Work Support Mode

WARNING: This page is about a different car, the 2014 Nissan Versa. However, it is still accessible from the selected car via links, so may be relevant.

WORK ITEM DESCRIPTIONS

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 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 will discontinue it and display appropriate instruction.
NOTE: When starting engine, CONSULT may display "Battery voltage is low. Charge battery", even in using charged battery.

When detecting EVAP vapor leak point of 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

TARGET IDLE RPM ADJ⁽¹⁾

Idle condition

When setting target idle speed

VIN REGISTRATION

In this mode, VIN is registered in ECM.

When registering VIN in ECM

SELF-LEARNING CONT

The coefficient of self-learning control mixture ratio returns to the original coefficient.

When clearing mixture ratio self-learning value

TARGET IGN TIM ADJ⁽¹⁾

Idle condition

When adjusting target ignition timing

CLSD THL POS LEARN

Ignition on and engine stopped.

When learning throttle valve closed position

⁽¹⁾	This function is not necessary in the usual service procedure.