FixVault
Home › Nissan-Datsun › 2011 › Pathfinder S, RWD › Repair and Diagnosis › Engine Performance › System › Engine Control System - Introduction (VQ40DE) › System Description › Diagnosis System (ECM) › CONSULT-III Function › Work Support Mode

Work Support Mode

Work Item

WORK ITEM REFERENCE CHART

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 the coefficient of self-learning control 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 the mode, VIN is registered in ECM.
 When registering VIN in ECM
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.
About FixVault