Work Support Mode

WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.

This mode can be used for the following functions:

FUEL PRESSURE RELEASE

Use to release fuel pressure. Fuel pump will stop by touching START during engine idling. Crank a few times after engine stalls.

IDLE AIR VOL LEARN

Use to perform idle air volume learning.

SELF-LEARNING CONT

Use to clear the coefficient of self-learning control value. Air/fuel mixture ratio returns to the original coefficient.

EVAP SYSTEM CLOSE

Use when testing EVAP system for leaks. This will open vacuum cut valve by-pass valve and close EVAP canister vent control valve in order to seal EVAP system under the following conditions:
- Ignition switch on.
- Engine not running.
- Ambient temperature is above 32°F (0°C).
- No vacuum and no high pressure in EVAP system.
- Fuel tank temperature is more than 32°F (0°C).
- Within 10 minutes after starting EVAP SYSTEM CLOSE.
When trying to execute EVAP SYSTEM CLOSE when above conditions are not met, CONSULT-II will discontinue it and display appropriate instruction.

NOTE: When starting engine, CONSULT-II may display BATTERY VOLTAGE IS LOW. Charge battery, even if using charged battery.

TARGET IDLE RPM ADJ

Use when setting target idle speed. This function is usually unnecessary.

TARGET IGNITION TIMING ADJ

Use when adjusting target ignition timing. After adjustment, verify target ignition timing with a timing light. This function is usually unnecessary.