Nissan Leaf. Manual — part 365
CHG-10
< DTC/CIRCUIT DIAGNOSIS >
SOLAR CELL MODULE
DTC/CIRCUIT DIAGNOSIS
SOLAR CELL MODULE
Diagnosis Procedure
INFOID:0000000010119475
1.
CHECK VEHICLE CONDITION
Visually check the appearance of the solar cell module for scratches, cracks, and dirt.
>> GO TO 2.
2.
CHECK SOLAR CELL MODULE FUNCTION
1. Disconnect 12V battery negative terminal. Refer to
GI-29, "Precaution for Removing 12V Battery"
2. Move vehicle to an area (indoor acceptable) that the solar cell module can get sufficient sunlight.
3. Cover the solar cell module with a black cloth to shut out the sunlight.
4. Check voltage between 12V battery positive terminal and negative cable terminal.
5. Repeat covering and uncovering the solar cell module with black cloth, and check the voltage change.
NOTE:
If the voltage change is too small to judge, put a light source close or perform the operation outside where sun-
light is available.
Is the inspection result normal?
YES
>> GO TO 7.
Voltage does not change at 0 V.>>GO TO 3.
Voltage does not change at a constant voltage. >>There is a possibility of diffraction by other circuits. Repair
diffraction to start inspection.
3.
CHECK HARNESS
1. Install 12V battery positive terminal and negative terminal.
2. Check voltage between coil and body ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Check the following items.
• 10 A fuse (#9)
• Harness or connector between 12V battery and coil for a break or short
4.
CHECK COIL
Check voltage between coil and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace coil.
5.
CHECK HARNESS
When normal
: voltage change is observed
(+)
(-)
Voltage
(Approx.)
Coil
Connector
Terminal
Ground
Battery voltage
D559
1
(+)
(-)
Voltage
(Approx.)
Coil
Connector
Terminal
Ground
Battery voltage
D560
5
CHG
SOLAR CELL MODULE
CHG-11
< DTC/CIRCUIT DIAGNOSIS >
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Check voltage between solar cell module and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair harness or connector between coil and solar cell module.
6.
CHECK HARNESS
Check continuity between solar cell module and ground.
Is the inspection result normal?
YES
>> Replace solar cell module.
NO
>> Repair harness of connector.
7.
CHECK DARK CURRENT
1. Install 12V battery positive terminal and negative terminal.
2. Check dark current. Refer to
.
NOTE:
If the diode in solar cell module has a malfunction (poor commutation), dark current of 150 mA flows.
Is dark current normal?
YES
>> INSPECTION END
NO
>> GO TO 8.
8.
CHECK DARK CURRENT
Remove 10 A fuse (#9) to check dark current.
Is dark current normal?
YES
>> GO TO 9.
NO
>> Excessive dark current in other circuit.
9.
CHECK SOLAR CELL MODULE
1. Install 10 A fuse (#9).
2. Disconnect connector of solar cell module to check dark current.
Is dark current normal?
YES
>> Replace solar cell module.
NO
>> Excessive dark current in other circuit.
(+)
(-)
Voltage
(Approx.)
Solar cell module
Connector
Terminal
Ground
Battery voltage
D601
1
Solar cell module
—
Continuity
Connector
Terminal
Ground
Existed
D601
2
CHG-12
< SYMPTOM DIAGNOSIS >
DISCHARGED 12V BATTERY
SYMPTOM DIAGNOSIS
DISCHARGED 12V BATTERY
Description
INFOID:0000000010119476
DESCRIPTION
12V batteries go dead due to diverse factors, such as 12V battery deterioration, poor power generation in DC/
DC junction box, driving condition, malfunctioning wiring or control unit. In this case, it is important for the cor-
rect diagnosis to check vehicle condition, battery saver function condition, and operating state of the power
consumption control system (sleep function), in addition to an interview to the customer.
NOTE:
For battery saver function and the power consumption control system (sleep function), refer to the following
items:
• Exterior lamp battery saver system:
EXL-22, "EXTERIOR LAMP BATTERY SAVER SYSTEM : System
• Interior room lamp battery saver system:
INL-10, "INTERIOR ROOM LAMP BATTERY SAVER SYSTEM :
• Power consumption control system (sleep function):
BCS-12, "POWER CONSUMPTION CONTROL SYS-
For an interview, obtain detailed information about the following items as much as possible:
• History of 12V battery replacement by the customer
• Usual usage pattern
• Usage pattern immediately before the 12V battery goes dead or the situation at parking.
INTERVIEW
Work history
Usual usage pattern
Usage pattern immediately before the occurrence of malfunction
Situation at parking immediately before the occurrence of the malfunction
12V battery type
Latest 12V battery replacement
Never replaced
Replacement date:
No data
Equipment of commercial after-sales parts
(grounding cable, day light, large - capacity
audio amplifier, etc.)
•
(Date of equipment:
)
•
(Date of equipment:
)
•
(Date of equipment:
)
Frequency in use
Daily
Every 2 or 3 days
Weekly
Others
Mileage/time per driving
Less than 5 km (3.11
miles)
5 km (3.11 miles) or more
(
km or miles)
Driving time (
min.)
Main hours of use
Head lamp use required morning/eveningDaytime
Daytime
Special situation
Example: Parked at idle during standby, Light ON continuously during daytime, parked with hazard lamp
ON, etc.
Mileage
Driving time
Road condition
Used electrical equipment
Example: Air conditioner AUTO, light control system ON, NAVI screen displayed, music replayed, etc.
CHG
DISCHARGED 12V BATTERY
CHG-13
< SYMPTOM DIAGNOSIS >
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Vehicle condition at the occurrence of malfunction
Diagnosis Procedure
INFOID:0000000010119477
1.
CHECK INTERVIEW RESULT AND VEHICLE CONDITION
Check the use pattern of before and after the occurrence of malfunction and the vehicle condition of after the
occurrence of the malfunction. Refer to
.
CAUTION:
To perform a field repair for a dead 12V battery, check the vehicle condition before restarting with a
booster cable and measure battery voltage, specific gravity of battery fluid, and dark current (with/
without the jumping battery connection) to perform a correct diagnosis.
>> GO TO 2.
2.
CHECK 12V BATTERY
Check 12V battery. Refer to
.
>> GO TO 3.
3.
CHECK 12V BATTERY CHARGE WARNING LAMP
1. Set the vehicle to READY.
2. Be sure that 12V battery charge warning lamp is turned off.
Inspection result
Turned off>>GO TO 4.
Date of parking
Weather
Fair
Cloudy
Rainy
Others (
)
Door open/close state at getting out of
the vehicle
Driver
′s door
Front passenger
′s
door
Rear seat door
Trunk / tailgate
Door lock state
Remote control key
Request SW
Door key cylinder
Door unlocked
Lamp operation
Example: Room lump turned ON, etc.
Date and time of occurrence (Recog-
nized date and time)
Weather at occurrence
Fair
Cloudy
Rainy
Others (
)
Place of occurrence
Home parking area
Others (
)
Door condition
(half-shut or not)
Driver
′s door
Front passenger
′s
door
Rear seat door
Trunk / tailgate
Unlocking with remote key
Operable
Inoperative
Lamp switch condition
Example: Room lamp SW ON, light SW 2ND, etc.
Meter illumination and warning lamp
state at power SW ON
Normal
Slightly ON
OFF
—
Electric equipment operation at power
SW ON
Example: air conditioner ON, light ON, NAVI ON, etc.
Others
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