Nissan Leaf. Instruction — part 1018
PG-84
< BASIC INSPECTION >
12V BATTERY INSPECTION
• Remove the cell plug using a suitable tool.
• Add distilled water up to the MAX level.
SULFATION
• A 12V battery will be completely discharged if it is left unat-
tended for a long time and the specific gravity will become
less than 1.100. This may result in sulfation on the cell plates.
• To determine if a 12V battery has been “sulfated”, note its
voltage and current when charging it. As shown in the figure,
less current and higher voltage are observed in the initial
stage of charging sulfated batteries.
• A sulfated 12V battery may sometimes be brought back into
service by means of a long, slow charge, 12 hours or more,
followed by a battery capacity test.
Specific Gravity Check
NOTE:
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.
1. Read hydrometer and thermometer indications at eye level.
2. Use the chart below to correct your hydrometer reading accord-
ing to electrolyte temperature.
Hydrometer Temperature Correction
MEL043F
PKIA2353E
MEL042FA
12V 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
PG
12V BATTERY INSPECTION
PG-85
< BASIC INSPECTION >
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Charging The 12V Battery
CAUTION:
• Never “quick charge” a fully discharged 12V battery.
• Keep the 12V battery away from open flame while it is being charged.
• When connecting the charger, connect the leads first, then turn on the charger. Never turn on the
charger first, as this may cause a spark.
• If 12V battery electrolyte temperature rises above 55
°C (131 °F), stop charging. Always charge bat-
tery at a temperature below 55
°C (131 °F).
Charging Rates (Standard Charge)
Charging Rates (Quick Charge)
NOTE:
The ammeter reading on your 12V battery charger will automatically decrease as the 12V battery charges.
This indicates that the voltage of the 12V 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 12V battery should be
replaced.
4 (40)
−0.016
−1 (30)
−0.020
−7 (20)
−0.024
−12 (10)
−0.028
−18 (0)
−0.032
12V Battery electrolyte temperature [
°C (°F)]
Add to specific gravity reading
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
Approximate charge condi-
tion
Charge current (A)
Charge time (h)
Fully charged
7
2
3/4 charged
2.5
1/2 charged
5
1/4 charged
7.5
Almost discharged
9
Completely discharged
10
Approximate charge condi-
tion
Charge current (A)
Charge time (h)
Fully charged
—
—
3/4 charged
16
0.5
1/2 charged
33
1/4 charged
Almost discharged
Completely discharged
—
—
PG-86
< BASIC INSPECTION >
ADDITIONAL SERVICE WHEN REMOVING 12V BATTERY NEGATIVE TERMI-
NAL
ADDITIONAL SERVICE WHEN REMOVING 12V BATTERY NEGATIVE
TERMINAL
Special Repair Requirement
INFOID:0000000010119398
System
Item
Reference
EV Control System
VCM Timer Adjustment
Power Window Control System
Power Window System Initialization
Heater & Air Conditioning Control System
Temperature Setting Trimmer
HAC-83, "Temperature Setting Trimmer"
(with heat pump)
Inlet Port Memory Function (REC)
HAC-83, "Inlet Port Memory Function
(with heat pump)
Inlet Port Memory Function (FRE)
HAC-84, "Inlet Port Memory Function
(with heat pump)
Foot Position Setting Trimmer
HAC-84, "Foot Position Setting Trimmer"
(with heat pump)
Compressor Operation Setting at Defroster
Mode (Timer/Remote Climate Control)
HAC-84, "Compressor Operation Setting at
Defroster Mode (Timer/Remote Climate
(with heat pump)
Setting of Compressor Maximum Rotation
Speed During Pre Air Conditioning
HAC-85, "Setting of Compressor Maximum
Rotation Speed During Pre Air Condition-
(with heat pump)
Setting of Compressor Maximum Rotation
Speed During Idling
HAC-85, "Setting of Compressor Maximum
(with heat
pump)
Temperature Setting Trimmer
HAC-274, "Temperature Setting Trimmer"
(without heat pump)
Inlet Port Memory Function (REC)
HAC-274, "Inlet Port Memory Function
Inlet Port Memory Function (FRE)
HAC-275, "Inlet Port Memory Function
(without heat pump)
Foot Position Setting Trimmer
HAC-275, "Foot Position Setting Trimmer"
(without heat pump)
Compressor Operation Setting at Defroster
Mode (Timer/Remote Climate Control)
HAC-275, "Compressor Operation Setting
at Defroster Mode (Timer/Remote Climate
Setting of Compressor Maximum Rotation
Speed During Pre Air Conditioning
HAC-276, "Setting of Compressor Maxi-
mum Rotation Speed During Pre Air Condi-
Setting of Compressor Maximum Rotation
Speed During Idling
HAC-276, "Setting of Compressor Maxi-
mum Rotation Speed During Idling"
(without
heat pump)
Audio, Visual & Navigation System
Audio (Radio Preset)
Refer to Owner’s Instruction
Navigation System
Refer to Owner’s Instruction
PG
FUSE INSPECTION
PG-87
< BASIC INSPECTION >
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FUSE INSPECTION
How To Check
INFOID:0000000010119399
• If fuse is blown, be sure to eliminate cause of malfunction before
installing new fuse.
• Use fuse of specified rating. Never use fuse of more than specified
rating.
• Do not partially install fuse; always insert it into fuse holder prop-
erly.
• Remove fuse for “ELECTRICAL PARTS (BAT)” if vehicle is not
used for a long period of time.
CEL083
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