Nissan Pathfinder (2005 year). Instruction — part 397
PREPARATION
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2005 Pathfinder
PREPARATION
PFP:00002
Special Service Tool
EKS009IT
Commerical Service Tools
EKS009IU
Tool number
(Kent-Moore No.)
Tool name
Description
J-44373 Model 620
Battery/Starting/Charging system
tester
SEL403X
Tool number
Tool name
Description
Power tool
Loosening bolts and nuts
PBIC0190E
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BATTERY
2005 Pathfinder
BATTERY
PFP:AYBGL
How to Handle Battery
EKS009IV
CAUTION:
●
If it becomes necessary to start the engine with a booster battery and jumper cables, use a 12-volt
booster battery.
●
After connecting battery cables, ensure that they are tightly clamped to battery terminals for good
contact.
●
Never add distilled water through the hole used to check specific gravity.
METHODS OF PREVENTING OVER-DISCHARGE
The following precautions must be taken to prevent over-discharging
a battery.
●
The battery surface (particularly its top) should always be kept
clean and dry.
●
The terminal connections should be clean and tight.
●
At every routine maintenance, check the electrolyte level.
This also applies to batteries designated as “low maintenance”
and “maintenance-free”.
●
When the vehicle is not going to be used over a long period of
time, disconnect the negative battery terminal.
●
Check the charge condition of the battery.
Periodically check the specific gravity of the electrolyte. Keep a
close check on charge condition to prevent over-discharge.
CHECKING ELECTROLYTE LEVEL
WARNING:
Do not allow battery fluid to come in contact with skin, eyes, fabrics, or painted surfaces. After touch-
ing a battery, do not touch or rub your eyes until you have thoroughly washed your hands. If acid con-
tacts eyes, skin or clothing, immediately flush with water for 15 minutes and seek medical attention.
MEL040F
MEL041F
MEL042F
BATTERY
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2005 Pathfinder
●
Remove the cell plug using a suitable tool.
●
Add distilled water up to the MAX level.
Sulphation
A battery will be completely discharged if it is left unattended
for a long time and the specific gravity will become less than
1.100. This may result in sulphation on the cell plates.
To determine if a battery has been “sulphated”, note its voltage
and current when charging it. As shown in the figure, less cur-
rent 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.
SPECIFIC GRAVITY CHECK
1.
Read hydrometer and thermometer indications at eye level.
2.
Use the following chart to correct your hydrometer reading
according to electrolyte temperature.
Hydrometer Temperature Correction
MEL043F
PKIA2353E
MEL042FA
Battery electrolyte temperature
°
C (
°
F)
Add to specific 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)
−
0.004
16 (60)
−
0.008
10 (50)
−
0.012
4 (40)
−
0.016
−
1 (30)
−
0.020
−
7 (20)
−
0.024
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BATTERY
2005 Pathfinder
CHARGING THE BATTERY
CAUTION:
●
Do not “quick charge” a fully discharged battery.
●
Keep the battery away from open flame while it is being charged.
●
When connecting the charger, connect the leads first, then turn on the charger. Do not turn on the
charger first, as this may cause a spark.
●
If battery electrolyte temperature rises above 55
°
C (131
°
F), stop charging. Always charge battery
at a temperature below 55
°
C (131
°
F).
Charging Rates
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 indi-
cates 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.
●
If, after charging, the specific gravity of any two cells varies more than 0.050, the battery should be
replaced.
Trouble Diagnoses with Battery/Starting/Charging System Tester
EKS009IW
CAUTION:
When working with batteries, always wear appropriate eye protection.
NOTE:
●
To ensure a complete and thorough diagnosis, the battery, starter and generator test segments must be
done as a set from start to finish.
●
If battery surface charge is detected while testing, the tester will prompt you to turn on the headlights to
remove the surface charge.
●
If necessary, the tester will prompt you to determine if the battery temperature is above or below 0
°
C
(32
°
F). Choose the appropriate selection by pressing the up or down arrow button, then press “ENTER” to
make the selection.
−
12 (10)
−
0.028
−
18 (0)
−
0.032
Corrected specific 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
Battery electrolyte temperature
°
C (
°
F)
Add to specific gravity reading
Amps
Time
50
1 hour
25
2 hours
10
5 hours
5
10 hours
BATTERY
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1.
Turn off 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 “OFF” position.
NOTE:
The contact surface between the battery terminals, cable ends
and tester leads must be clean for a valid test. A poor connec-
tion will prevent testing and a “CHECK CONNECTION” mes-
sage 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 termi-
nal, and the black to the negative terminal.
4.
The tester will turn on automatically. Using the arrow keys,
select “IN-VEHICLE” on the tester and then press the “ENTER”
key.
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 configuration) 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 “ENTER” keys alternately, select the battery type and rating.
NOTE:
The tester lists five choices; CCA, JIS, IEC, DIN, and EN. Only use CCA or JIS.
7.
Press “ENTER” to begin the test. Diagnosis results are dis-
played on the tester. Refer to
.
SEL404X
SEL405X
SEL406X
SEL407X
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BATTERY
2005 Pathfinder
8.
Press “ENTER”, then test output code is displayed. Record the
test output code on the repair order.
9.
Toggle back to the “DIAGNOSTIC SCREEN” for test results.
NOTE:
●
If 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 “ENTER” button to make the selection.
●
When testing a battery installed in a vehicle that has recently
been driven, select “BEFORE CHARGE”.
●
If the battery has just been slow charged due to a “CHARGE
& RETEST” decision by the tester, and the tester asks the user “BEFORE CHARGE/AFTER
CHARGE”, select “AFTER CHARGE”.
DIAGNOSTIC RESULT ITEM CHART
SEL576X
Diagnostic item
Service procedure
GOOD BATTERY
Battery is OK. Refer to
SC-6, "Trouble Diagnoses with Battery/Starting/Charging System
.
REPLACE BATTERY
Replace battery.
Before replacing battery, clean the battery cable clamps and battery posts. Perform battery
test again with Battery/Starting/Charging system tester. If second test result is “Replace Bat-
tery”, then do so. Perform battery test again to confirm repair.
BAD CELL-REPLACE
Replace the battery. Perform battery test again with Battery/Starting/Charging system tester
to confirm repair.
GOOD-RECHARGE
Perform the slow battery charging procedure. (Initial rate of charge is 10A for 12 hours.) Per-
form 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 confirm repair.
NOTE:
If the tester asks the user “BEFORE CHARGE/AFTER CHARGE”, select “AFTER
CHARGE”.
BATTERY
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Removal and Installation
EKS009IX
REMOVAL
1.
Disconnect both negative and positive battery terminal.
CAUTION:
When removing, remove negative battery terminal first.
2.
Remove battery clamp bolts and battery clamp.
3.
Remove battery.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
When installing, install positive battery terminal first.
WKIA3188E
Battery clamp bolt
: 3.4 N·m (0.35 kg-m, 30 in-lb)
Battery terminal nut
: 3.4 N·m (0.35 kg-m, 30 in-lb)
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STARTING SYSTEM
2005 Pathfinder
STARTING SYSTEM
PFP:23300
System Description
EKS009IY
Power is supplied at all times:
●
to starter motor terminal 2 and
●
through 40A fusible link (letter j , located in the fuse and fusible link box)
●
to ignition switch terminal B.
With the ignition switch in the START position, power is supplied:
●
from ignition switch terminal ST
●
to IPDM E/R terminal 21.
With the ignition switch in the ON or START position, power is supplied to IPDM E/R (intelligent power distribu-
tion module engine room) CPU.
With the selector lever in the P or N position, power is supplied:
●
through A/T assembly terminal 9
●
to IPDM E/R terminal 48.
Ground is supplied at all times:
●
to IPDM E/R terminals 38 and 59
●
from body grounds E9, E15 and E24.
Then the starter relay is turned on.
The IPDM E/R starter relay is energized and power is supplied:
●
from terminal 19 of the IPDM E/R
●
to terminal 1 of the starter motor.
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.
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