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WORK ITEM CONDITION USAGE
EVAP SYSTEM CLOSE OPEN THE VACUUM CUT VALVE BYPASS VALVE AND
CLOSE THE EVAP CANISTER VENT CONTROL VALVE
IN ORDER TO MAKE EVAP SYSTEM CLOSE UNDER
THE FOLLOWING CONDITIONS.
I IGN SW “ON”
I ENGINE NOT RUNNING
I AMBIENT TEMPERATURE IS ABOVE 0°C (32°F).
I NO VACUUM AND NO HIGH PRESSURE IN EVAP
SYSTEM
I TANK FUEL TEMP. IS MORE THAN 0°C (32°F).
I WITHIN 10 MINUTES AFTER STARTING “EVAP SYS-
TEM CLOSE”
I WHEN TRYING TO EXECUTE “EVAP SYSTEM
CLOSE” UNDER THE CONDITION EXCEPT ABOVE,
CONSULT-II WILL DISCONTINUE IT AND DISPLAY
APPROPRIATE INSTRUCTION.
NOTE:
WHEN STARTING ENGINE, CONSULT-II MAY DIS-
PLAY “BATTERY VOLTAGE IS LOW. CHARGE
BATTERY”, EVEN IN USING CHARGED BATTERY.
When detecting EVAP vapor leak
point of EVAP system
TARGET IDLE RPM ADJ* I IDLE CONDITION When setting target idle speed
TARGET IGNITION TIMING ADJ* I IDLE CONDITION When adjusting target ignition tim-
ing
After adjustment, confirm target
ignition timing with a timing light.
*: This function is not necessary in the usual service procedure.
SELF-DIAGNOSTIC MODE
NHEC0034S05
DTC and 1st Trip DTC
NHEC0034S0501
Regarding items of “DTC and 1st trip DTC”, refer to “TROUBLE
DIAGNOSIS — INDEX”. (See EC-8.)
Freeze Frame Data and 1st Trip Freeze Frame Data
NHEC0034S0502
Freeze frame data
item*1
Description
DIAG TROUBLE
CODE
[PXXXX]
I The engine control component part/control system has a trouble code, it is displayed as “PXXXX”.
(Refer to “TROUBLE DIAGNOSIS — INDEX”, EC-8.)
FUEL SYS-B1*2
I “Fuel injection system status” at the moment a malfunction is detected is displayed.
I One mode in the following is displayed.
“MODE 2”: Open loop due to detected system malfunction
“MODE 3”: Open loop due to driving conditions (power enrichment, deceleration enrichment)
“MODE 4”: Closed loop - using oxygen sensor(s) as feedback for fuel control
“MODE 5”: Open loop - has not yet satisfied condition to go to closed loop
FUEL SYS-B2*2
CAL/LD VALUE [%] I The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP [°C]
or [°F]
I The engine coolant temperature at the moment a malfunction is detected is displayed.
S-FUEL TRIM-B1 [%]
I “Short-term fuel trim” at the moment a malfunction is detected is displayed.
I The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel
schedule.
S-FUEL TRIM-B2 [%]
L-FUEL TRIM-B1 [%]
I “Long-term fuel trim” at the moment a malfunction is detected is displayed.
I The long-term fuel trim indicates much more gradual feedback compensation to the base fuel schedule
than short-term fuel trim.
L-FUEL TRIM-B2 [%]
ENGINE SPEED
[rpm]
I The engine speed at the moment a malfunction is detected is displayed.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
CONSULT-II (Cont’d)
EC-93
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