LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2010 >> FX50 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VK50VE) - Diagnostic Introduction >> Function Diagnosis >> On Board Diagnostic (OBD) System >> CONSULT-III Function >> Work Support Mode
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Work Support Mode

Work Item

WORK ITEM CONDITION TABLE

WORK ITEM CONDITION USAGE
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
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 air 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-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
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
EXH V/T CONTROL LEARN
  • In this mode, operation to learn exhaust valve timing control solenoid valve characteristic.
 When learning the exhaust valve timing control
VIN REGISTRATION
  • VIN can be registered in ECM.
 When registering VIN in ECM
VVEL POS SEN ADJ PREP
  • Use this item only when replacing VVEL actuator sub assembly.
  • Ignition switch ON and engine stopped
 When adjusting VVEL control shaft position sensor
TARGET IDLE RPM ADJ(1)
  • Idle condition
 When setting target idle speed
TARGET IGN TIM ADJ(1)
  • Idle condition
 When adjusting target ignition timing
(1) This function is not necessary in the usual service procedure.
scientia non olet · About LEMON Manuals