LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Trouble Diagnosis >> CONSULT-II Reference Value in Data Monitor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

CONSULT-II Reference Value in Data Monitor

Remarks:

CONSULT-II REFERENCE VALUE CHART

MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED
  • Run engine and compare CONSULT-II value with the tachometer indication.
Almost the same speed as the tachometer indication.
MAS A/F SE-B1 See "TROUBLE DIAGNOSIS - SPECIFICATION VALUE ".
B/FUEL SCHDL See "TROUBLE DIAGNOSIS - SPECIFICATION VALUE ".
A/F ALPHA-B1
A/F ALPHA-B2
See "TROUBLE DIAGNOSIS - SPECIFICATION VALUE ".
COOLAN TEMP/S
  • Engine: After warming up
More than 70°C (158°F)
A/F SEN1 (B1)
A/F SEN1 (B2)
  • Engine: After warming up
Maintaining engine speed at 2, 000 rpm Fluctuates around 2.2 V
HO2S2 (B1)
HO2S2 (B2)
  • Revving engine from idle to 3, 000 rpm quickly 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
0 - 0.3V ↔ Approx. 0.6 - 1.0V
HO2S2 MNTR (B1)
HO2S2 MNTR (B2)
  • Revving engine from idle to 3, 000 rpm quickly 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
LEAN ↔ RICH
VHCL SPEED SE
  • Turn drive wheels and compare CONSULT-II value with the speedometer indication.
Almost the same speed as the speedometer indication
BATTERY VOLT
  • Ignition switch: ON (Engine stopped)
11 - 14V
ACCEL SEN 1
  • Ignition switch: ON (Engine stopped)
Accelerator pedal: Fully released 0.5 - 1.0V
Accelerator pedal: Fully depressed 4.2 - 4.8V
ACCEL SEN 2(1)
  • Ignition switch: ON (Engine stopped)
Accelerator pedal: Fully released 0.5 - 1.0V
Accelerator pedal: Fully depressed 4.2 - 4.8V
THRTL SEN 1
THRTL SEN 2(2)
  • Ignition switch: ON (Engine stopped)
  • Selector lever: D
Accelerator pedal: Fully released More than 0.36V
Accelerator pedal: Fully depressed Less than 4.75V
EVAP SYS PRES
  • Ignition switch: ON
Approx. 1.8 - 4.8V
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
P/N POSI SW
  • Ignition switch: ON
Selector lever: P or N ON
Selector lever: Except above OFF
PW/ST SIGNAL
  • Engine: After warming up, idle the engine
Steering wheel: Not being turned (Forward direction) OFF
Steering wheel: Being turned ON
LOAD SIGNAL
  • Ignition switch: ON
Rear window defogger switch is ON and/or lighting switch is in 2nd. ON
Rear window defogger switch is OFF and lighting switch is OFF. OFF
IGNITION SW
  • Ignition switch: ON → OFF → ON
ON → OFF → ON
HEATER FAN SW
  • Engine: After warming up, idle the engine
Heater fan control switch: ON ON
Heater fan control switch: OFF OFF
BRAKE SW
  • Ignition switch: ON
Brake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
INJ PULSE-B1
INJ PULSE-B2
  • Engine: After warming up
  • Selector lever: P or N
  • Air conditioner switch: OFF
  • No load
Idle 2.0 - 2.8 msec
2, 000 rpm 1.9 - 2.9 msec
IGN TIMING
  • Engine: After warming up
  • Selector lever: P or N
  • Air conditioner switch: OFF
  • No load
Idle 10° - 20° BTDC
2, 000 rpm 25° - 45° BTDC
CAL/LD VALUE
  • Engine: After warming up
  • Selector lever: P or N
  • Air conditioner switch: OFF
  • No load
Idle 14% - 33%
2, 500 rpm 12% - 25%
MASS AIRFLOW
  • Engine: After warming up
  • Selector lever: P or N
  • Air conditioner switch: OFF
  • No load
Idle 3.0 - 9.0 g.m/s
2, 500 rpm 9.0 - 28.0 g.m/s
PURG VOL C/V
  • Engine: After warming up
  • Selector lever: P or N
  • Air conditioner switch: OFF
  • No load
Idle (Accelerator pedal: Not depressed even slightly, after engine starting.) 0%
2, 000 rpm -
INT/V TIM (B1)
INT/V TIM (B2)
  • Engine: After warming up
  • Selector lever: P or N
  • Air conditioner switch: OFF
  • No load
Idle -5° - 5°CA
2, 000 rpm Approx. 0° - 20°CA
INT/V SOL (B1)
INT/V SOL (B2)
  • Engine: After warming up
  • Selector lever: P or N
  • Air conditioner switch: OFF
  • No load
Idle 0% - 2%
2, 000 rpm Approx. 25% - 50%
AIR COND RLY
  • Engine: After warming up, idle the engine
Air conditioner switch: OFF OFF
Air conditioner switch: ON (Compressor: Operates) ON
FUEL PUMP RLY
  • For 1 second after turning ignition switch ON
  • Engine running or cranking
ON
  • Except above conditions
OFF
VENT CONT/V
  • Ignition switch: ON
OFF
THRTL RELAY
  • Ignition switch: ON
ON
COOLING FAN
  • Engine: After warming up, idle the engine
  • Air conditioner switch: OFF
Engine coolant temperature: 99°C (210°F) or less OFF
Engine coolant temperature: 100°C (212°F) or more HI
HO2S2 HTR (B1)
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
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-II value with the speedometer indication.
Almost the same speed as the speedometer indication
TRVL AFTER MIL
  • Ignition switch: ON
Vehicle has traveled after MIL has turned ON. 0 - 65, 535 km (0 - 40, 723 mile)
A/F S1 HTR (B1)
A/F S1 HTR (B2)
  • Engine: After warming up, idle the engine
4 - 100%
AC PRESS SEN
  • Engine: Idle
  • Both A/C switch and blower fan switch: ON (Compressor operates.)
1.0 - 4.0V
VHCL SPEED SE
  • Turn drive wheels and compare CONSULT-II 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
DIST SW
  • Ignition switch: ON
DISTANCE switch: Pressed ON
DISTANCE switch: Released OFF
BRAKE SW1
  • Ignition switch: ON
Brake pedal: Fully released ON
Brake pedal: Slightly depressed OFF
BRAKE SW2
  • Ignition switch: ON
Brake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
CRUISE LAMP
  • Ignition switch: ON
MAIN switch: Pressed at the 1st time → at the 2nd time ON → OFF
SET LAMP
  • MAIN switch: ON
  • Vehicle speed: Between 40 km/h (25 MPH) and 144 km/h (89 MPH)
ASCD: Operating ON
ASCD: Not operating OFF
ALT DUTY
  • Engine: Idle
0 - 80%
BAT CUR SEN
  • Engine speed: Idle
  • Battery: Fully charged(2)
  • Selector lever: P or N
  • Air conditioner switch: OFF
  • No load
Approx. 2, 600 - 3, 500mV
ALT DUTY SIG
  • Power generation voltage variable control: Operating
ON
  • Power generation voltage variable control: Not operating
OFF
(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 the battery is fully charged. Refer to BATTERY .