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Home >> Infiniti >> 2012 >> G37 IPL, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Engine Control System - 370Z - Diagnostics Introduction & DTC Index) >> System Description >> Diagnosis System (ECM) >> Diagnosis Description >> CONSULT-III Function >> Work Support Mode
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Work Support Mode

WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.

Work Item

WORK ITEM CONDITION

WORK ITEM CONDITION USAGE
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
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 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
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
TARGET IDLE RPM ADJ(1)
  • Idle condition
 When setting target idle speed
TARGET IGN TIM ADJ(1)
  • Idle condition
 When adjusting target ignition timing
VIN REGISTRATION
  • In this mode, VIN is registered in ECM.
 When registering VIN in ECM
VVEL POS SEN ADJ PREP
  • Use this item only when replacing VVEL actuator sub assembly.
  • Ignition on and engine stopped.
 When adjusting VVEL control shaft position sensor
M/T NEUTRAL POS LEARN
  • Ignition on and engine stopped.
  • Shift position: neutral
 When ECM is replaced
When gear lever position sensor is replaced
When shift position indicator "N" is blinking
CLSD THL POS LEARN
  • Ignition on and engine stopped.
 When learning the throttle valve closed position
(1) This function is not necessary in the usual service procedure.
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