2009 NISSAN LATIO Service Repair Manual

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Page 1841 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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MISFIRE A1H Multiple Cylinder Misfires P0301 80H 24H
Misfiring counter at 1000 revolution of
the first cylinder
P0302 81H 24H Misfiring counter at 1000 revolution of
the second cylinder
P030

Page 1842 of 4331

Page 1843 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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SYMPTOM DIAGNOSIS
ENGINE CONTROL SYSTEM SYMPTOMS
Symptom Table INFOID:0000000004780390
SYSTEM — BASIC ENGINE CONTROL SYSTEM SYMPTOM
Reference
pageHARD/NO START/RESTART (EXCP. HA)
ENGINE STA

Page 1844 of 4331

NISSAN LATIO 2009 Service Repair Manual Camshaft position sensor (PHASE) circuit 3 2
EC-268Vehicle speed signal circuit 2 3 3 3
EC-347ECM 2 2 3 3 3 3 3 3 3 3 3
EC-353 EC-355
Intake valve timing control solenoid valve cir-
cuit 3 2 1 3 2 2 3

Page 1845 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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SYMPTOM
Reference pageHARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
ID

Page 1846 of 4331

NISSAN LATIO 2009 Service Repair Manual Camshaft
EM-58Intake valve timing control
EM-49Intake valve
3EM-82 Exhaust valve
Exhaust Exhaust manifold/Tube/Muf- fler/Gasket 5 5 5 5 5 5 5 5 EM-31 EX-4
Three way catalyst
Lubrica-
tion Oil pan/Oil

Page 1847 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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NORMAL OPERATING CONDITION
Description INFOID:0000000004780391
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED) If the engine speed is above 2,500 rpm under no load (for ex ample, the selec

Page 1848 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-492< PRECAUTION >
[HR16DE]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER" INFOID:0000000004786987
The Supplemental

EC-492< PRECAUTION >
[HR16DE]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER" INFOID:0000000004786987
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SUPPLEMENTAL RESTRAINT SYS-
TEM” and “SEAT BELTS” of this Service Manual.
WARNING:
• To avoid rendering the SRS inopera tive, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISS AN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the “SUPPLEMEN TAL RESTRAINT SYSTEM”.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the ignition OFF, disconnect the
battery, and wait at least 3 minu tes before performing any service.
Precaution for Procedure without Cowl Top Cover INFOID:0000000004786988
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
On Board Diagnosis (OBD) S ystem of Engine and A/T INFOID:0000000004780394
The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:
• Be sure to turn the ignition sw itch OFF and disconnect the negative battery cable before any repair
or inspection work. The open/short circuit of re lated switches, sensors, solenoid valves, etc. will
cause the MIL to light up.
• Be sure to connect and lock the connectors secure ly after work. A loose (unlocked) connector will
cause the MIL to light up due to the open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)
• Certain systems and components, especially those related to OBD, may use a new style slide-lock-
ing type harness connector. For descrip tion and how to disconnect, refer to PG-64, " Description " .PIIB3706J

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