ec engine NISSAN TIIDA 2011 Service Repair Manual

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< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005929618
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 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 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:0000000005929619
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: May 2010 2011 Versa

SC-2
< SERVICE INFORMATION >
PRECAUTIONS
SERVICE INFORMATION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005929006
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 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 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:0000000005929007
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: May 2010 2011 Versa

BATTERYSC-5
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BATTERY
How to Handle BatteryINFOID:0000000005929010
CAUTION:
• If it becomes necessary to start the engine with a booster battery and jumper cables, use a 12-volt
booster battery.
• After connecting battery cables, ensure that they are tightly clamped to battery terminals for good
contact.
• Never add distilled water through the hole used to check specific gravity.
METHODS OF PREVENTING OVER-DISCHARGE
The following precautions must be taken to prevent over-discharging
a battery.
• The battery surface (particularly its top) should always be kept
clean and dry.
• The terminal connections should be clean and tight.
• At every routine maintenance, check the electrolyte level.
This also applies to batteries designated as “low maintenance” and
“maintenance-free”.
• When the vehicle is not going to be used over a long period of time, disconnect the negative battery terminal.
• Check the charge condition of the battery. Periodically check the specific gr avity of the electrolyte. Keep a
close check on charge condition to prevent over-discharge.
CHECKING ELECTROLYTE LEVEL
WARNING:
Do not allow battery fluid to come in contact with skin, eyes, fabrics, or painted surfaces. After touch-
ing a battery, do not touch or rub your eyes until yo u have thoroughly washed your hands. If acid con-
tacts eyes, skin or clothing, imme diately flush with water for 15 minutes and seek medical attention.
MEL040F
MEL041F
MEL042F
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SC-8
< SERVICE INFORMATION >
BATTERY
INSTALLATION (All except MR18DE with CVT)
Installation is in the reverse order of removal.
CAUTION:
When connecting, connect the battery positive terminal first.
Reset electronic systems as necessary. Refer to SC-8, "
Required Procedure After Battery Disconnection".
REMOVAL (MR18DE with CVT)
1. Disconnect battery negative (1) and positive (2) terminals.
CAUTION:
When disconnecting, disconnect the battery negative termi-
nal first.
2. Remove battery hold-down frame bolts (A) and remove battery hold-down frame (3).
3. Remove battery cover.
4. Remove battery.
INSTALLATION (MR18DE with CVT)
Installation is in the reverse order of removal.
CAUTION:
When connecting, connect the battery positive terminal first.
Reset electronic systems as necessary. Refer to SC-8, "
Required Procedure After Battery Disconnection".
Required Procedure After Battery DisconnectionINFOID:0000000005929013
Battery wedge bracket bolt : 14.2 N·m (1.4 kg-m, 10 ft-lb)
Battery terminal nut : 5.4 N·m (0.55 kg-m, 48 in-lb)
ALMIA0487ZZ
Battery hold-down frame bolt : 14.2 N·m (1.4 kg-m, 10 ft-lb)
Battery terminal nut : 5.4 N·m (0.55 kg-m, 48 in-lb)
System ItemReference
Engine Control Idle Air Volume Learning EC-26
(HR16DE)
EC-580
(MR18DE)
Glasses, Window System & Mirrors Power Window System Initialization GW-31
RoofSunroof Memory Reset/Initialization RF-11
Audio, Visual, Navigation & TelephoneAudio (Radio Preset)
Refer to Owner’s Manual.
Navigation System Refer to Owner’s Manual.
Revision: May 2010 2011 Versa

STARTING SYSTEMSC-17
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DIAGNOSTIC PROCEDURE 1
Check Starter Motor Circuit
1.CHECK POWER SUPPLY TO STARTER MOTOR
1. Remove the fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
3. Turn the ignition switch OFF.
4. Check that the starter motor connector F27 connection is clean and tight.
AWBIA0771GB
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SC-18
< SERVICE INFORMATION >
STARTING SYSTEM
5. Check voltage between starter motor connector F27 terminal Band ground using a digital circuit tester.
OK or NG
OK >> GO TO 2.
NG >> Check harness between the battery and the starter motor for open circuit.
2.CHECK VOLTAGE DROP ON STARTER MOTOR CIRCUIT
1. Check voltage between starter motor connector F27 terminal B and battery positive terminal using a digital circuit tester.
OK or NG
OK >> GO TO 3.
NG >> Check harness between the battery and the starter motor for poor continuity.
3.CHECK VOLTAGE DROP ON STARTER MOTOR GROUND CIRCUIT
1. Check voltage between starter motor case and battery negative terminal using a digital circuit tester.
OK or NG
OK >> Starter motor ground circuit is OK. Further inspection is necessary. Refer to "WORK FLOW".
NG >> Check harness between the starter motor case and
ground for poor continuity.
DIAGNOSTIC PROCEDURE 2
Check Magnetic Switch Circuit
1.CHECK POWER SUPPLY TO MAGNETIC SWITCH
1. Remove the fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
3. Turn the ignition switch OFF.
4. Disconnect starter motor connector F28.
5. Check voltage between starter motor connector F28 terminal S and ground using a digital circuit tester.
OK or NG
OK >> GO TO 2.
NG >> Check the following: • 40A fusible link (letter h, located in fuse and fusible
link box)
Battery voltage should exist
WKIA0137E
Ignition switch in
START
: Less than 0.2V
WKIA0138E
Ignition switch in
START : Less than 0.2V
AWBIA0750GB
Ignition switch in
START: Battery voltage
AWBIA0751GB
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STARTING SYSTEMSC-19
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• 10A fuse (No. 49, M/T model s, located in the IPDM E/R)
• 15A fuse (No. 52, located in the IPDM E/R)
• 20A fuse (No. 53, located in the IPDM E/R)
• Transmission range switch, clutch interlock switch or TCM depending on equipment
• Ignition switch
• Ignition relay IPDM E/R
• Starter relay IPDM E/R
• Starter relay request ON signal from BCM
• Harness for open or short circuit
2.CHECK VOLTAGE DROP ON MAGNETIC SWITCH CIRCUIT
1. Connect starter motor connector F28.
2. Check voltage between starter motor connector F28 terminal S and battery positive terminal using a digital circuit tester.
OK or NG
OK >> Magnetic switch circuit is OK. Further inspection is nec-
essary. Refer to "WORK FLOW".
NG >> Check harness, components and connections between the battery and the magnetic switch for poor continuity.
MINIMUM SPECIFICATION OF CRANKING VO LTAGE REFERENCING COOLANT TEMPERA-
TURE
Removal and Installation HR16DEINFOID:0000000005929017
Ignition switch in
START : Less than 1V
AWBIA0752GB
Engine coolant temperature
Voltage V
− 30 °C to − 20°C ( −22 °F to −4 °F) 8.4
− 19 °C to − 10°C ( −2°F to 14 °F) 8.9
− 9 °C to 0 °C (16 °F to 32 °F) 9.3
More than 1 °C (More than 34 °F) 9.7
1. Cylinder block2. "B" terminal harness3. "S" terminal harness
4. Starter motor Engine front
AWBIA0885GB
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CHARGING SYSTEMSC-21
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CHARGING SYSTEM
System DescriptionINFOID:0000000005929019
The generator provides DC voltage to operate the vehicl e's electrical system and to keep the battery charged.
The voltage output is controlled by the IC regulator.
Power is supplied at all times to generator terminal 3 through
• 10A fuse (No. 29, located in the fuse and fusible link box).
Power is supplied through terminal 1 to charge the batte ry and operate the vehicle's electrical system. Output
voltage is monitored at terminal 3 by the IC regulator. The charging circuit is protected by the 120A fusible link
[letter a , located in the fusible link box (battery)].
Ground is supplied
• to generator terminal 5
• through body ground F5, and
• through the generator case to the cylinder block
With the ignition switch in the ON or START position, power is supplied
• through 10A fuse [No. 3, located in the fuse block (J/B)]
• to combination meter terminal 28 for the charge warning lamp.
The IC regulator controls ground to terminal 38 of the combination meter through terminal 2 of the generator.
When the ignition is turned on and power becomes availabl e at terminal 2, this "wakes up" the regulator. The
regulator monitors charge output and grounds terminal 2 or leaves it open depending on charge output. With
power and ground supplied, the charge warning lamp will il luminate. When the generator is providing sufficient
voltage, the ground is opened and the charge warning lamp will go off.
If the charge warning lamp illuminates with the engine running, a malfunction is indicated.
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< SERVICE INFORMATION >
CHARGING SYSTEM
2.CHECK CHARGE WARNING LAMP CIRCUIT
1. Disconnect generator connector F1.
2. Apply ground to generator connector F1 terminal 2 with the igni- tion switch in the ON position.
OK or NG
OK >> GO TO "WORK FLOW" .
NG >> Check the following. • 10A fuse [No. 3, located in fuse block (J/B)]
• CHARGE lamp
• Harness for open or short between combination meterand fuse
• Harness for open or short between combination meter and generator
DIAGNOSTIC PROCEDURE 2
Check Battery Circuit
1.CHECK BATTERY CIRCUIT CONNECTION
Check to see if terminal 1 is clean and tight.
OK or NG
OK >> GO TO 2.
NG >> Repair terminal 1 connection. Confirm repair by performing complete Starting/Charging system test. Refer to diagnostic station instruction manual.
2.CHECK BATTERY CIRCUIT
Check voltage between generator connector F2 terminal 1 and
ground using a digital circuit tester.
OK or NG
OK >> GO TO 3.
NG >> Check the following. • 120A fusible link [letter a , located in fusible link box
(battery)]
• Harness for open or short between generator and fus- ible link
3.CHECK VOLTAGE DROP ON BATTERY CIRCUIT
Check voltage between generator connector F2 terminal 1 and bat-
tery positive terminal using a digital circuit tester.
OK or NG
OK >> Replace the generator. Refer to SC-25, "Removal and
Installation" . Confirm repair by performing complete
Starting/Charging system test. Refer to diagnostic sta-
tion instruction manual.
NG >> Check harness between the battery and the generator for poor continuity.
DIAGNOSTIC PROCEDURE 3
Check Voltage Regulator Circuit
CHARGE lamp should light up.
WKIA5577E
Battery voltage should exist.
WKIA5547E
With engine running
at idle and warm : Less than 0.2V
AWMIA1141GB
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1.CHECK VOLTAGE REGULATOR CIRCUIT CONNECTION
Check to see if terminal 3 is clean and tight.
OK or NG
OK >> GO TO 2.
NG >> Repair terminal 3 connection. Confirm repair by performing complete Starting/Charging system test. Refer to diagnostic station instruction manual.
2.CHECK VOLTAGE REGULATOR CIRCUIT
Check voltage between generator connector F1 terminal 3 and
ground using a digital circuit tester.
OK or NG
OK >> GO TO 3.
NG >> Check the following. • 10A fuse (No. 29, located in fuse and fusible link box)
• Harness for open or short between generator and fuse
3.CHECK VOLTAGE DROP ON VOLTAGE REGULATOR CIRCUIT
Check voltage between generator connector F1 terminal 3 and bat-
tery positive terminal using a digital circuit tester.
OK or NG
OK >> Replace the generator. Refer to SC-25, "Removal and
Installation" . Confirm repair by performing complete
Starting/Charging system test. Refer to diagnostic sta-
tion instruction manual.
NG >> Check harness between the battery and the generator for poor continuity.
Removal and InstallationINFOID:0000000005929022
Battery voltage should exist.
WKIA5579E
With engine running
at idle and warm : Less than 0.2V
WKIA5580E
SKIB1945J
Revision: May 2010
2011 Versa