Nissan Maxima (2002) Bedienungsanleitung
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STARTING & CHARGING SYSTEM
SECTION
SC
CONTENTS
PRECAUTIONS ...............................................................2
Supplemental Restraint System (SRS) AIRā³
BAG and SEAT BELT PRE-TENSIONER ...............2ā³ ā³ ā³
Wiring Diagrams and Trouble Diagnosis.....................2
PREPARATION ...............................................................3
Special Service Tool ....................................................3
BATTERY.........................................................................4
How to Handle Battery ................................................4
METHODS OF PREVENTING OVER-DISCHARGE ......4
CHECKING ELECTROLYTE LEVEL ............................4
SPECIFIC GRAVITY CHECK ......................................5
CHARGING THE BATTERY........................................6
Trouble Diagnoses with Battery/Starting/Charging
System Tester..............................................................7
DIAGNOSTIC RESULT ITEM CHART..........................9
STARTING SYSTEM .....................................................10
System Description....................................................10
M/T MODELS ..........................................................10
A/T MODELS...........................................................10
Wiring Diagram - START -.........................................11
M/T MODELS ..........................................................11
A/T MODELS...........................................................12
Trouble Diagnoses with Battery/Starting/Charging
System Tester............................................................13
DIAGNOSTIC RESULT ITEM CHART........................14
WORK FLOW ..........................................................15
DIAGNOSTIC PROCEDURE 1 ..................................16
DIAGNOSTIC PROCEDURE 2 ..................................18
MINIMUM SPECIFICATION OF CRANKING
VOLTAGE REFERENCING COOLANT
TEMPERATURE ......................................................19
Construction...............................................................19
Removal and Installation ...........................................20
REMOVAL...............................................................20
INSTALLATION........................................................20
Pinion/Clutch Check ..................................................21
CHARGING SYSTEM....................................................22
System Description....................................................22
Wiring Diagram - CHARGE -.....................................23
Trouble Diagnoses with Battery/Starting/Charging
System Tester............................................................24
DIAGNOSTIC RESULT ITEM CHART........................26
WORK FLOW ..........................................................27
DIAGNOSTIC PROCEDURE 1 ..................................28
DIAGNOSTIC PROCEDURE 2 ..................................29
DIAGNOSTIC PROCEDURE 3 ..................................30
MALFUNCTION INDICATOR ....................................30
Construction...............................................................31
Removal and Installation ...........................................31
REMOVAL...............................................................31
INSTALLATION........................................................31
SERVICE DATA AND SPECIFICATIONS (SDS) .........32
Battery........................................................................32
Starter ........................................................................32
Alternator ...................................................................32
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Supplemental Restraint System (SRS) āAIR
BAGā and āSEAT BELT PRE-TENSIONERā
NFSC0001
The Supplemental Restraint System such as āAIR BAGā and āSEAT BELT PRE-TENSIONERā used along with
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The SRS system composition which is available to NISSAN MODEL A33 is as follows:
IFor a frontal collision
The Supplemental Restraint System consists of driver air bag module (located in the center of the steer-
ing wheel), front passenger air bag module (located on the instrument panel on passenger side), seat belt
pre-tensioners, a diagnosis sensor unit, crash zone sensor, warning lamp, wiring harness and spiral cable.
IFor a side collision
The Supplemental Restraint System consists of front side air bag module (located in the outer side of front
seat), satellite sensor, diagnosis sensor unit (one of components of air bags for a frontal collision), wiring
harness, warning lamp (one of components of air bags for a frontal collision).
Information necessary to service the system safely is included in the of this Service Manual.RS section
WARNING:
ITo 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 inļ¬ation, all maintenance should be per-
formed by an authorized NISSAN dealer.
IImproper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the RS section.
IDo not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identiļ¬ed by yellow harness connector (and by yel-
low harness protector or yellow insulation tape before the harness connectors).
Wiring Diagrams and Trouble Diagnosis
NFSC0002
When you read wiring diagrams, refer to the following:
IGI-9, āHOW TO READ WIRING DIAGRAMSā
IEL-10, āPOWER SUPPLY ROUTINGā for power distribution circuit
When you perform trouble diagnosis, refer to the following:
IGI-35, āHOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSESā
IGI-24, āHOW TO PERFORM EFFICIENT DIAGNOSES FOR AN ELECTRICAL INCIDENTā
PRECAUTIONS
Supplemental Restraint System (SRS) āAIR BAGā and āSEAT BELT PRE-TENSIONERā
SC-2
Special Service Tool
NFSC0017
The actual shapes of Kent-Moore tools may diļ¬er from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
ā
(J-44373 Model 620)
Battery/Starting/Charging
system tester
SEL403X
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PREPARATION
Special Service Tool
SC-3
How to Handle Battery
NFSC0003
CAUTION:
IIf it becomes necessary to start the engine with a booster
battery and jumper cables, use a 12-volt booster battery.
IAfter connecting battery cables, ensure that they are
tightly clamped to battery terminals for good contact.
MEL040F
METHODS OF PREVENTING OVER-DISCHARGE
NFSC0003S01
The following precautions must be taken to prevent over-discharg-
ing a battery.
IThe battery surface (particularly its top) should always be kept
clean and dry.
IThe terminal connections should be clean and tight.
IAt every routine maintenance, check the electrolyte level.
This also applies to batteries designated as ālow maintenanceā
and āmaintenance-freeā.
MEL041F
IWhen the vehicle is not going to be used over a long period of
time, disconnect the negative battery terminal. (If the vehicle
has an extended storage switch, turn it oļ¬.)
MEL042F
ICheck the charge condition of the battery.
Periodically check the speciļ¬c gravity of the electrolyte. Keep
a close check on charge condition to prevent over-discharge.
CHECKING ELECTROLYTE LEVEL
NFSC0003S02
WARNING:
Do not allow battery ļ¬uid to come in contact with skin, eyes,
fabrics, or painted surfaces. After touching a battery, do not
touch or rub your eyes until you have thoroughly washed your
hands. If acid contacts eyes, skin or clothing, immediately
ļ¬ush with water for 15 minutes and seek medical attention.
BATTERY
How to Handle Battery
SC-4
MEL043F
IRemove the cell plug using a suitable tool.
IAdd distilled water up to the MAX level.
SEL709E
Sulphation
NFSC0003S0201
A battery will be completely discharged if it is left unattended
for a long time and the speciļ¬c gravity will become less than
1.100. This may result in sulphation on the cell plates.
To determine if a battery has been āsulphatedā, note its volt-
age and current when charging it. As shown in the ļ¬gure, less
current and higher voltage are observed in the initial stage of
charging sulphated batteries.
A sulphated battery may sometimes be brought back into ser-
vice by means of a long, slow charge, 12 hours or more, fol-
lowed by a battery capacity test.
MEL042FA
SPECIFIC GRAVITY CHECK
NFSC0003S03
1. Read hydrometer and thermometer indications at eye level.
2. Use the chart below to correct your hydrometer reading
according to electrolyte temperature.
Hydrometer Temperature Correction
NFSC0003S0301
Battery electrolyte temperature Ā°C (Ā°F) Add to speciļ¬c gravity reading
71 (160) 0.032
66 (150) 0.028
60 (140) 0.024
54 (130) 0.020
49 (120) 0.016
43 (110) 0.012
38 (100) 0.008
32 (90) 0.004
27 (80) 0
21 (70) ā0.004
16 (60) ā0.008
10 (50) ā0.012
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BATTERY
How to Handle Battery (Contād)
SC-5
Battery electrolyte temperature Ā°C (Ā°F) Add to speciļ¬c gravity reading
4 (40) ā0.016
ā1 (30) ā0.020
ā7 (20) ā0.024
ā12 (10) ā0.028
ā18 (0) ā0.032
Corrected speciļ¬c gravity Approximate charge condition
1.260 - 1.280 Fully charged
1.230 - 1.250 3/4 charged
1.200 - 1.220 1/2 charged
1.170 - 1.190 1/4 charged
1.140 - 1.160 Almost discharged
1.110 - 1.130 Completely discharged
CHARGING THE BATTERY
NFSC0003S04
CAUTION:
IDo not āquick chargeā a fully discharged battery.
IKeep the battery away from open ļ¬ame while it is being
charged.
IWhen connecting the charger, connect the leads ļ¬rst, then
turn on the charger. Do not turn on the charger ļ¬rst, as
this may cause a spark.
IIf battery electrolyte temperature rises above 60Ā°C (140Ā°F),
stop charging. Always charge battery at a temperature
below 60Ā°C (140Ā°F).
Charging Rates
NFSC0003S0401
Amps Time
50 1 hour
25 2 hours
10 5 hours
5 10 hours
Do not charge at more than 50 ampere rate.
NOTE:
The ammeter reading on your battery charger will automatically
decrease as the battery charges. This indicates that the voltage of
the battery is increasing normally as the state of charge improves.
The charging amps indicated above refer to initial charge rate.
IIf, after charging, the speciļ¬c gravity of any two cells varies
more than .050, the battery should be replaced.
BATTERY
How to Handle Battery (Contād)
SC-6
Trouble Diagnoses with
Battery/Starting/Charging System Tester
NFSC0018
CAUTION:
When working with batteries, always wear appropriate eye
protection.
NOTE:
ITo ensure a complete and thorough diagnosis, the battery,
starter and alternator test segments must be done as a set
from start to ļ¬nish.
IIf battery surface charge is detected while testing, the tester
will prompt you to turn on the headlights to remove the surface
charge.
IIf necessary, the tester will prompt you to determine if the bat-
tery temperature is above or below 0Ā°C (32Ā°F). Choose the
appropriate selection by pressing the up or down arrow button,
then press āENTERā to make the selection.
SEL404X
1. Turn oļ¬ all loads on the vehicle electrical system. Clean or
repair as necessary.
2. Visually inspect the battery, battery terminals and cable ends
with ignition switch in āOFFā position.
NOTE:
The contact surface between the battery terminals, cable ends and
tester leads must be clean for a valid test. A poor connection will
prevent testing and a āCHECK CONNECTIONā message will
appear during the test procedures. If this occurs, clean the battery
post and terminals, reconnect them and restart the test.
3. Connect the red tester lead clamp to the positive battery
terminal, and the black to the negative terminal.
SEL405X
4. The tester will turn on automatically. Using the arrow keys,
select āIN VEHICLEā on the tester and then press the āENTERā
key.
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BATTERY
Trouble Diagnoses with Battery/Starting/Charging System Tester
SC-7
SEL406X
5. Locate the battery type and rating stamped or written on the
top case of the battery to be tested.
NOTE:
The battery type and rating will have either of the following.
CCA: Cold Cranking Amps (490 CCA, 550 CCA, etc.)
JIS: Japanese Industrial Standard.
Battery is stamped with a number such as:
80D26L: 80 (rank of output), D (physical size-depth), 26 (width
in cm). The last character L (post conļ¬guration) is not input into
the tester.
The tester requires the rating for the battery be entered exactly
as it is written or stamped on the battery. Do not attempt a CCA
conversion for JIS stamped batteries. JIS must be input
directly.
6. Using the arrow and āENTERā keys alternately, select the bat-
tery type and rating.
NOTE:
The tester lists ļ¬ve choices; CCA, JIS, IEC, DIN, and EN. Only use
CCA or JIS.
SEL407X
7. Press āENTERā to begin the test. Diagnosis results are dis-
played on the tester. Refer to āDIAGNOSTIC RESULT ITEM
CHARTā, SC-9.
SEL576X
8. Press āENTERā, then test output code is displayed. Record the
test output code on the repair order.
9. Toggle back to the āDIAGNOSTIC SCREENā for test results.
NOTE:
IIf necessary, the tester will ask the user to determine if the
battery has just been charged. Choose the appropriate selec-
tion by pressing the up or down arrow button and then press
the āENTERā button to make the selection.
IWhen testing a battery installed in a vehicle that has recently
been driven, select āBEFORE CHANGEā.
IIf the battery has just been slow charged due to a āCHARGE
& RETESTā decision by the tester, and the tester asks the user
āBEFORE CHARGE/AFTER CHARGEā, select āAFTER
CHARGEā.
BATTERY
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-8
DIAGNOSTIC RESULT ITEM CHART
NFSC0018S01
Diagnostic item Service procedure
GOOD BATTERY Battery is OK, go to āTrouble Diagnosesā, āSTARTING SYSTEMā. Refer to SC-13.
REPLACE BATTERY
Replace battery.
Before replacing battery, clean the battery cable clamps and battery posts. Perform bat-
tery test again with Battery/Starting/Charging system tester. If second test result is
āReplace Batteryā, then do so. Perform battery test again to conļ¬rm repair.
BAD CELL-REPLACE Replace the battery. Perform battery test again with Battery/Starting/Charging system
tester to conļ¬rm repair.
GOOD-RECHARGE Perform the slow battery charging procedure. (Initial rate of charge is 10A for 12 hours.)
Perform battery test again with Battery/Starting/Charging system tester.
CHARGE & RETEST
Perform the slow battery charging. (Initial rate of charge is 10A for 12 hours.)
Perform battery test again with Battery/Starting/Charging system tester to conļ¬rm repair.
NOTE:
If the tester asks the user āBEFORE CHARGE/AFTER CHARGEā, select āAFTER
CHARGEā.
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BATTERY
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-9
System Description
NFSC0021
M/T MODELS
NFSC0021S01
Power is supplied at all times
Ithrough 40A fusible link (letter , located in the fuse and fusible link box)C
Ito ignition switch terminal 1.
With the ignition switch in the START position, power is supplied
Ithrough terminal 5 of the ignition switch
Ito clutch interlock relay terminal 5.
With the ignition switch in the START position, power is supplied
Ithrough 10A fuse [No. 21, located in the fuse block (J/B)]
Ito clutch interlock relay terminal 1.
When the clutch pedal is depressed, ground is supplied to clutch interlock relay terminal 2 through the clutch
interlock switch and body grounds E11, E22 and E53.
The clutch interlock relay is energized and power is supplied
Ifrom terminal 3 of the clutch interlock relay
Ito terminal 2 of the starter motor windings.
The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The
starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.
A/T MODELS
NFSC0021S02
Power is supplied at all times
Ithrough 40A fusible link (letter , located in the fuse and fusible link box)C
Ito ignition switch terminal 1.
With the ignition switch in the ON or START position, power is supplied
Ithrough 15A fuse [No. 20, located in the fuse block (J/B)]
Ito park/neutral position relay terminal 1.
Also, with the ignition switch in the START position, power is supplied
Ifrom ignition switch terminal 5
Ito park/neutral position relay terminal 6.
Ground is supplied, with the selector lever in the P or N position
Ito park/neutral position relay terminal 2
Ithrough park/neutral position switch.
The park/neutral position relay is energized and power is supplied
Ifrom ignition switch terminal 5
Ithrough park/neutral position relay terminals 6 and 7
Ito terminal 2 of the starter motor windings.
The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The
starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.
STARTING SYSTEM
System Description
SC-10
A/T MODELS
NFSC0005S04
MEL393O
STARTING SYSTEM
Wiring Diagram ā START ā (Contād)
SC-12
Trouble Diagnoses with
Battery/Starting/Charging System Tester
NFSC0019
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter
and alternator test segments must be done as a set from start to
ļ¬nish.
SEL408X
1. Turn oļ¬ all loads on the vehicle electrical system.
2. Perform battery test with Battery/Starting/Charging system
tester. Refer to SC-7.
3. Press āENTERā to begin the starting system test.
SEL409X
4. Start the engine.
SEL410X
5. Diagnosis result is displayed on the tester. Refer to āDIAG-
NOSTIC RESULT ITEM CHARTā, SC-14.
NOTE:
IIf the starter performs normally but the engine does not start,
perform engine diagnosis.
IFor intermittent āNO CRANKā or āNO STARTER OPERATIONā
incidents, go to DIAGNOSTIC PROCEDURE 2.
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STARTING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester
SC-13
DIAGNOSTIC RESULT ITEM CHART
NFSC0019S01
Diagnostic item Service procedure
CRANKING VOLTAGE NORMAL Go to āWORK FLOWā, SC-15.
CRANKING VOLTAGE LOW Go to āWORK FLOWā, SC-15.
CHARGE BATTERY Perform the slow battery charging procedure. (Initial rate of charge is 10A for 12 hours.)
Perform battery test again with Battery/Starting/Charging system tester. Refer to SC-7.
REPLACE BATTERY Before replacing battery, clean the battery cable clamps and battery posts. Perform bat-
tery test again with Battery/Starting/Charging system tester. Refer to SC-7. If second test
result is āREPLACE BATTERYā, then do so. Perform battery test again to conļ¬rm repair.
STARTING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-14
WORK FLOW
NFSC0019S02
SEL411X
*1 SC-7
*2 SC-19
*3 SC-16 *4 SC-18
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STARTING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-15
DIAGNOSTIC PROCEDURE 1
NFSC0019S03
Check āBā Terminal Circuit
NFSC0019S0301
1 CHECK POWER SUPPLY FOR STARTER MOTOR āBā TERMINAL
1. Remove the fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
3. Turn the ignition OFF.
4. Check that the starter motor connector E202 terminal 1 (B/R) connection is clean and tight.
5. Check voltage between starter motor connector E202 terminal 1 (B/R) and ground using a digital circuit tester.
SEL961X
OK or NG
OK GO TO 2.Ā©
NG Check harness between the battery and the starter motor for open circuit.Ā©
2 CHECK BATTERY CABLE CONNECTION QUALITY (VOLTAGE DROP TEST)
1. Check voltage between starter motor connector E202 terminal 1 (B/R) and battery positive terminal using a digital cir-
cuit tester.
SEL962X
OK or NG
OK GO TO 3.Ā©
NG Check harness between the battery and the starter motor for poor continuity.Ā©
STARTING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-16
3 CHECK STARTER MOTOR GROUND CIRCUIT (VOLTAGE DROP TEST)
1. Check voltage between starter motor case and battery negative terminal using a digital circuit tester.
SEL372Y
OK or NG
OK Starter motor āBā terminal circuit is OK. Further inspection necessary. Refer to āWORKĀ©
FLOWā, SC-15.
NG Check the starter motor case and ground for poor continuity.Ā©
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STARTING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-17
MINIMUM SPECIFICATION OF CRANKING VOLTAGE
REFERENCING COOLANT TEMPERATURE
NFSC0019S05
Engine coolant temperature Voltage V
ā30Ā°C to ā20Ā°C (ā22Ā°F to ā4Ā°F) 8.2
ā19Ā°C to ā10Ā°C (ā2Ā°F to 14Ā°F) 8.7
ā9Ā°C to 0Ā°C (16Ā°F to 32Ā°F) 9.1
More than 1Ā°C (More than 34Ā°F) 9.4
Construction
NFSC0006
MEL208O
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STARTING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-19
MEL209O
SEL457T
Removal and Installation
NFSC0007
REMOVAL
NFSC0007S01
1. Remove air duct assembly.
2. Remove harness protector from engine room harness.
3. Disconnect starter harness.
4. Remove starter bolts (two).
5. Remove starter.
SEL458T
INSTALLATION
NFSC0007S02
To install, reverse the removal procedure.
STARTING SYSTEM
Construction (Contād)
SC-20
Pinion/Clutch Check
NFSC0008
1. Inspect pinion teeth.
IReplace pinion if teeth are worn or damaged. (Also check
condition of ring gear teeth.)
2. Inspect reduction gear teeth.
IReplace 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.
IIf it locks or rotates in both directions, or unusual resistance is
evident, replace.
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STARTING SYSTEM
Pinion/Clutch Check
SC-21
System Description
NFSC0009
The alternator provides DC voltage to operate the vehicleās electrical system and to keep the battery charged.
The voltage output is controlled by the IC regulator.
Power is supplied at all times to alternator terminal 3 (S) through:
I120A fusible link (letter , located in the fuse and fusible link box), andA
I10A fuse (No. 70, located in the fuse and fusible link box).
Terminal B supplies power to charge the battery and operate the vehicleās electrical system. Output voltage
is controlled by the IC regulator at terminal 3 (S) detecting the input voltage. The charging circuit is protected
by the 120A fusible link.
The alternator is grounded to the engine block.
With the ignition switch in the ON or START position, power is supplied
Ithrough 10A fuse [No. 30, located in the fuse block (J/B)]
Ito combination meter terminal 24 for the charge warning lamp.
Ground is supplied to terminal 68 of the combination meter through terminal 2 (L) of the alternator. With power
and ground supplied, the charge warning lamp will illuminate. When the alternator is providing sufļ¬cient volt-
age with the engine running, the ground is opened and the charge warning lamp will go oļ¬.
If the charge warning lamp illuminates with the engine running, a fault is indicated.
CHARGING SYSTEM
System Description
SC-22
Wiring Diagram ā CHARGE ā
NFSC0010
MEL825P
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CHARGING SYSTEM
Wiring Diagram ā CHARGE ā
SC-23
Trouble Diagnoses with
Battery/Starting/Charging System Tester
NFSC0020
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter
and alternator test segments must be done as a set from start to
ļ¬nish.
SEL417X
1. Turn oļ¬ all loads on the vehicle electrical system.
2. Perform battery and starting system test with Battery/Starting/
Charging system tester.
3. Press āENTERā to begin the charging system test.
4. Start engine.
SEL418X
5. Press āENTERā until āLOADS OFF REV ENGINE 5 SECā is
displayed.
6. Raise and hold the engine speed at 1,500 to 2,000 rpm for
about 5 seconds, then return to the engine to idle.
Once the increase in engine rpm is detected, press āENTERā
to continue.
NOTE:
IIf after 30 seconds an increase in engine idle speed is not
detected, āRPM NOT DETECTEDā will display.
ISome engines may have a higher idle initially after starting,
particularly when the engine is cold. The tester may detect this
without any other action being taken. If this occurs, continue on
with the testing process. The ļ¬nal results will not be aļ¬ected.
SEL419X
7. The tester now checks the engine at idle and performs the
DIODE/RIPPLE check.
8. When complete, the tester will prompt you to turn on the fol-
lowing electrical loads.
IHeater fun set to highest. Do not run the A/C or windshield
defroster.
IHeadlamp high beam
IRear window defogger
NOTE:
Do not run the windshield wipers or any other cyclical loads.
CHARGING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester
SC-24
SEL420X
9. Press āENTERā to continue.
SEL421X
10. Raise and hold the engine speed at 1,500 to 2,000 rpm for
about 5 seconds, then return the engine to idle. Once the
increase in engine rpm is detected, press āENTERā to con-
tinue.
NOTE:
If after 30 seconds an increase in engine idle speed is not detected,
āRPM NOT DETECTEDā will be displayed. Press āENTERā to
restart the test.
SEL422X
11. Diagnostic result is displayed on the tester. Refer to āDIAG-
NOSTIC RESULT ITEM CHARTā, SC-26.
SEL577X
12. Press āENTERā then test output code is displayed. Record the
test output code on the repair order.
13. Toggle back to the āDIAGNOSTIC SCREENā for test results.
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CHARGING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-25
DIAGNOSTIC RESULT ITEM CHART
NFSC0020S01
Diagnostic item Service procedure
CHARGING SYSTEM NORMAL Charging system is normal and will also show DIODE RIPPLE test result.
NO CHARGING VOLTAGE Go to āWORK FLOWā, SC-27.
LOW CHARGING VOLTAGE Go to āWORK FLOWā, SC-27.
HIGH CHARGING VOLTAGE Go to āWORK FLOWā, SC-27.
DIODE RIPPLE NORMAL Diode ripple is OK and will also show CHARGING VOLTAGE test result.
EXCESS RIPPLE DETECTED Replace the alternator. Perform āDIODE RIPPLEā test again using Battery/Starting/
Charging system tester to conļ¬rm repair.
DIODE RIPPLE NOT DETECTED Go to āWORK FLOWā, SC-27.
CHARGING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-26
WORK FLOW
NFSC0020S02
SEL423X
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
EL
IDX
CHARGING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-27
DIAGNOSTIC PROCEDURE 1
NFSC0020S03
Check āLā Terminal Circuit
NFSC0020S0301
1 CHECK āLā TERMINAL CONNECTION
Check to see if āLā terminal is clean and tight.
OK or NG
OK GO TO 2.Ā©
NG Repair āLā terminal connection. Conļ¬rm repair by performing complete Battery/Starting/Ā©
Charging system test.
2 CHECK āLā TERMINAL CIRCUIT
1. Disconnect alternator connector.
2. Apply ground to alternator connector A2 terminal 2 (BR) with the ignition switch in the ON position.
SEL966X
OK or NG
OK Replace the alternator. Conļ¬rm repair by performing complete Battery/Starting/ChargingĀ©
system test.
NG Ā©Check the following.
I10A fuse [No. 30, located in fuse block (J/B)]
ICHARGE lamp
IHarness for open or short between combination meter and fuse
IHarness for open or short between combination meter and alternator
CHARGING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-28
DIAGNOSTIC PROCEDURE 2
=NFSC0020S04
Check āBā Terminal Circuit
NFSC0020S0401
1 CHECK āBā TERMINAL CONNECTION
Check to see if āBā terminal is clean and tight.
OK or NG
OK GO TO 2.Ā©
NG Repair āBā terminal connection. Conļ¬rm repair by performing complete Battery/Starting/Ā©
Charging system test.
2 CHECK ALTERNATOR āBā TERMINAL CIRCUIT
Check voltage between alternator connector E46 terminal B (B/R) and ground using a digital circuit tester.
SEL967X
OK or NG
OK GO TO 3.Ā©
NG Ā©Check the following.
I120A fusible link (letter , located in fuse and fusible link box)A
IHarness for open or short between alternator and fusible link
3 CHECK āBā TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST)
Check voltage between alternator connector E46 terminal B (B/R) and battery positive terminal using a digital tester.
SEL968X
OK or NG
OK Replace the alternator. Conļ¬rm repair by performing complete Battery/Starting/ChargingĀ©
system test.
NG Check harness between the battery and the alternator for poor continuity.Ā©
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
EL
IDX
CHARGING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-29
DIAGNOSTIC PROCEDURE 3
=NFSC0020S05
Check āSā Terminal Circuit
NFSC0020S0501
1 CHECK āSā TERMINAL CONNECTION
Check to see if āSā terminal is clean and tight.
OK or NG
OK GO TO 2.Ā©
NG Repair āSā terminal connection. Conļ¬rm repair by performing complete Battery/Starting/Ā©
Charging system test.
2 CHECK ALTERNATOR āSā TERMINAL CIRCUIT
Check voltage between alternator connector A2 terminal 3 (B/P or B/R) and ground using a digital circuit tester.
SEL969X
OK or NG
OK GO TO 3.Ā©
NG Ā©Check the following.
I10A fuse (No. 70, located in fuse and fusible link box)
IHarness for open or short between alternator and fuse
3 CHECK āSā TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST)
Check voltage between alternator connector A2 terminal 3 (B/P or B/R) and battery positive terminal using a digital tester.
SEL970X
OK or NG
OK Replace the alternator. Conļ¬rm repair by performing complete Battery/Starting/ChargingĀ©
system test.
NG Check harness between the battery and the alternator for poor continuity.Ā©
MALFUNCTION INDICATOR
NFSC0020S06
The IC regulator warning function activates to illuminate
āCHARGEā warning lamp, if any of the following symptoms occur
while alternator is operating:
IExcessive voltage is produced.
INo voltage is produced.
CHARGING SYSTEM
Trouble Diagnoses with Battery/Starting/Charging System Tester (Contād)
SC-30
Construction
NFSC0012
MEL210O
Removal and Installation
NFSC0013
REMOVAL
NFSC0013S01
1. Remove engine undercover RH.
2. Remove side inspection cover RH.
3. Remove radiator.
4. Loosen belt idler pulley.
5. Remove drive belt.
6. Disconnect alternator harness connector and A/C compressor
harness connector.
7. Remove alternator upper bolt and lower bolt.
MEL384KA
INSTALLATION
NFSC0013S02
To install, reverse the removal procedure.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
EL
IDX
CHARGING SYSTEM
Construction
SC-31
Produktspezifikationen
Marke: | Nissan |
Kategorie: | Auto |
Modell: | Maxima (2002) |
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