Nissan March K13. Instruction — part 535
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CONNECTOR INFORMATION
R Room Lamp Harness
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JCMWM6754GB
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CONNECTOR INFORMATION
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JCMWM6755GB
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BATTERY INSPECTION
BASIC INSPECTION
BATTERY INSPECTION
How to Handle Battery
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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 battery cable from the negative terminal. (If
the vehicle has an extended storage switch, turn it off.)
• 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:
Never allow battery fluid to come in contact with skin, eyes, fabrics, or painted surfaces. After touch-
ing a battery, never 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.
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BATTERY INSPECTION
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• 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.
Convert into specific gravity at 20
°
C (68
°
F).
Example:
• When electrolyte temperature is 35
°
C (95
°
F) and specific gravity of
electrolyte is 1.230, converted specific gravity at 20
°
C (68
°
F) is
1.240.
• When electrolyte temperature is 0
°
C (32
°
F) and specific gravity of
electrolyte is 1.210, converted specific gravity at 20
°
C (68
°
F) is
1.196.
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