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load
 LEAN ←→ RICH
HO2S2 MNTR (B2)
  • Revving engine from idle up to 3, 000 RPM quickly after the following conditions are met.
    • Engine: After warming up
    • After keeping engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load
 LEAN ←→ RICH
VHCL SPEED SE
  • Turn drive wheels and compare CONSULT value with the speedometer indication.
 Almost the same speed as speedometer indication
BATTERY VOLT
  • Ignition switch: ON (Engine stopped)
 11 - 14 V
ACCEL SEN 1
  • Ignition switch: ON (Engine stopped)
 Accelerator pedal: Fully released 0.45 - 1.0 V
Accelerator pedal: Fully depressed 4.4 - 4.8 V
ACCEL SEN 2(1)
  • Ignition switch: ON (Engine stopped)
 Accelerator pedal: Fully released 0.45 - 1.0 V
Accelerator pedal: Fully depressed 4.3 - 4.8 V
TP SEN 1-B1
  • Ignition switch: ON (Engine stopped)
  • Selector lever: D position
 Accelerator pedal: Fully released More than 0.36 V
Accelerator pedal: Fully depressed Less than 4.75 V
TP SEN 2-B1(1)
  • Ignition switch: ON (Engine stopped)
  • Selector lever: D position
 Accelerator pedal: Fully released More than 0.36 V
Accelerator pedal: Fully depressed Less than 4.75 V
FUEL T/TMP SE
  • Ignition switch: ON
 Indicates fuel tank temperature
EVAP SYS PRES
  • Ignition switch: ON
 Approx. 1.8 - 4.8 V
FUEL LEVEL SE
  • Ignition switch: ON
 Depending on fuel level of fuel tank
START SIGNAL
  • Ignition switch: ON → START → ON
 OFF → ON → OFF
CLSD THL POS
  • Ignition switch: ON (Engine stopped)
 Accelerator pedal: Fully released ON
Accelerator pedal: Slightly depressed OFF
AIR COND SIG
  • Engine: After warming up, idle the engine
 Air conditioner switch: OFF OFF
Air conditioner switch: ON (Compressor operates.) ON
PW/ST SIGNAL
  • Engine: After warming up, idle the engine
 Steering wheel: Not being turned OFF
Steering wheel: Being turned ON
LOAD SIGNAL
  • Ignition switch: ON
 Rear window defogger switch: ON
and/or
Lighting switch: 2nd position		 ON
Rear window defogger switch and lighting switch: OFF OFF
IGNITION SW
  • Ignition switch: ON → OFF → ON
 ON → OFF → ON
HEATER FAN SW
  • Engine: After warming up, idle the engine
 Heater fan switch: ON ON
Heater fan switch: OFF OFF
BRAKE SW
  • Ignition switch: ON
 Brake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
INJ PULSE-B1
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle 2.0 - 3.0 msec
2, 000 RPM 1.9 - 2.9 msec
INJ PULSE-B2
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle 2.0 - 3.0 msec
2, 000 RPM 1.9 - 2.9 msec
IGN TIMING
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle 12 - 22°BTDC
2, 000 RPM 25 - 45°BTDC
CAL/LD VALUE
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle 5 - 35%
2, 500 RPM 5 - 35%
MASS AIRFLOW
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle 2.0 - 6.0 g/s
2, 500 RPM 7.0 - 20.0 g/s
PURG VOL C/V
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle (Accelerator pedal: Not depressed even slightly, after engine starting.) 0%
2, 000 RPM -
EXH/V TIM B1
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle -5° - 5°CA
Around 2, 500 RPM while the engine speed is rising Approx. 0 - 30°CA
EXH/V TIM B2
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle -5 - 5°CA
Around 2, 500 RPM while the engine speed is rising Approx. 0 - 30°CA
INT/V SOL (B1)
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle 0 - 2%
2, 000 RPM Approx. 0 - 50%
INT/V SOL (B2)
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle 0 - 2%
2, 000 RPM Approx. 0 - 50%
AIR COND RLY
  • Engine: After warming up, idle the engine
 A/C switch: OFF OFF
A/C switch: ON (Compressor operates) ON
VENT CONT/V
  • Ignition switch: ON
 OFF
THRTL RELAY
  • Ignition switch: ON
 ON
A/F S1 HTR (B1)
  • Engine: After warming up, idle the engine (More than 140 seconds after starting engine)
 4 - 100%
A/F S1 HTR (B2)
  • Engine: After warming up, idle the engine (More than 140 seconds after starting engine)
 4 - 100%
HO2S2 HTR (B1)
  • Engine speed: Below 3, 600 RPM after the following conditions are met.
    • Engine: After warming up
    • Keeping the engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load
 ON
  • Engine speed: Above 3, 600 RPM
 OFF
HO2S2 HTR (B2)
  • Engine speed: Below 3, 600 RPM after the following conditions are met.
    • Engine: After warming up
    • Keeping the engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load
 ON
  • Engine speed: Above 3, 600 RPM
 OFF
ALT DUTY SIG
  • Power generation voltage variable control: Operating
 ON
  • Power generation voltage variable control: Not operating
 OFF
I/P PULLY SPD
  • Vehicle speed: More than 20 km/h (12 MPH)
 Almost the same speed as the tachometer indication
VEHICLE SPEED
  • Turn drive wheels and compare CONSULT value with the speedometer indication.
 Almost the same speed as the speedometer indication
IDL A/V LEARN
  • Engine: Running
 Idle air volume learning has not been performed yet. YET
Idle air volume learning has already been performed successfully. CMPLT
TRVL AFTER MIL
  • Ignition switch: ON
 Vehicle has traveled after MIL has illuminated. 0 - 65, 535 km (0 - 40, 723 miles)
SNOW MODE SW
  • Ignition switch: ON
 Snow mode switch: ON ON
Snow mode switch: OFF OFF
ENG OIL TEMP
  • Engine: After warming up
 More than 70°C (158°F)
VHCL SPEED SE
  • Turn drive wheels and compare CONSULT value with the speedometer indication.
 Almost the same speed as the speedometer indication
SET VHCL SPD
  • Engine: Running
 ASCD: Operating The preset vehicle speed is displayed
MAIN SW
  • Ignition switch: ON
 MAIN switch: Pressed ON
MAIN switch: Released OFF
CANCEL SW
  • Ignition switch: ON
 CANCEL switch: Pressed ON
CANCEL switch: Released OFF
RESUME/ACC SW
  • Ignition switch: ON
 RESUME/ACCELERATE switch: Pressed ON
RESUME/ACCELERATE switch: Released OFF
SET SW
  • Ignition switch: ON
 SET/COAST switch: Pressed ON
SET/COAST switch: Released OFF
BRAKE SW1 (ASCD/ICC brake switch)
  • Ignition switch: ON
 Brake pedal: Fully released ON
Brake pedal: Slightly depressed OFF
BRAKE SW2 (Stop lamp switch)
  • Ignition switch: ON
 Brake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
DIST SW
  • Ignition switch: ON
 DISTANCE switch: Pressed ON
DISTANCE switch: Released OFF
VHCL SPD CUT
  • Ignition switch: ON
 NON
LO SPEED CUT
  • Ignition switch: ON
 NON
AT OD MONITOR
  • Ignition switch: ON
 OFF
AT OD CANCEL
  • Ignition switch: ON
 OFF
CRUISE LAMP
  • Ignition switch: ON
 MAIN switch: Pressed at the 1st time → at the 2nd time ON → OFF
SET LAMP
  • MAIN switch: ON
  • When vehicle speed is between 40 km/h (25 MPH) and 144 km/h (89 MPH)
 ASCD: Operating ON
ASCD: Not operating OFF
EXH V/T LEARN
  • Engine: Running
 Exhaust Valve Timing Control Learning has not been performed yet. YET
Exhaust Valve Timing Control Learning has not been performed yet. CMPLT
FAN DUTY
  • Engine: Running
 0 - 100%
ALT DUTY
  • Engine: Idle
 0 - 80%
BAT CUR SEN
  • Engine speed: Idle
  • Battery: Fully charged(2)
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Approx. 2, 600 - 3, 500 mV
A/F ADJ-B1
  • Engine: Running
 -0.330 - 0.330
A/F ADJ-B2
  • Engine: Running
 -0.330 - 0.330
TP SEN 1-B2
  • Ignition switch: ON (Engine stopped)
  • Selector lever: D position
 Accelerator pedal: Fully released More than 0.36 V
Accelerator pedal: Fully depressed Less than 4.75 V
TP SEN 2-B2(1)
  • Ignition switch: ON (Engine stopped)
  • Selector lever: D position
 Accelerator pedal: Fully released More than 0.36 V
Accelerator pedal: Fully depressed Less than 4.75 V
P/N POSI SW
  • Ignition switch: ON
 Selector lever: P or N ON
Selector lever: Except above position OFF
INT/A TEMP SE
  • Ignition switch: ON
 Indicates intake air temperature
AC PRESS SEN
  • Engine: Idle
  • Both A/C switch and blower fan switch: ON (Compressor operates)
 1.0 - 4.0 V
VTC DTY EX B1
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle 0% - 2%
Around 2, 500 RPM while the engine speed is rising Approx. 0% - 70%
VTC DTY EX B2
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle 0 - 2%
Around 2, 500 RPM while the engine speed is rising Approx. 0 - 70%
INT/V TIM (B1)
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle -5 - 5°CA
2, 000 RPM Approx. 0 - 30°CA
INT/V TIM (B2)
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle -5 - 5°CA
2, 000 RPM Approx. 0 - 30°CA
VVEL LEARN
  • Ignition switch: OFF → ON (After warming up)
 VVEL learning has not been performed yet. YET
VVEL learning has already been performed successfully. DONE
VVEL SEN LEARN-B1
  • VVEL learning has already been performed successfully
 Approx. 0.30 - 0.80 V
VVEL SEN LEARN-B2
  • VVEL learning has already been performed successfully
 Approx. 0.30 - 0.80 V
VVEL POSITION SEN-B1
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle Approx. 0.25 - 1.40 V
When revving engine up to 2, 000 RPM quickly Approx. 0.25 - 4.75 V
VVEL POSITION SEN-B2
  • Engine: After warming up
  • Selector lever: P or N position
  • Air conditioner switch: OFF
  • No load
 Idle Approx. 0.25 - 1.40 V
When revving engine up to 2, 000 RPM quickly Approx. 0.25 - 4.75 V
VVEL TIM-B1
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle Approx. 0 - 20 deg
When revving engine up to 2, 000 RPM quickly Approx. 0 - 90 deg
VVEL TIM-B2
  • Engine: After warming up
  • Selector lever: P or N position
  • A/C switch: OFF
  • No load
 Idle Approx. 0 - 20 deg
When revving engine up to 2, 000 RPM quickly Approx. 0 - 90 deg
FPCM
  • Engine: Cranking
 HI
  • Engine: Idle
  • Engine coolant temperature: More than 10°C (50°F)
 LOW
THRTL STK CNT B1 The item is indicated, but not used. -
THRTL STK CNT B2
EVAP LEAK DIAG(3)
  • Ignition switch: ON
 Indicates the condition of EVAP leak diagnosis.
EVAP DIAG READY(3)
  • Ignition switch: ON
 Indicates the ready condition of EVAP leak diagnosis.
HO2 S2 DIAG1 (B1)(3) DTC P0139 self-diagnosis (delayed response) has not been performed yet. INCMP
DTC P0139 self-diagnosis (delayed response) has already been performed successfully. CMPLT
HO2 S2 DIAG1 (B2)(3) DTC P0159 self-diagnosis (delayed response) has not been performed yet. INCMP
DTC P0159 self-diagnosis (delayed response) has already been performed successfully. CMPLT
HO2 S2 DIAG2 (B1)(3)(4) DTC P0139 self-diagnosis (slow response) has not been performed yet. INCMP
DTC P0139 self-diagnosis (slow response) has already been performed successfully. CMPLT
HO2 S2 DIAG2 (B2)(3)(4) DTC P0159 self-diagnosis (slow response) has not been performed yet. INCMP
DTC P0159 self-diagnosis (slow response) has already been performed successfully. CMPLT
(1) Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus, they differ from ECM terminals voltage signal.
(2) Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to "HOW TO HANDLE BATTERY ".
(3) Apply only to TYPE A
(4) Type B is indicated, but not used.
scientia non olet · About LEMON Manuals