O2 sensor NISSAN LATIO 2010 Service Repair Manual

REFRIGERANT LINESMTC-93
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Moving the electronic leak detector probe slower and closer to the suspected leak area will improve
the chances of finding a leak.
Checking System for Leaks Using the Fluorescent Leak DetectorINFOID:0000000005396532
1. Check A/C system for leaks using the UV lamp and safety goggles J-42220 in a low sunlight area (area
without windows preferable). Illuminate all components, fittings and lines. The dye will appear as a bright
green/yellow area at the point of leakage. Fluoresc ent dye observed at the evaporator drain opening indi-
cates an evaporator core assembly (tubes, core or expansion valve) leak.
2. If the suspected area is difficult to see, use an adjustable mirror or wipe the area with a clean shop rag or
cloth, with the UV lamp for dye residue.
3. After the leak is repaired, remove any residual dye using dye cleaner J-43872 to prevent future misdiag- nosis.
4. Perform a system performance check and verify the leak repair with an approved electronic refrigerant leak detector.
NOTE:
Other gases in the work area or substances on the A/C components, for example, anti-freeze, windshield
washer fluid, solvents and oils, may falsely trigger the leak detector. Make sure the surfaces to be checked are
clean.
Clean with a dry cloth or blow off with shop air.
Do not allow the sensor tip of the detector to contact with any substance. This can also cause false readings
and may damage the detector.
Dye InjectionINFOID:0000000005396533
(This procedure is only necessary when recharging t he system or when the compressor has seized and was
replaced.)
1. Check A/C system static (at rest) pressure. Pres sure must be at least 345 kPa (3.45 bar, 3.52 kg/cm
2, 50
psi).
2. Pour one bottle (1/4 ounce / 7.4 cc) of the A/C refrigerant dye into the injector tool J-41459.
3. Connect the injector tool to the A/C low-pressure side service fitting.
4. Start engine and switch A/C ON.
5. When the A/C operating (compressor running), inject one bottle (1/4 ounce / 7.4 cc) of fluorescent dye
through the low-pressure service valve using dye injector tool J-41459 (refer to the manufacture’s operat-
ing instructions).
6. With the engine still running, disconnect the injector tool from the service fitting.
CAUTION:
Be careful the A/C system or replacing a componen t, pour the dye directly into the open system
connection and proceed wi th the service procedures.
7. Operate the A/C system for a minimum of 20 minutes to mix the dye with the system oil. Depending on the
leak size, operating conditions and location of the leak , it may take from minutes to days for the dye to
penetrate a leak and become visible.
Electronic Refrigerant Leak DetectorINFOID:0000000005396534
PRECAUTIONS FOR HANDLING LEAK DETECTOR
When performing a refrigerant leak check, use an A/C electrical leak
detector (SST) or equivalent. Ensure that the instrument is calibrated
and set properly per the operating instructions.
The leak detector is a delicate device. In order to use the leak detec-
tor properly, read the operating instructions and perform any speci-
fied maintenance.
AHA281A
Revision: January 20102010 Versa

MTC-94
< SERVICE INFORMATION >
REFRIGERANT LINES
1. Position probe approximately 5 mm (3/16 in) away from point tobe checked.
2. When testing, circle each fitting completely with probe.
3. Move probe along component approximately 25 to 50 mm (1 to 2 in) per second.
CHECKING PROCEDURE
To prevent inaccurate or false readings, make sure there is no refrigerant vapor, shop chemicals, or cigarette
smoke in the vicinity of the vehicle. Perform the leak test in calm area (low air/wind movement) so that the
leaking refrigerant is not dispersed.
1. Turn engine OFF.
2. Connect a suitable A/C manifold gauge set to the A/C service ports.
3. Check if the A/C refrigerant pressure is at least 345 kPa (3.45 bar, 3.52 kg/cm
2, 50 psi) above 16°C. If less
than specification, recover/evacuate and recharge the system with the specified amount of refrigerant.
NOTE:
At temperatures below 16 °C, leaks may not be detected since t he system may not reach 345 kPa (3.45
bar, 3.52 kg/cm
2, 50 psi).
4. Perform the leak test from the high-pressure side (compressor dischar ge a to evaporator inlet f) to the
low-pressure side (evaporator drain hose g to shaft seal k). Refer to MTC-77, "
Component". Perform a
leak check for the following areas carefully. Clean the component to be checked and move the leak
detected probe completely around the connection/component.
• Compressor
Check the fitting of high- and low-pressure flexible hoses, relief valve and shaft seal.
• Condenser
Check the fitting of high-pressure flexible hose and pipe, refrigerant pressure sensor.
• Liquid tank Check the refrigerant connection.
• Service valves
SHA707EA
SHA706E
SHA708EA
Revision: January 20102010 Versa

PB-2
< SERVICE INFORMATION >
PRECAUTIONS
SERVICE INFORMATION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005397013
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 severity 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 SRS and SB section of this Service Man-
ual.
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 NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect 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 SRS section.
• 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 Necessary for Steering W heel Rotation After Battery Disconnect
INFOID:0000000005397014
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery pow er is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
Revision: January 20102010 Versa

PG-2
< SERVICE INFORMATION >
PRECAUTIONS
SERVICE INFORMATION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005395347
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 severity 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 SRS and SB section of this Service Man-
ual.
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 NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect 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 SRS section.
• 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 Necessary for Steering W heel Rotation After Battery Disconnect
INFOID:0000000005995526
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery pow er is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
Revision: January 20102010 Versa

HARNESSPG-41
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C2 M6 W/4 : Steering lock solenoid D2 M43 W/20 : Audio unit
B3 M7 W/16 : Door mirror re mote control switch D2 M44 W/16 : Audio unit
A3 M8 W/16 : To D2 D2 M45 W/12 : Audio unit
A3 M9 W/16 : To D1 A1 M46 BR/2 : Front tweeter LH
E2 M10 GR/2 : Instrument panel antenna G1 M47 BR/2 : Front tweeter RH
G3 M11 W/4 : To B106 B2 M48 L/4 : Heated mirror relay
G4 M12 W/16 : To B101 E1 M49 W/24 : iPod ® adapter
G3 M13 W/24 : To B102 E1 M50 GR/16 : iPod ® side
G3 M14 W/24 : To B120 E2 M52 W/40 : Intelligent key unit
B4 M15 W/16 : To B23 B2 M53 W/16 : EPS control unit
B4 M16 W/24 : To B24 B3 M54 B/2 : EPS control unit
D5 M17 B/1 : Parking brake switch D2 M55 W/4 : Hazard switch
F2 M18 W/40 : BCM (body control module) B2 M57 — : Body ground
F2 M19 W/15 : BCM (body control module) F2 M59 W/2 : Glove box lamp
F3 M20 B/15 : BCM (body control module)C1 M60 L/2 : EPS control unit
C2 M21 W/4 : NATS antenna amp. F1 M61 — : Body ground
B3 M22 W/16 : Data link connector E2 M62 W/2 : Front blower motor
E3 M23 W/4 : Remote keyless entry receiver C1 M63 W/4 : Torque sensor
C1 M24 W/40 : Combination meter C3 M64 W/8 : Steering angle sensor
C3 M25 /2 : Diode-1 A2 M69 SMJ : To E7
B2 M26 W/6 : Ignition switch D2 M70 W/24 : AV control unit
C2 M27 GR/6 : Key switch and key lock solenoid D2 M71 W/9 : AV control unit
C2 M28 W/16 : Combination switch D1 M72 B/5 : USB interface and aux jack
C3 M29 Y/6 : Combination switch B2 M73 GR/6 : Key switch and ignition knob switch
C3 M30 GR/8 : Combination switch G3 M74 W/12 : To D102
A4 M31 W/24 : To B1 G3 M75 W/12 : To D101
E3 M32 W/4 : To M150 E1 M76 B/4 : USB interface and aux jack
D2 M33 B/15 : Front air control F2 M77 Y/4 : Front passenger air bag module
B3 M34 GR/6 : VDC OFF switch A2 M78 B/2 : To E11
D4 M35 Y/28 : Air bag diagnosis sensor unit B1 M79 — : Body ground
C3 M36 W/3 : Front passenger air bag OFF indicator D3 M150 W/4 : To M32
D4 M38 W/6 : A/T shift selector (with A/T) C3 M151 W/4 : Front blower motor resistor
D4 M38 W/6 : CVT shift selector (without intelligent
key)
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HARNESSPG-43
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ENGINE ROOM HARNESS (RH VIEW)
D3 E8 SMJ : To F8 A2 E34 BR/2 : Clutch interlock switch (with M/T)
B4 E9 BR/2 : Fusible link box (battery) A2 E35 BR/2 : ASCD clutch switch
B3 E10 GR/2 : Fusible link box (battery) A2 E36 BR/2 : ASCD brake switch
B1 E11 B/2 : To M78 B4 E40 GR/2 : Brake fluid level switch
A3 E12 B/6 : Accelerator pedal position sensor D3 E42 B/2 : IPDM E/R (intelligent power distribution
module engine room)
A2 E13 B/2 : Stop lamp switch (with M/T) C3 E43 W/16: IPDM E/R (intelligent power distribution
module engine room)
A2 E13 W/4 : Stop lamp switch (without M/T) C3 E44 W/6: IPDM E/R (intelligent power distribution
module engine room)
D3 E14 — : Engine ground (crash zone sensor) D3 E45 BR/12 : IPDM E/R (intelligent power distribution
module engine room)
C2 E15 — : Engine ground D3 E46 W/12: IPDM E/R (intelligent power distribution
module engine room)
B2 E16 B/32 : ECM C3 E47 BR/8: IPDM E/R (intelligent power distribution
module engine room)
C5 E18 B/1 : Horn D3 E48 B/6: IPDM E/R (intelligent power distribution
module engine room)
C4 E19 GR/6 : To F33 D1 E51 B/2 : Front wheel sensor LH
D5 E20 B/1 : Horn D3 E53 B/2 : Front combination lamp LH (parking)
Revision: January 20102010 Versa

PG-44
< SERVICE INFORMATION >
HARNESS
Refer to "ENGINE ROOM HARNESS (LH VIEW)" for continuation of engine room harness.
G2 E1 GR/5 : Front wiper motor F2 E33 B/26 : ABS actuator and electric unit (control unit)
C3 E2 B/2 : Front and rear washer motor E2 E37 B/5 : Daytime light relay 1
F5 E4 Y/2 : Crash zone sensor D2 E38 L/5 : Daytime light relay 2
E4 E17 B/3 : Refrigerant pressure sensor E2 E41 — : Ground (ABS)
D2 E24 — : Engine ground C3 E50 W/2 : Washer fluid level switch
C3 E26 B/3 : Front combination lamp RH (headlamp) D1 E52 B/2 : Front wheel sensor RH
C4 E28 B/2 : Front fog lamp RH D2 E54 B/2 : Front combination lamp RH (parking)
D3 E30 B/2 : Front combination lamp RH (turn signal)
Revision: January 20102010 Versa

PG-46
< SERVICE INFORMATION >
HARNESS
BODY HARNESS (HATCHBACK)
E3 F6 GR/2 : Engine coolant temperature sensor F5 F30 B/8 : Terminal cord assembly
D2 F7 B/6 : Electric throttle control actuatorF2 F31 B/6 : Mass air flow sensor
G4 F8 SMJ : To E8 C5 F32 GR/1 : Oil pressure switch
B4 F9 — : Engine ground F5 F33 GR/6 : To E19
G2 F10 GR/32 : ECM C3 F34 GR/3 : Ignition coil No. 1 (with power transistor)
G2 F11 BR/48 : ECM C3 F35 GR/3 : Ignition coil No. 2 (with power transistor)
D3 F12 GR/4 : Air fuel ratio (A/F) sensor 1 C3 F36 GR/3 : Ignition coil No. 3 (with power transistor)
E2 F13 B/4 : Heated oxygen sensor 2 C3 F37 GR/3 : Ignition coil No. 4 (with power transistor)
C4 F14 B/2 : Knock sensor E5 F38 BR/3 : Output Speed sensor
D3 F15 B/3 : Crankshaft position sensor (POS) E4 F39 — : Fusible link box (battery)
C4 F16 — : Engine ground E4 F40 — : Fusible link box (battery)
B4 F17 GR/2 : Fuel injector No. 1 E2 F41 GR/2 : Vehicle speed sensor
C4 F18 GR/2 : Fuel injector No. 2 F5 F45 GR/3 : Input speed sensor
C4 F19 GR/2 : Fuel injector No. 3E5 F46 GR/22 : CVT unit
D4 F20 GR/2 : Fuel injector No. 4 E5 F47 B/3 : Input speed sensor
D4 F21 B/3 : Camshaft position sensor (PHASE) E3 F48 B/3 : Secondary speed sensor (with M/T)
C3 F22 GR/2 : EVAP canister purge volume control
solenoid valve E5 F52 G/8 : Transmission range switch (with CVT)
B3 F23 GR/2 : Intake valve timing control solenoid valve
Revision: January 20102010 Versa

HARNESSPG-47
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A4 B1 W/24 : To M31 C4 B14 Y/2 : Front LH seat belt pre-tensioner
G4 B2 GR/2 : Rear bumper antenna C5 B15 Y/2 : LH side air bag (satellite) sensor
B4 B3 B/4 : Yaw rate/ side/ decel G sensor G4 B16 BR/2 : License plate lamp LH
C4 B4 W/8 : To D201 G4 B17 BR/2 : License plate lamp RH
C4 B5 — : Body ground F3 B19 — : Body ground
E4 B6 W/1 : Rear door switch LH F3 B21 W/2 : Luggage room lamp
C4 B7 — : Body ground A4 B23 W/16 : To M15
C4 B8 W/3 : Front door switch LH A4 B24 W/24 : To M16
C4 B9 Y/12 : Air bag diagnosis sensor unit F3 B25 BR/6 : Rear combination lamp LH
C4 B10 Y/2 : Front LH side air bag module F3 B26 Y/2 : LH side curtain air bag module
F3 B13 W/3 : Seat belt buckle switch LH
Revision: January 20102010 Versa

PG-48
< SERVICE INFORMATION >
HARNESS
BODY HARNESS (SEDAN)
ABMIA1594GB
A4 B1 W/24 : To M31C4 B14 Y/2 : Front LH seat belt pre-tensioner
G4 B2 GR/2 : Rear bumper antenna C5 B15 Y/2 : LH side air bag (satellite) sensor
B4 B3 B/4 : Yaw rate/ side/ decel G sensor F2 B18 W/2 : High mounted stop lamp
C4 B4 W/8 : To D201 E3 B19 — : Body ground
C4 B5 — : Body ground F2 B21 W/2 : Luggage room lamp
Revision: January 20102010 Versa