Nissan Murano Z51 (2008 year). Manual — part 83
BRM-48
< REMOVAL AND INSTALLATION >
REPLACEMENT OPERATIONS
View A: Outer sill reinforcement and lower front pillar reinforcement assembly (replacement parts)
View B: Before installing outer sill
1.
Urethane foam
Unit: mm (in)
: Vehicle front
Replacement parts
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Outer front side body (LH)
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Outer sill reinforcement (LH)
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Lower front pillar reinforcement as-
sembly (LH)
JSKIA0535GB
Revision: 2008 October
2009 Murano
REPLACEMENT OPERATIONS
BRM-49
< REMOVAL AND INSTALLATION >
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BRM
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View D: Before installing outer sill and center pillar reinforcement
View H: Before installing outer sill
View K: Before installing outer sill reinforcement
Unit: mm (in)
: Vehicle front
JSKIA0536GB
Revision: 2008 October
2009 Murano
BRM-50
< REMOVAL AND INSTALLATION >
REPLACEMENT OPERATIONS
View N and Q: Before installing outer sill
View O: Before installing center pillar reinforcement
View P: Before installing outer sill reinforcement
Rear Fender
INFOID:0000000003468475
Remove the outer back pillar and rear combination lamp base from the rear fender assembly service part for
easier installation.
Unit: mm (in)
: Vehicle front
JSKIA0537GB
Revision: 2008 October
2009 Murano
REPLACEMENT OPERATIONS
BRM-51
< REMOVAL AND INSTALLATION >
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BRM
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1.
Urethane foam
2.
Adhesive
Unit: mm (in)
: Vehicle front
Replacement parts
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Rear fender assembly (LH)
JSKIA0538GB
Revision: 2008 October
2009 Murano
BRM-52
< REMOVAL AND INSTALLATION >
REPLACEMENT OPERATIONS
Unit: mm (in)
: Vehicle front
JSKIA0539GB
Revision: 2008 October
2009 Murano
REPLACEMENT OPERATIONS
BRM-53
< REMOVAL AND INSTALLATION >
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Rear Panel
INFOID:0000000003468476
Rear Floor Rear
INFOID:0000000003468477
Work after rear panel is removed.
Remove the rear seat back support (reusable).
: Vehicle front
: An equivalent welding portion with the same dimensions is on the opposite side.
Replacement parts
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Rear panel assembly
JSKIA0540ZZ
Revision: 2008 October
2009 Murano
BRM-54
< REMOVAL AND INSTALLATION >
REPLACEMENT OPERATIONS
View A: Before installing rear seat back support
1.
Rear seat back support
Unit: mm (in)
: Vehicle front
: An equivalent welding portion with the same dimensions is on the opposite side.
Replacement parts
z
Rear floor rear
z
Spare tire clamp bracket
JSKIA0541GB
Revision: 2008 October
2009 Murano
REPLACEMENT OPERATIONS
BRM-55
< REMOVAL AND INSTALLATION >
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BRM
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Rear Side Member Extension
INFOID:0000000003468478
Work after rear panel is removed.
1.
Rear seat back support
: Vehicle front
JSKIA0542ZZ
Revision: 2008 October
2009 Murano
BRM-56
< REMOVAL AND INSTALLATION >
REPLACEMENT OPERATIONS
: Vehicle front
Replacement parts
z
Rear side member extension (LH)
JSKIA0543ZZ
Revision: 2008 October
2009 Murano
CHG
CHG-1
ELECTRICAL & POWER CONTROL
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SECTION
CHG
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CONTENTS
CHARGING SYSTEM
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . . ..
Work Flow . . . . . . . . . . . . . . . .....
FUNCTION DIAGNOSIS . . . . . . . ...
CHARGING SYSTEM . . . . . . . . . . ..
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ....
Component Description . . . . . . . . . . ....
POWER GENERATION VOLTAGE VARI-
ABLE CONTROL SYSTEM . . . . . . . . .
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ....
Component Description . . . . . . . . . . .....
COMPONENT DIAGNOSIS . . . . . . ..
B TERMINAL CIRCUIT . . . . . . . . . ...
Description . . . . . . . . . . . . . . . ....
Diagnosis Procedure . . . . . . . . . . . .....
L TERMINAL CIRCUIT (OPEN) . . . . . . .
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
L TERMINAL CIRCUIT (SHORT) . . . . . ...
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
S TERMINAL CIRCUIT . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
CHARGING SYSTEM . . . . . . . . . . .
Wiring Diagram - CHARGING SYSTEM - . . . ...
SYMPTOM DIAGNOSIS . . . . . . . ..
CHARGING SYSTEM . . . . . . . . . ...
Symptom Table . . . . . . . . . . . . . ...
PRECAUTION . . . . . . . . . . . ..
PRECAUTIONS . . . . . . . . . . . . .
Precaution for Power Generation Voltage Variable
Control System . . . . . . . . . . . . . .
PREPARATION . . . . . . . . . . ...
PREPARATION . . . . . . . . . . . . .
Special Service Tools . . . . . . . . . . . ..
Commercial Service Tools . . . . . . . . . ...
ON-VEHICLE MAINTENANCE . . . . .
CHARGING SYSTEM PRELIMINARY IN-
SPECTION . . . . . . . . . . . . . .
Inspection Procedure . . . . . . . . . . . ...
Inspection Procedure . . . . . . . . . . . ...
ON-VEHICLE REPAIR . . . . . . . . .
CHG
DIAGNOSIS AND REPAIR WORKFLOW
CHG-3
< BASIC INSPECTION >
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NOTE:
To ensure a complete and thorough diagnosis, the battery, starter and alternator test segments must be done
as a set from start to finish.
1.
PRELIMINARY INSPECTION
Perform the preliminary inspection. Refer to
CHG-21, "Inspection Procedure"
.
>> GO TO 2.
2.
STOP POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
Stop the operation of the power generation voltage variable control in either of the following procedures.
• After selecting “ENGINE” of “SELECT SYSTEM” using CONSULT-III, set the DUTY value of “ALTERNATOR
DUTY” to 0 % by selecting “ALTERNATOR DUTY” of “Active Test”. Continue “Active Test” until the end of
inspection. (When the DUTY value is 0 or 100 %, the normal power generation is performed according to the
characteristic of the IC voltage regulator of the alternator.)
• Turn the ignition switch OFF, and disconnect the battery current sensor connector. [However, DTC (P1550 -
P1554) of the engine might remain. After finishing the inspection, connect the battery current sensor connec-
tor and erase the self-diagnostic results history of the engine using CONSULT-III.]
>> GO TO 3.
3.
DIAGNOSIS WITH STARTING/CHARGING SYSTEM TESTER
Perform the charging system test using Starting/Charging System Tester (SST: J-44373). For details and oper-
ating instructions, refer to Technical Service Bulletin.
Test result
CHARGING SYSTEM NORMAL>>Charging system is normal and will also show “DIODE RIPPLE” test
result.
NO CHARGING VOLTAGE>>GO TO 4.
LOW CHARGING VOLTAGE>>GO TO 12.
HIGH CHARGING VOLTAGE>>GO TO 14.
DIODE RIPPLE NORMAL>>Diode ripple is OK and will also show “CHARGING VOLTAGE” test result.
EXCESS RIPPLE DETECTED>>Replace the alternator. Perform “DIODE RIPPLE” test again using Starting/
Charging System Tester (SST: J-44373) to confirm repair.
DIODE RIPPLE NOT DETECTED>>GO TO 4.
4.
INSPECTION WITH CHARGE WARNING LAMP (IGNITION SWITCH IS ON)
Turn the ignition switch ON.
Does the charge warning lamp illuminate?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
“L” TERMINAL CIRCUIT (OPEN) INSPECTION
Check “L” terminal circuit (open). Refer to
Is the “L” terminal circuit normal?
YES
>> Replace alternator.
NO
>> Repair as needed.
6.
INSPECTION WITH CHARGE WARNING LAMP (IDLING)
Start the engine and run it at idle.
Does the charge warning lamp turn OFF?
YES
>> GO TO 9.
NO
>> GO TO 7.
7.
“L” TERMINAL CIRCUIT (SHORT) INSPECTION
Check “L” terminal circuit (short). Refer to
Is the “L” terminal circuit normal?
YES
>> GO TO 8.
NO
>> Repair as needed.
Revision: 2008 October
2009 Murano
CHG-4
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
8.
“S” TERMINAL CIRCUIT INSPECTION
Check “S” terminal circuit. Refer to
Is the “S” terminal circuit normal?
YES
>> GO TO 10.
NO
>> Repair as needed.
9.
INSPECTION WITH CHARGE WARNING LAMP (ENGINE AT 3,000 RPM)
Increase and maintain the engine speed at 3,000 rpm.
Does the charge warning lamp remain off?
YES
>> GO TO 11.
NO
>> GO TO 10.
10.
INSPECTION OF ALTERNATOR PULLEY
Check alternator pulley. Refer to
Is alternator pulley normal?
YES
>> Replace alternator.
NO
>> Repair as needed.
11.
“B” TERMINAL CIRCUIT INSPECTION
Check “B” terminal circuit. Refer to
Is “B” terminal circuit normal?
YES
>> Replace alternator.
NO
>> Repair as needed.
12.
“B” TERMINAL CIRCUIT INSPECTION
Check “B” terminal circuit. Refer to
Is “B” terminal circuit normal?
YES
>> GO TO 13.
NO
>> Repair as needed.
13.
INSPECTION OF ALTERNATOR PULLEY
Check alternator pulley. Refer to
Is alternator pulley normal?
YES
>> Replace alternator.
NO
>> Repair as needed.
14.
“S” TERMINAL CIRCUIT INSPECTION
Check “S” terminal circuit. Refer to
Is the “S” terminal circuit normal?
YES
>> Replace alternator.
NO
>> Repair as needed.
Revision: 2008 October
2009 Murano
CHG
CHARGING SYSTEM
CHG-5
< FUNCTION DIAGNOSIS >
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FUNCTION DIAGNOSIS
CHARGING SYSTEM
System Diagram
INFOID:0000000003412934
System Description
INFOID:0000000003412935
The voltage output is controlled by the IC voltage regulator.
Component Parts Location
INFOID:0000000003412936
Component Description
INFOID:0000000003412937
JPMIA0426GB
1.
Alternator
2.
Charge warning lamp
A.
Cylinder block left side
B.
Combination meter
JPLIA0887ZZ
Revision: 2008 October
2009 Murano
CHG-6
< FUNCTION DIAGNOSIS >
CHARGING SYSTEM
Component part
Description
Alternator
The alternator provides DC voltage to operate the vehicle's electri-
cal system and to keep the battery charged.
Combination meter (Charge warning lamp)
The IC voltage regulator warning function activates to illuminate
the charge warning lamp, if any of the following symptoms occur
while alternator is operating:
• Excessive voltage is produced.
• No voltage is produced.
Revision: 2008 October
2009 Murano
CHG
POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
CHG-7
< FUNCTION DIAGNOSIS >
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POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
System Diagram
INFOID:0000000003412938
System Description
INFOID:0000000003412939
By performing the power generation voltage variable control, the engine load due to the power generation of
the alternator is reduced and fuel consumption is decreased.
NOTE:
When any malfunction is detected in the power generation voltage variable control system, the power genera-
tion is performed according to the characteristic of the IC voltage regulator of the alternator.
Component Parts Location
INFOID:0000000003412940
JPMIA0632GB
1.
ECM
2.
IPDM E/R
3.
Battery current sensor
4.
Alternator
A.
Engine room dash panel (LH)
B.
Battery
C.
Cylinder block left side
JPLIA0888ZZ
Revision: 2008 October
2009 Murano
CHG-8
< FUNCTION DIAGNOSIS >
POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
Component Description
INFOID:0000000003412941
Component part
Description
Battery current sensor
Battery current sensor is installed to the battery cable at the neg-
ative terminal, and it detects the charging/discharging current of
the battery and sends the voltage signal to ECM according to the
current value.
ECM
Battery current sensor detects the charging/discharging current of
the battery. ECM judges the battery condition based on this signal.
ECM judges whether to perform the power generation voltage
variable control according to the battery condition.
When performing the power generation voltage variable control,
ECM calculates the target power generation voltage according to
the battery condition and sends the calculated value as the power
generation command value to IPDM E/R.
IPDM E/R
IPDM E/R converts the received power generation command val-
ue into the power generation command signal (PWM signal) and
sends it to the IC voltage regulator.
Alternator (IC voltage regulator)
IC voltage regulator controls the power generation voltage by the
target power generation voltage based on the received power gen-
eration command signal.
When there is no power generation command signal, the alterna-
tor performs the normal power generation according to the char-
acteristic of the IC voltage regulator.
Revision: 2008 October
2009 Murano
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