Murano Cross Cabriolet Z51 (2011 year). Manual — part 17
CHG-22
< DTC/CIRCUIT DIAGNOSIS >
L TERMINAL CIRCUIT (OPEN)
2.
Check voltage between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Inspect the power supply circuit. Refer to
PG-66, "Wiring Diagram - IGNITION POWER SUPPLY -
Terminals
Condition
Voltage (Approx.)
(+)
(–)
Combination meter
harness connector
Terminal
M34
2
Ground
When the ignition switch is in
ON position
Battery voltage
Revision: 2012 March
2011 Murano CrossCabriolet
CHG
L TERMINAL CIRCUIT (SHORT)
CHG-23
< DTC/CIRCUIT DIAGNOSIS >
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L TERMINAL CIRCUIT (SHORT)
Description
INFOID:0000000006938938
The “L” terminal circuit controls the charge warning lamp. The charge warning lamp illuminates when the igni-
tion switch is set to ON or START. When the alternator is providing sufficient voltage with the engine running,
the charge warning lamp will go off. If the charge warning lamp illuminates with the engine running, a malfunc-
tion is indicated.
Diagnosis Procedure
INFOID:0000000006938939
1.
CHECK “L” TERMINAL CIRCUIT (SHORT)
1.
Turn ignition switch OFF.
2.
Disconnect alternator connector.
3.
Turn ignition switch ON.
Does charge warning lamp illuminate?
YES
>> GO TO 2.
NO
>> Refer to
2.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
1.
Turn the ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Disconnect combination meter connector.
4.
Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Repair the harness.
Combination meter harness connector
Ground
Continuity
Connector No.
Terminal No.
M34
25
Not existed
Revision: 2012 March
2011 Murano CrossCabriolet
CHG-24
< DTC/CIRCUIT DIAGNOSIS >
S TERMINAL CIRCUIT
S TERMINAL CIRCUIT
Description
INFOID:0000000006938940
The output voltage of the alternator is controlled by the IC voltage regulator at the “S” terminal detecting the
input voltage.
The “S” terminal circuit detects the battery voltage to adjust the alternator output voltage with the IC voltage
regulator.
Diagnosis Procedure
INFOID:0000000006938941
1.
CHECK “S” TERMINAL CONNECTION
1.
Turn ignition switch OFF.
2.
Check if “S” terminal is clean and tight.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair “S” terminal connection. Confirm repair by performing complete Starting/Charging system
test. Refer to Technical Service Bulletin.
2.
CHECK “S” TERMINAL CIRCUIT
Check voltage between alternator harness connector and ground.
Is the inspection result normal?
YES
>> Refer to
NO
>> Check harness for open between alternator and fuse.
Terminals
Voltage (Approx.)
(+)
(–)
Alternator harness connector
Terminal
F60
4
Ground
Battery voltage
Revision: 2012 March
2011 Murano CrossCabriolet
CHG
CHARGING SYSTEM
CHG-25
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
CHARGING SYSTEM
Symptom Table
INFOID:0000000006938943
Symptom
Reference
Discharged battery
The charge warning lamp does not illuminate when the ignition
switch is set to ON.
The charge warning lamp does not turn OFF after the engine
starts.
The charge warning lamp turns ON when increasing the engine
speed.
Revision: 2012 March
2011 Murano CrossCabriolet
CHG-26
< REMOVAL AND INSTALLATION >
ALTERNATOR
REMOVAL AND INSTALLATION
ALTERNATOR
Exploded View
INFOID:0000000006938952
REMOVAL
DISASSEMBLY
1.
Alternator mounting bolt (lower)
2.
Alternator bracket
3.
Alternator bracket mounting bolt
4.
Alternator connector
5.
Alternator
6.
Alternator mounting nut (lower)
7.
“B” terminal nut
8.
Alternator mounting bolt (upper)
: Vehicle front
: N·m (kg-m, ft-lb)
JMMIA0590GB
Revision: 2012 March
2011 Murano CrossCabriolet
CHG
ALTERNATOR
CHG-27
< REMOVAL AND INSTALLATION >
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Type: A003TJ1791
Removal and Installation
INFOID:0000000006938953
REMOVAL
1.
Disconnect the negative battery terminal. Refer to
PG-112, "Removal and Installation"
2.
Remove engine cover.
3.
Remove front wheel and tire RH.
4.
Remove splash guard RH. Refer to
EXT-26, "FENDER PROTECTOR : Exploded View"
5.
Remove air cleaner and air duct assembly. Refer to
EM-26, "Removal and Installation"
6.
Remove drive belt. Refer to
EM-14, "Removal and Installation"
.
7.
Remove A/C compressor. Refer to
HA-29, "COMPRESSOR : Removal and Installation"
8.
Remove idler pulley.
9.
Disconnect the oil pressure switch.
10. Disconnect the alternator connectors.
11. Remove the alternator bolt and nuts, using power tools.
12. Slide the alternator out and remove.
INSTALLATION
Note the following items, and then install in the reverse order of removal.
CAUTION:
JMMIA0851GB
1.
Rear bearing
2.
Rotor assembly
3.
Retainer
4.
Front bearing
5.
Front bracket assembly
6.
Through bolt
7.
Pulley
8.
Pulley nut
9.
Stator assembly
10. IC voltage regulator assembly
11.
Diode assembly
12. Rear bracket assembly
13. Terminal set
: Always replace after every disassembly.
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
Revision: 2012 March
2011 Murano CrossCabriolet
CHG-28
< REMOVAL AND INSTALLATION >
ALTERNATOR
• Temporarily tighten all of alternator bolt and nuts. And then
tighten them in numerical order shown in the figure.
• Be careful to tighten “B” terminal nut carefully.
• Install alternator and check tension of belt. Refer to
.
• For this model, the power generation voltage variable control system that controls the power gener-
ation voltage of the alternator has been adopted. Therefore, the power generation voltage variable
control system operation inspection should be performed after replacing the alternator, and then
make sure that the system operates normally. Refer to
CHG-18, "Inspection Procedure"
Inspection
INFOID:0000000006938954
ALTERNATOR PULLEY INSPECTION
Perform the following.
• Make sure that alternator pulley does not rattle.
• Make sure that alternator pulley nut is tight.
JPMIA0831ZZ
Revision: 2012 March
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CHG
SERVICE DATA AND SPECIFICATIONS (SDS)
CHG-29
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Alternator
INFOID:0000000006938955
*: Adjustment range of power generation voltage variable control is 11.4 – 15.6 V.
Type
A003TJ1791
MITSUBISHI make
Nominal rating
[V - A]
12 – 130
Ground polarity
Negative
Minimum revolution under no-load (When 13.5 V is ap-
plied)
[rpm]
Less than 1,300
Hot output current (When 13.5 V is applied)
[A/rpm]
More than 61/1,500
More than 109/2,500
More than 129/5,000
Regulated output voltage
[V]
14.1 – 14.7
*
Minimum length of brush
[mm (in)]
More than 5.00 (0.197)
Brush spring pressure
[N (g, oz)]
4.1 – 5.3 (418 – 541, 14.7 – 19.1)
Slip ring minimum outer diameter
[mm (in)]
More than 22.1 (0.870)
Rotor (Field coil) resistance
[
Ω
]
1.8 – 2.2
Revision: 2012 March
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CO-1
ENGINE
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SECTION
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CONTENTS
ENGINE COOLING SYSTEM
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Liquid Gasket . . . . . . . . . . . . . . ...
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tools . . . . . . . . . ...
SYSTEM DESCRIPTION . . . . . . . ..
DESCRIPTION . . . . . . . . . . . . .
Engine Cooling System . . . . . . . . . . ...
Engine Cooling System Schematic . . . . . .....
SYMPTOM DIAGNOSIS . . . . . . . ...
OVERHEATING CAUSE ANALYSIS . . . . ..
Troubleshooting Chart . . . . . . . . . . . ..
PERIODIC MAINTENANCE . . . . . . ..
ENGINE COOLANT . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . . ..
Draining . . . . . . . . . . . . . . . . .....
Refilling . . . . . . . . . . . . . . . . .....
Flushing . . . . . . . . . . . . . . . . ...
RADIATOR . . . . . . . . . . . . . . .
RADIATOR CAP . . . . . . . . . . . . . .
RADIATOR CAP : Inspection . . . . . . . . ..
RADIATOR . . . . . . . . . . . . . . . .
RADIATOR : Inspection . . . . . . . . . . ..
REMOVAL AND INSTALLATION . . . ...
RADIATOR . . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
COOLING FAN . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Disassembly and Assembly . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
WATER PUMP . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
WATER INLET AND THERMOSTAT ASSEM-
BLY . . . . . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
WATER OUTLET AND WATER PIPING . . ..
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . . .
Periodical Maintenance Specification . . . . . ..
Radiator . . . . . . . . . . . . . . . . ...
Thermostat . . . . . . . . . . . . . . . ..
Revision: 2012 March
2011 Murano CrossCabriolet
CO-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000007229418
The Supplemental Restraint System such as “AIR 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 whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Service Manual.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that 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 unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, never use air or electric 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 minutes before performing any service.
Liquid Gasket
INFOID:0000000006939257
REMOVAL OF LIQUID GASKET SEALING
• After removing mounting nuts and bolts, separate the mating sur-
face using the seal cutter [SST: KV10111100 (J-37228)] (A) and
remove old liquid gasket sealing.
CAUTION:
Be careful not to damage the mating surfaces.
• Tap (B) the seal cutter [SST: KV10111100 (J-37228)] to insert it,
and then slide (C) it by tapping on the side as shown in the figure.
• In areas where seal cutter [SST: KV10111100 (J-37228)] is difficult
to use, use a plastic hammer to lightly tap the parts, to remove it.
CAUTION:
If for some unavoidable reason tool such as a screwdriver is
used, be careful not to damage the mating surfaces.
LIQUID GASKET APPLICATION PROCEDURE
JPBIA0052ZZ
Revision: 2012 March
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PRECAUTIONS
CO-3
< PRECAUTION >
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1.
Using a scraper (A), remove old liquid gasket adhering to the liq-
uid gasket application surface and the mating surface.
• Remove liquid gasket completely from the groove of the liquid
gasket application surface, mounting bolts, and bolt holes.
2.
Wipe the liquid gasket application surface and the mating sur-
face with white gasoline (lighting and heating use) to remove
adhering moisture, grease and foreign materials.
3.
Attach liquid gasket tube to the tube presser (commercial ser-
vice tool).
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-22, "Recommended Chemical Products and Sealants"
.
4.
Apply liquid gasket without breaks to the specified location with
the specified dimensions.
• If there is a groove for the liquid gasket application, apply liq-
uid gasket to the groove.
• As for the bolt holes (B), normally apply liquid gasket inside
the holes. Occasionally, it should be applied outside the holes.
Check to read the text of service manual.
• Within five minutes of liquid gasket application, install the mat-
ing component.
• If liquid gasket protrudes, wipe it off immediately.
• Never retighten after mounting bolts and nuts the installation.
• After 30 minutes or more have passed from the installation, fill
engine oil and engine coolant.
CAUTION:
If there are specific instructions in this manual, observe them.
JPBIA0053ZZ
EMA0622D
A
: Groove
: Inside
JPBIA0010ZZ
Revision: 2012 March
2011 Murano CrossCabriolet
CO-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000006939260
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools
INFOID:0000000006939261
Tool number
(Kent-Moore No.)
Tool name
Description
KV10111100
(J-37228)
Seal cutter
Removing water pump cover
NT046
Tool name
Description
Tube presser
Pressing the tube of liquid gasket
Power tool
Loosening nuts and bolts
Radiator cap tester
Checking radiator and radiator cap
Radiator cap tester adapter
Adapting radiator cap tester to radiator cap
and radiator pipe (upper) filler neck
a: 28 (1.10) dia.
b: 31.4 (1.236) dia.
c: 41.3 (1.626) dia.
Unit: mm (in)
S-NT052
PBIC0190E
PBIC1982E
S-NT564
Revision: 2012 March
2011 Murano CrossCabriolet
DESCRIPTION
CO-5
< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
DESCRIPTION
Engine Cooling System
INFOID:0000000006939253
Engine Cooling System Schematic
INFOID:0000000006939254
JPBIA1682GB
JPBIA1683GB
Revision: 2012 March
2011 Murano CrossCabriolet
CO-6
< SYMPTOM DIAGNOSIS >
OVERHEATING CAUSE ANALYSIS
SYMPTOM DIAGNOSIS
OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
INFOID:0000000006939255
Symptom
Check items
Cooling sys-
tem parts
malfunction
Poor heat transfer
Water pump malfunction
Worn or loose drive belt
—
Thermostat stuck closed
—
Damaged fins
Dust contamination or pa-
per clogging
Physical damage
Clogged radiator cooling
tube
Excess foreign material
(rust, dirt, sand, etc.)
Reduced air flow
Cooling fan does not oper-
ate
Fan assembly
—
High resistance to fan rota-
tion
Damaged fan blades
Damaged radiator shroud
—
—
—
Improper engine coolant
mixture ratio
—
—
—
Poor engine coolant quality
—
Engine coolant density
—
Insufficient engine coolant
Engine coolant leakage
Cooling hose
Loose clamp
Cracked hose
Water pump
Poor sealing
Radiator cap
Loose
Poor sealing
Radiator
O-ring for damage, deterio-
ration or improper fitting
Cracked radiator tank
Cracked radiator core
Reservoir tank
Cracked reservoir tank
Overflowing reservoir tank
Exhaust gas leakage into
cooling system
Cylinder head deterioration
Cylinder head gasket deteri-
oration
Revision: 2012 March
2011 Murano CrossCabriolet
OVERHEATING CAUSE ANALYSIS
CO-7
< SYMPTOM DIAGNOSIS >
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Except cool-
ing system
parts mal-
function
—
Overload on engine
Abusive driving
High engine rpm under no
load
Driving in low gear for ex-
tended time
Driving at extremely high
speed
Powertrain system malfunc-
tion
—
Installed improper size
wheels and tires
Dragging brakes
Improper ignition timing
Blocked or restricted air
flow
Blocked bumper
—
—
Blocked radiator grille
Installed car brassiere
Mud contamination or paper
clogging
Blocked radiator
—
Blocked condenser
Blocked air flow
Installed large fog lamp
Symptom
Check items
Revision: 2012 March
2011 Murano CrossCabriolet
CO-8
< PERIODIC MAINTENANCE >
ENGINE COOLANT
PERIODIC MAINTENANCE
ENGINE COOLANT
Inspection
INFOID:0000000006939262
LEVEL
• Check if the reservoir tank engine coolant level is within the “MIN”
to “MAX” when the engine is cool.
• Adjust the engine coolant level if necessary.
CAUTION:
Refill Genuine NISSAN Long Life Antifreeze/Coolant (blue) or
equivalent in its quality mixed with water (distilled or demineral-
ized). Refer to
MA-10, "Fluids and Lubricants"
LEAKAGE
• To check for leakage, apply pressure to the cooling system with the
radiator cap tester (commercial service tool) (A) and radiator cap
tester adapter (commercial service tool) (B).
WARNING:
Never remove radiator cap when engine is hot. Serious burns
could occur from high-pressure engine coolant escaping from
radiator.
CAUTION:
Higher test pressure than specified may cause radiator dam-
age.
NOTE:
In a case that engine coolant decreases, replenish radiator with engine coolant.
• If anything is found, repair or replace damaged parts.
Draining
INFOID:0000000006939263
WARNING:
• To avoid being scalded, never change engine coolant when the engine is hot.
• Wrap a thick cloth around radiator cap and carefully remove radiator cap. First, turn radiator cap a
quarter of a turn to release built-up pressure. Then turn radiator cap all the way.
1.
Remove engine under cover.
2.
Open radiator drain plug (1) at the bottom of radiator, and then
remove radiator cap.
When draining all of engine coolant in the system, open water drain plugs on cylinder block. Refer
to
.
3.
Remove reservoir tank if necessary, and drain engine coolant and clean reservoir tank before installing.
A
: MAX
B
: MIN
JPBIA0102ZZ
Testing pressure
: Refer to
.
PBIC5121J
: Vehicle front
JPBIA1684ZZ
Revision: 2012 March
2011 Murano CrossCabriolet
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