Nissan Murano Z51 (2008 year). Manual — part 374
STARTING SYSTEM
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< FUNCTION DIAGNOSIS >
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FUNCTION DIAGNOSIS
STARTING SYSTEM
System Diagram
INFOID:0000000003412967
System Description
INFOID:0000000003412968
The starter motor plunger closes and provides a closed circuit between the battery and starter motor. The
starter motor is grounded to the engine block. With power and ground supplied, cranking occurs and the
engine starts.
Component Parts Location
INFOID:0000000003412969
JPBIA1665GB
1.
Starter motor
2.
BCM
3.
TCM
4.
IPDM E/R
A.
Cylinder block left side
B.
Behind the combination meter
C.
Engine room dash panel (LH)
JPBIA1756ZZ
Revision: 2008 October
2009 Murano
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< FUNCTION DIAGNOSIS >
STARTING SYSTEM
Component Description
INFOID:0000000003412970
Component part
Description
TCM
TCM supplies power to the starter relay and starter control relay
inside IPDM E/R when the selector lever is shifted to the P or N
position.
BCM
BCM controls the starter relay inside IPDM E/R.
IPDM E/R
CPU inside IPDM E/R controls the starter control relay.
Starter motor
The starter motor plunger closes and the motor is supplied with
battery power, which in turn cranks the engine, when the “S” ter-
minal is supplied with electric power.
Revision: 2008 October
2009 Murano
B TERMINAL CIRCUIT
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COMPONENT DIAGNOSIS
B TERMINAL CIRCUIT
Description
INFOID:0000000003412971
The “B” terminal is constantly supplied with battery power.
Diagnosis Procedure
INFOID:0000000003412972
CAUTION:
Perform diagnosis under the condition that engine cannot start by the following procedure.
1.
Remove fuel pump fuse.
2.
Crank or start the engine (where possible) until the fuel pressure is released.
1.
CHECK “B” TERMINAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Check that starter motor “B” terminal connection is clean and tight.
3.
Check voltage between starter motor “B” terminal and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check harness between battery and starter motor for open circuit.
2.
CHECK BATTERY CABLE CONNECTION STATUS (VOLTAGE DROP TEST)
1.
Shift the selector lever to “P” or “N” position.
2.
Check voltage between battery positive terminal and starter motor “B” terminal.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness between the battery and the starter motor for poor continuity.
3.
CHECK GROUND CIRCUIT STATUS (VOLTAGE DROP TEST)
1.
Shift the selector lever to “P” or “N” position.
2.
Check voltage between starter motor case and battery negative terminal.
Is the inspection result normal?
YES
>> “B” terminal circuit is OK. Further inspection is necessary. Refer to
.
NO
>> Check the starter motor case and ground for poor continuity.
Terminals
Voltage (Approx.)
(+)
(–)
Starter motor “B” terminal
Terminal
F10
2 Ground
Battery
voltage
Terminals
Condition
Voltage (Approx.)
(+)
(–)
Starter motor
“B” terminal
Terminal
Battery positive terminal
F10
2
When the ignition switch is
in START position
Less than
0.5 V
Terminals
Condition
Voltage (Approx.)
(+)
(–)
Starter motor case
Battery negative terminal
When the ignition switch is in
START position
Less than 0.2 V
Revision: 2008 October
2009 Murano
STR-8
< COMPONENT DIAGNOSIS >
S CONNECTOR CIRCUIT
S CONNECTOR CIRCUIT
Description
INFOID:0000000003412973
The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START posi-
tion while the selector lever is in the P or N position.
Diagnosis Procedure
INFOID:0000000003412974
CAUTION:
Perform diagnosis under the condition that engine cannot start by the following procedure.
1.
Remove fuel pump fuse.
2.
Crank or start the engine (where possible) until the fuel pressure is released.
1.
CHECK “S” CONNECTOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect starter motor connector.
3.
Shift the selector lever to “P” or “N” position.
4.
Check voltage between starter motor harness connector and ground.
Is the inspection result normal?
YES
>> “S” connector circuit is OK. Further inspection is necessary. Refer to
NO
>> GO TO 2.
2.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect IPDM E/R connector.
2.
Check continuity between starter motor harness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES
>> Further inspection is necessary. Refer to
in SEC section.
NO
>> Repair the harness.
Terminals
Condition
Voltage (Approx.)
(+)
(–)
Starter motor har-
ness connector
Terminal
F47
1 Ground
When the ignition switch is in
START position
Battery voltage
Starter motor harness connector
IPDM E/R harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F47
1
F12
80
Existed
Revision: 2008 October
2009 Murano
STARTING SYSTEM
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STARTING SYSTEM
Wiring Diagram - STARTING SYSTEM -
INFOID:0000000003412975
JCBWM1068GB
Revision: 2008 October
2009 Murano
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< COMPONENT DIAGNOSIS >
STARTING SYSTEM
JCBWM1069GB
Revision: 2008 October
2009 Murano
STARTING SYSTEM
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JCBWM1070GB
Revision: 2008 October
2009 Murano
STR-12
< SYMPTOM DIAGNOSIS >
STARTING SYSTEM
SYMPTOM DIAGNOSIS
STARTING SYSTEM
Symptom Table
INFOID:0000000003412976
Symptom
Reference
No normal cranking
Refer to
Starter motor does not rotate
Revision: 2008 October
2009 Murano
PRECAUTIONS
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000003412977
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 AIRBAG” and “SEAT BELT” of this
Service Manual.
WARNING:
• To avoid rendering the SRS inoperative, 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 unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SRS AIRBAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
Revision: 2008 October
2009 Murano
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< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000003412978
Commercial Service Tools
INFOID:0000000003412979
Tool number
(Kent-Moore No.)
Tool name
Description
—
(J-44373 Model MCR620)
Starting/Charging System Tester
Tests starting and charging systems.
For operating instructions, refer to Technical
Service Bulletin.
SEL403X
Tool name
Description
Power tool
Loosening bolts, nuts and screws
PIIB1407E
Revision: 2008 October
2009 Murano
STARTER MOTOR
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ON-VEHICLE REPAIR
STARTER MOTOR
Exploded View
INFOID:0000000003469056
REMOVAL
DISASSEMBLY
Type: M000TA0072
1.
Converter housing
2.
“B” terminal harness
3.
Starter motor “B” terminal nut
4.
Starter motor mounting bolt
5.
Starter motor
6.
“S” connector
Refer to
JPBIA1922GB
Revision: 2008 October
2009 Murano
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< ON-VEHICLE REPAIR >
STARTER MOTOR
Removal and Installation
INFOID:0000000003416500
REMOVAL
1.
Remove the battery Refer to
PG-106, "Removal and Installation"
.
2.
Remove the air cleaner assembly and air ducts.
3.
Disconnect the following unit connectors:
• ECM
• TCM
• IPDM E/R
4.
Remove the battery tray.
5.
Disconnect the starter motor harness connectors.
6.
Remove the starter motor mounting bolts, using power tools.
7.
Remove the starter motor.
INSTALLATION
Installation is in the reverse order of removal.
Inspection
INFOID:0000000003469058
INSPECTION AFTER DISASSEMBLY
Pinion/Clutch Check
1.
Magnetic switch assembly
2.
Dust cover kit
3.
Gear case assembly
4.
Pinion assembly
5.
Stopper
6.
Ring
7.
Ring
8.
Stopper
9.
Yoke assembly
10. Armature assembly
11.
Brush holder assembly
12. Metal
13. Rear cover
14. Gear assembly
15. Shift lever set
16. Clutch gear assembly
17. Center bracket
18. Packing
19. Gear shaft
Refer to
for symbols not described on the above.
JPBIA1777GB
Revision: 2008 October
2009 Murano
STARTER MOTOR
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< ON-VEHICLE REPAIR >
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1.
Inspect pinion teeth.
• Replace pinion if teeth are worn or damaged. (Also check condition of ring gear teeth.)
2.
Inspect reduction gear teeth.
• Replace reduction gear if teeth are worn or damaged. (Also check condition of armature shaft gear
teeth.)
3.
Check to see if pinion locks in one direction and rotates smoothly in the opposite direction.
• If it locks or rotates in both directions, or unusual resistance is evident, replace.
Revision: 2008 October
2009 Murano
STR-18
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Starter Motor
INFOID:0000000003412983
Type
M000TA0072
MITSUBISHI make
Reduction gear type
System voltage
(V)
12
No-load
Terminal voltage
(V)
11
Current
(A)
Less than 90
Revolution
(rpm)
More than 2,400
Minimum diameter of commutator
[mm (in)]
28.0 (1.102)
Minimum length of brush
[mm (in)]
5.5 (0.217)
Brush spring tension
[N (kg, lb)]
15.0 - 20.4 (1.5 - 3.4)
Clearance between bearing metal and armature shaft
[mm (in)]
Less than 0.2 (0.008)
Clearance between pinion front edge and pinion stopper
[mm (in)]
0.5 - 2.0 (0.020 - 0.079)
Revision: 2008 October
2009 Murano
TM-1
TRANSMISSION & DRIVELINE
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SECTION
TM
A
B
TM
N
O
P
CONTENTS
TRANSAXLE & TRANSMISSION
CVT: RE0F09B
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORK FLOW . . .
Work Flow . . . . . . . . . . . . . . . .....
Diagnostic Work Sheet . . . . . . . . . . . ..
INSPECTION AND ADJUSTMENT . . . . . .
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT . . . . . . . . . . . . . . ..
FUNCTION DIAGNOSIS . . . . . . . ...
CVT SYSTEM . . . . . . . . . . . . . ..
System Diagram . . . . . . . . . . . . . ....
Component Parts Location . . . . . . . . . ..
MECHANICAL SYSTEM . . . . . . . . .
Cross-Sectional View . . . . . . . . . . . ..
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ...
HYDRAULIC CONTROL SYSTEM . . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ...
CONTROL SYSTEM . . . . . . . . . . ..
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ...
LOCK-UP AND SELECT CONTROL SYSTEM
.
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ...
SHIFT CONTROL SYSTEM . . . . . . . ..
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ...
SHIFT LOCK SYSTEM . . . . . . . . . .
System Description . . . . . . . . . . . . ..
Component Parts Location . . . . . . . . . ..
Component Description . . . . . . . . . . ...
ON BOARD DIAGNOSTIC (OBD) SYSTEM .
Diagnosis Description . . . . . . . . . . . ..
DIAGNOSIS SYSTEM (TCM) . . . . . . .
CONSULT-III Function (TRANSMISSION) . . . ..
Diagnostic Tool Function . . . . . . . . . . .
COMPONENT DIAGNOSIS . . . . . . .
U1000 CAN COMM CIRCUIT . . . . . . ...
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
P0615 START SIGNAL . . . . . . . . . .
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
P0703 STOP LAMP SWITCH . . . . . . ...
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection (Stop Lamp Switch) . . .
P0705 PARK/NEUTRAL POSITION SWITCH ...
Description . . . . . . . . . . . . . . . ...
Revision: 2008 October
2009 Murano
TM-2
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
P0710 CVT FLUID TEMPERATURE SENSOR
...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection (CVT Fluid Temperature
Sensor) . . . . . . . . . . . . . . . . ...
P0715 INPUT SPEED SENSOR (PRI SPEED
SENSOR) . . . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P0720 VEHICLE SPEED SENSOR CVT (SEC-
ONDARY SPEED SENSOR) . . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P0725 ENGINE SPEED SIGNAL . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P0730 BELT DAMAGE . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
P0740 TORQUE CONVERTER CLUTCH SO-
LENOID VALVE . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection (Torque Converter Clutch
Solenoid Valve) . . . . . . . . . . . . . ..
P0744 A/T TCC S/V FUNCTION (LOCK-UP) .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection (Torque Converter Clutch
Solenoid Valve) . . . . . . . . . . . . . ..
Component Inspection (Lock-up Select Solenoid
Valve) . . . . . . . . . . . . . . . . . .
P0745 LINE PRESSURE SOLENOID VALVE ...
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection [Pressure Control Sole-
noid Valve A (Line Pressure Solenoid Valve)] . ....
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection [Pressure Control Sole-
noid Valve A (Line Pressure Solenoid Valve)] . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection [Pressure Control Sole-
noid Valve A (Line Pressure Solenoid Valve)] . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P0840 TRANSMISSION FLUID PRESSURE
SENSOR A (SEC PRESSURE SENSOR) . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P0841 PRESSURE SENSOR FUNCTION . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection [Pressure Control Sole-
noid Valve A (Line Pressure Solenoid Valve)] . .
P0845 TRANSMISSION FLUID PRESSURE
SENSOR B (PRI PRESSURE SENSOR) . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
P0868 SECONDARY PRESSURE DOWN . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection [Pressure Control Sole-
noid Valve A (Line Pressure Solenoid Valve)] . .
Revision: 2008 October
2009 Murano
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