2008 NISSAN LATIO Service Repair Manual

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Page 1113 of 2771

NISSAN LATIO 2008 Service Repair Manual ON BOARD REFUELING VAPOR RECOVERY (ORVR)
EC-39
< SERVICE INFORMATION >
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Does water drain from the EVAP canister?
Ye s o r N o
Yes >> GO TO 3.
No >> GO TO 5.
3.REPLACE

Page 1114 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-40
< SERVICE INFORMATION >
ON BOARD REFUELING VAPOR RECOVERY (ORVR)
>> GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the EVAP hose between EVAP canister and vehicle frame for clogging or poor connect

Page 1115 of 2771

NISSAN LATIO 2008 Service Repair Manual ON BOARD REFUELING VAPOR RECOVERY (ORVR)
EC-41
< SERVICE INFORMATION >
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1. Remove fuel tank. Refer to FL-9.
2. Drain fuel from the tank as follows:
a. Remove fuel feed h

Page 1116 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-42
< SERVICE INFORMATION >
ON BOARD REFUELING VAPOR RECOVERY (ORVR)
b. Remove fuel gauge retainer with fuel gauge unit.
Always replace O-ring with new one.
c. Put fuel tank upside down.
d. Apply va

Page 1117 of 2771

NISSAN LATIO 2008 Service Repair Manual POSITIVE CRANKCASE VENTILATION
EC-43
< SERVICE INFORMATION >
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POSITIVE CRANKCASE VENTILATION
DescriptionINFOID:0000000001702570
SYSTEM DESCRIPTION
This system returns bl

Page 1118 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-44
< SERVICE INFORMATION >
POSITIVE CRANKCASE VENTILATION
PCV VALVE VENTILATION HOSE
1. Check hoses and hose connections for leaks.
2. Disconnect all hoses and clean with compressed air. If any hos

Page 1119 of 2771

NISSAN LATIO 2008 Service Repair Manual NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
EC-45
< SERVICE INFORMATION >
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NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)
DescriptionINFOID:0000000001702572
•If the s

Page 1120 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-46
< SERVICE INFORMATION >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
ON BOARD DIAGNOSTIC (OBD) SYSTEM
IntroductionINFOID:0000000001702573
The ECM has an on board diagnostic system, which detects malfunction

EC-46
< SERVICE INFORMATION >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
ON BOARD DIAGNOSTIC (OBD) SYSTEM
IntroductionINFOID:0000000001702573
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-87, "
Fail-Safe Chart".)
Two Trip Detection LogicINFOID:0000000001702574
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 catalyst
damage) — DTC: P0300 - P0304 is
being detected×———— —×—
Misfire (Possible three way catalyst
damage) — DTC: P0300 - P0304 is
being detected——×——×——
One trip detection diagnoses
(Refer to EC-47, "
Emission-related
Diagnostic Information".)—×——×———
Except above — — —×—××—

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