2007 NISSAN LATIO Service Repair Manual

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Page 1209 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-40Revision: June 2006
ON BOARD REFUELING VAPOR RECOVERY (ORVR)
2007 Versa
SYMPTOM: CANNOT REFUEL/FUEL ODOR FROM THE FUEL FILLER OPENING IS STRONG
WHILE REFUELING.
1. CHECK EVAP CANISTER
1. Remove

Page 1210 of 2896

NISSAN LATIO 2007 Service Repair Manual ON BOARD REFUELING VAPOR RECOVERY (ORVR)
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7. CHECK REFUELING EVAP VAPOR CUT VALVE
Refer to EC-42, "
Component Inspection" .
OK or NG
OK >>

Page 1211 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-42Revision: June 2006
ON BOARD REFUELING VAPOR RECOVERY (ORVR)
2007 Versa
Component InspectionUBS00QBE
REFUELING EVAP VAPOR CUT VALVE
With CONSULT-II
1. Remove fuel tank. Refer to FL-9, "FUEL TANK

Page 1212 of 2896

NISSAN LATIO 2007 Service Repair Manual ON BOARD REFUELING VAPOR RECOVERY (ORVR)
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Without CONSULT-II
1. Remove fuel tank. Refer to FL-9, "FUEL TANK" .
2. Drain fuel from the tank

Page 1213 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-44Revision: June 2006
POSITIVE CRANKCASE VENTILATION
2007 Versa
POSITIVE CRANKCASE VENTILATIONPFP:11810
DescriptionUBS00PK1
SYSTEM DESCRIPTION
This system returns blow-by gas to the intake manifold

Page 1214 of 2896

NISSAN LATIO 2007 Service Repair Manual POSITIVE CRANKCASE VENTILATION
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PCV VALVE VENTILATION HOSE
1. Check hoses and hose connections for leaks.
2. Disconnect all hoses and clean

Page 1215 of 2896

NISSAN LATIO 2007 Service Repair Manual EC-46Revision: June 2006
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
2007 Versa
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)PFP:25386
DescriptionUBS00RWM
If the security indicator lights up with t

Page 1216 of 2896

NISSAN LATIO 2007 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
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ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionUBS00QBF
The ECM has an on board diagnostic system,

ON BOARD DIAGNOSTIC (OBD) SYSTEM
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ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionUBS00QBF
The ECM has an on board diagnostic system, which detects malfunctions related to engine sensors or actua-
tors. The ECM also records various emission-related diagnostic information including:
The above information can be checked using procedures listed in the table below.
×: Applicable —: Not applicable
*: When DTC and 1st trip DTC simultaneously appear on the display, they cannot be clearly distinguished from each other.
The malfunction indicator lamp (MIL) on the instrument panel lights up when the same malfunction is detected
in two consecutive trips (Two trip detection logic), or when the ECM enters fail-safe mode.
(Refer to EC-91, "
Fail-Safe Chart" .)
Two Trip Detection LogicUBS00QBG
When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the
ECM memory. The MIL will not light up at this stage. <1st trip>
If the same malfunction is detected again during the next drive, the DTC and Freeze Frame data are stored in
the ECM memory, and the MIL lights up. The MIL lights up at the same time when the DTC is stored. <2nd
trip> The “trip” in the “Two Trip Detection Logic” means a driving mode in which self-diagnosis is performed
during vehicle operation. Specific on board diagnostic items will cause the ECM to light up or blink the MIL,
and store DTC and Freeze Frame data, even in the 1st trip, as shown below.
×: Applicable —: Not applicable
When there is an open circuit on MIL circuit, the ECM cannot warn the driver by MIL lighting up when there is
malfunction on engine control system.
Emission-related diagnostic information Diagnostic service
Diagnostic Trouble Code (DTC) Service $03 of SAE J1979
Freeze Frame data Service $02 of SAE J1979
System Readiness Test (SRT) code Service $01 of SAE J1979
1st Trip Diagnostic Trouble Code (1st Trip DTC) Service $07 of SAE J1979
1st Trip Freeze Frame data
Test values and Test limits Service $06 of SAE J1979
Calibration ID Service $09 of SAE J1979
DTC 1st trip DTCFreeze Frame
data1st trip Freeze
Frame dataSRT code SRT status Test value
CONSULT-II××××××—
GST×× ×—×××
ECM××*———×—
ItemsMIL DTC 1st trip DTC
1st trip 2nd trip
1st trip
displaying2nd trip
displaying1st trip
displaying2nd trip
display-
ing BlinkingLighting
upBlinkingLighting
up
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0304 is being detected×———— —×—
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0304 is being detected——×——×——
One trip detection diagnoses
(Refer to EC-48, "
EMISSION-
RELATED DIAGNOSTIC INFOR-
MATION ITEMS" .)—×——×———
Except above — — —×—××—

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