Murano Cross Cabriolet Z51 (2013 year). Manual — part 25
CHG
DIAGNOSIS AND REPAIR WORK FLOW
CHG-17
< BASIC INSPECTION >
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1.
Disconnect alternator connector and apply ground to “L” terminal.
2.
Turn the ignition switch ON.
Does the charge warning lamp illuminate?
YES
>> Replace alternator. Refer to
CHG-27, "Removal and Installation"
NO
>> GO TO 11.
11.
CHECK “L” TERMINAL CIRCUIT (OPEN)
Check “L” terminal circuit (open). Refer to
>> Repair as needed.
Revision: 2012 October
2013 Murano CrossCabriolet
CHG-18
< BASIC INSPECTION >
CHARGING SYSTEM PRELIMINARY INSPECTION
CHARGING SYSTEM PRELIMINARY INSPECTION
Inspection Procedure
INFOID:0000000008462686
1.
CHECK BATTERY TERMINALS CONNECTION
Check if battery terminals are clean and tight.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair battery terminals connection.
2.
CHECK FUSE
Check for blown fuse.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Be sure to eliminate the cause of malfunction before installing new fuse.
3.
CHECK “E” TERMINAL CONNECTION
Check if “E” terminal (alternator ground harness) is clean and tight.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair “E” terminal connection.
4.
CHECK DRIVE BELT TENSION
Check drive belt tension. Refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair as needed.
Unit
Power source (Power supply terminals)
Fuse No.
Alternator
Battery (“S” terminal)
38
Combination meter
Ignition switch ON (“L” terminal)
4
Revision: 2012 October
2013 Murano CrossCabriolet
CHG
POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM OPERATION
INSPECTION
CHG-19
< BASIC INSPECTION >
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POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM OPER-
ATION INSPECTION
Inspection Procedure
INFOID:0000000008462687
CAUTION:
When performing this inspection, always use a charged battery that has completed the battery inspec-
tion. (When the charging rate of the battery is low, the response speed of the voltage change will
become slow. This can cause an incorrect inspection.)
1.
CHECK ECM (CONSULT)
Perform ECM self-diagnosis with CONSULT. Refer to
.
Self-diagnostic results content
No malfunction detected>> GO TO 2.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.
2.
CHECK OPERATION OF POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
1.
Connect CONSULT and start the engine.
2.
The selector lever is in “P” or “N” position and all of the electric loads and A/C, etc. are turned OFF.
3.
Select “ALTERNATOR DUTY” at “Active Test” of “ENGINE”, and then check the value of “BATTERY
VOLT” monitor when DUTY value of “ALTERNATOR DUTY” is set to 40.0 %.
4.
Check the value of “BATTERY VOLT” monitor when DUTY value of “ALTERNATOR DUTY” is set to
80.0%.
Is the measurement value within the specification?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK IPDM E/R (CONSULT)
Perform IPDM E/R self-diagnosis with CONSULT. Refer to
PCS-12, "CONSULT Function (IPDM E/R)"
.
Self-diagnostic results content
No malfunction detected>> GO TO 4.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.
4.
CHECK HARNESS BETWEEN ALTERNATOR AND IPDM E/R
1.
Turn ignition switch OFF.
2.
Disconnect alternator connector and IPDM E/R connector.
3.
Check continuity between alternator harness connector and IPDM E/R harness connector.
4.
Check continuity between alternator harness connector and ground.
“BATTERY VOLT”
2 seconds after setting the
DUTY value of “ALTERNA-
TOR DUTY” to 40.0 %
: 12 - 13.6 V
“BATTERY VOLT”
20 seconds after setting
the DUTY value of “ALTER-
NATOR DUTY” to 80.0 %
: +0.5 V or more against
the value of “BATTERY
VOLT” monitor when
DUTY value is 40.0 %
Alternator
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F60
5
F12
76
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
CHG-20
< BASIC INSPECTION >
POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM OPERATION
INSPECTION
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> Repair harness or connector between IPDM E/R and alternator.
Alternator
Ground
Continuity
Connector
Terminal
F60
5
Not existed
Revision: 2012 October
2013 Murano CrossCabriolet
CHG
B TERMINAL CIRCUIT
CHG-21
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
B TERMINAL CIRCUIT
Description
INFOID:0000000008462688
“B” terminal circuit supplies power to charge the battery and to operate the vehicle’s electrical system.
Diagnosis Procedure
INFOID:0000000008462689
1.
CHECK “B” TERMINAL CONNECTION
1.
Turn ignition switch OFF.
2.
Check if “B” terminal is clean and tight.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair “B” terminal connection. Confirm repair by performing complete Charging system test
using EXP-800 NI or GR8-1200 NI (if available). Refer to the applicable Instruction Manual for
proper testing procedures.
2.
CHECK “B” TERMINAL CIRCUIT
Check voltage between alternator “B” terminal and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check harness for open between alternator and fusible link.
3.
CHECK “B” TERMINAL CONNECTION (VOLTAGE DROP TEST)
1.
Start engine, then engine running at idle and warm.
2.
Check voltage between battery positive terminal and alternator “B” terminal.
Is the inspection result normal?
YES
>> “B” terminal circuit is normal. Refer to
CHG-11, "Work Flow (With EXP-800 NI or GR8-1200 NI)"
CHG-15, "Work Flow (Without EXP-800 NI or GR8-1200 NI)"
NO
>> Check harness between battery and alternator for poor continuity.
(+)
(–)
Voltage (Approx.)
Alternator
Connector
Terminal
F59
1
Ground
Battery voltage
(+)
(–)
Voltage (Approx.)
Alternator
Connector
Terminal
Battery positive terminal
F59
1
Less than 0.2 V
Revision: 2012 October
2013 Murano CrossCabriolet
CHG-22
< DTC/CIRCUIT DIAGNOSIS >
L TERMINAL CIRCUIT (OPEN)
L TERMINAL CIRCUIT (OPEN)
Description
INFOID:0000000008462690
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:0000000008462691
1.
CHECK “L” TERMINAL CONNECTION
1.
Turn ignition switch OFF.
2.
Check if “L” terminal is clean and tight.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair “L” terminal connection. Confirm repair by performing complete Charging system test
using EXP-800 NI or GR8-1200 NI (if available). Refer to the applicable Instruction Manual for
proper testing procedures.
2.
CHECK “L” TERMINAL CIRCUIT (OPEN)
1.
Disconnect alternator connector.
2.
Apply ground to alternator harness connector terminal.
3.
Check condition of the charge warning lamp with the ignition switch in the ON position.
Does it illuminate?
YES
>> “L” terminal circuit is normal. Refer to
CHG-11, "Work Flow (With EXP-800 NI or GR8-1200 NI)"
CHG-15, "Work Flow (Without EXP-800 NI or GR8-1200 NI)"
.
NO
>> GO TO 3.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the battery cable from the negative terminal.
2.
Disconnect the combination meter connector.
3.
Check continuity between alternator harness connector and combination meter harness connector.
Is the inspection result normal?
YES
>> Replace combination meter.
NO
>> Repair the harness or connector.
Alternator
Ground
Condition
Connector
Terminal
Ignition switch position
Charge warning lamp
F60
3
ON
illuminates
Alternator
Combination meter
Continuity
Connector
Terminal
Connector
Terminal
F60
3
M34
25
Existed
Revision: 2012 October
2013 Murano CrossCabriolet
CHG
L TERMINAL CIRCUIT (SHORT)
CHG-23
< DTC/CIRCUIT DIAGNOSIS >
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L TERMINAL CIRCUIT (SHORT)
Description
INFOID:0000000008462692
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:0000000008462693
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
CHG-11, "Work Flow (With EXP-800 NI or GR8-1200 NI)"
out EXP-800 NI or GR8-1200 NI)"
.
2.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
1.
Turn 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
Ground
Continuity
Connector
Terminal
M34
25
Not existed
Revision: 2012 October
2013 Murano CrossCabriolet
CHG-24
< DTC/CIRCUIT DIAGNOSIS >
S TERMINAL CIRCUIT
S TERMINAL CIRCUIT
Description
INFOID:0000000008462694
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:0000000008462695
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 Charging system test
using EXP-800 NI or GR8-1200 NI (if available). Refer to the applicable Instruction Manual for
proper testing procedures.
2.
CHECK “S” TERMINAL CIRCUIT
Check voltage between alternator harness connector and ground.
Is the inspection result normal?
YES
>> Refer to
CHG-11, "Work Flow (With EXP-800 NI or GR8-1200 NI)"
out EXP-800 NI or GR8-1200 NI)"
.
NO
>> Check harness for open between alternator and fuse.
(+)
(–)
Voltage (Approx.)
Alternator
Connector
Terminal
F60
4
Ground
Battery voltage
Revision: 2012 October
2013 Murano CrossCabriolet
CHG
CHARGING SYSTEM
CHG-25
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
CHARGING SYSTEM
Symptom Table
INFOID:0000000008462696
Symptom
Reference
Discharged battery
CHG-11, "Work Flow (With EXP-800 NI or GR8-1200
CHG-15, "Work Flow (Without EXP-800 NI or GR8-1200
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 October
2013 Murano CrossCabriolet
CHG-26
< REMOVAL AND INSTALLATION >
ALTERNATOR
REMOVAL AND INSTALLATION
ALTERNATOR
Exploded View
INFOID:0000000008462697
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 October
2013 Murano CrossCabriolet
CHG
ALTERNATOR
CHG-27
< REMOVAL AND INSTALLATION >
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Type: A003TJ1791
Removal and Installation
INFOID:0000000008462698
REMOVAL
1.
Disconnect the negative battery terminal. Refer to
PG-109, "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-30, "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 October
2013 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-19, "Inspection Procedure"
Inspection
INFOID:0000000008462699
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 October
2013 Murano CrossCabriolet
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:0000000008462700
*: 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
*
Revision: 2012 October
2013 Murano CrossCabriolet
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 October
2013 Murano CrossCabriolet
CO-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000008462722
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:0000000008462723
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 October
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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 October
2013 Murano CrossCabriolet
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