Work Support Mode

Work Item

DIAGNOSIS TEST MODE 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 mixture ratio self-learning 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 IN USING CHARGED BATTERY.

When detecting EVAP vapor leak point of EVAP system

VIN REGISTRATION

When registering VIN in ECM

EXH V/T CONTROL LEARN

IN THIS MODE, OPERATION TO LEARN EXHAUST VALVE TIMING CONTROL MAGNET RETARDER CHARACTERISTIC.

When learning the exhaust valve timing control

TARGET IDLE RPM ADJ⁽¹⁾

When setting target idle speed

TARGET IGN TIM ADJ⁽¹⁾

When adjusting target ignition timing

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