Nissan Leaf. Manual — part 463
P3399-P33A4 CELL OVER DISCHARGE
EVB-135
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVB
N
O
P
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair Harness or connector.
4.
CHECK MODULE VOLTAGE
Check voltage of corresponding module. Refer to
EVB-135, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace Li-ion battery controller. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Removal
.
NO
>> Replace corresponding module. Refer to
EVB-233, "FRONT MODULE STACK : Disassembly and
Component Inspection
INFOID:0000000010121132
1.
CHECK MODULE VOLTAGE
Check voltage of module.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace module. Refer to
STACK : Disassembly and Assembly"
P33A1
45
LB7
36
LB16
131
Existed
35
140
47
132
P33A2
46
LB7
47
LB16
132
Existed
33
141
45
133
P33A3
47
LB7
45
LB16
133
Existed
46
142
34
134
P33A4
48
LB7
34
LB16
134
Existed
48
143
49
135
DTC
Module
No.
Module
Li-ion battery controller
Continuity
Connector
Terminal
Connector
Terminal
: Positive terminal (Red)
: Negative terminal (Black)
Terminals
Voltage
(Approx.)
(+)
(-)
Module
Positive terminal (Red)
Negative terminal (Black)
5.0 - 8.5 V
JSCIA0338ZZ
EVB-136
< DTC/CIRCUIT DIAGNOSIS >
P33D4 BATTERY DETERIORATION DIAGNOSIS
P33D4 BATTERY DETERIORATION DIAGNOSIS
DTC Logic
INFOID:0000000010121133
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Power switch ON and wait for 10 seconds or more.
2. Select “Self Diagnostic Result” of “HV BAT”.
3. Check DTC.
Is P33D4 detected?
YES
>> Refer to
EVB-136, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121134
When this DTC is detected, replace Li-ion battery. Refer to
EVB-181, "Removal and Installation"
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P33D4
BATTERY INTERNAL RESIS-
TANCE DIAG
When the battery charge lowers.
(The internal resistance of the battery increases.)
Li-ion battery
P33D5 CURRENT SENSOR
EVB-137
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVB
N
O
P
P33D5 CURRENT SENSOR
DTC Logic
INFOID:0000000010121135
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1. Power switch ON and wait for 10 seconds or more.
2. Select “Self Diagnostic Result” of “HV BAT”.
3. Check DTC.
Is P33D5 detected?
YES
>> Refer to
EVB-137, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121136
DANGER:
Since hybrid vehicles and electric vehicles contain a high voltage battery, there is the risk of
electric shock, electric leakage, or similar accidents if the high voltage component and vehicle are
handled incorrectly. Be sure to follow the correct work procedures when performing inspection and
maintenance.
WARNING:
• Be sure to remove the service plug in order to disconnect the high voltage circuits before perform-
ing inspection or maintenance of high voltage system harnesses and parts.
• The removed service plug must always be carried in a pocket of the responsible worker or placed in
the tool box during the procedure to prevent the plug from being connected by mistake.
• Be sure to wear insulating protective equipment consisting of glove, shoes, face shield and glasses
before beginning work on the high voltage system.
• Never allow workers other than the responsible person to touch the vehicle containing high voltage
parts. To keep others from touching the high voltage parts, these parts must be covered with an insu-
lating sheet except when using them.
• Refer to
EVB-7, "High Voltage Precautions"
.
CAUTION:
Never bring the vehicle into the READY status with the service plug removed unless otherwise
instructed in the Service Manual. A malfunction may occur if this is not observed.
1.
CHECK SELF-DIAGNOSIS RESULTS OF VCM
With CONSULT
1. Select “Self Diagnostic Result” mode of “EV/HEV” using CONSULT.
2. Check to see if “P0AA0”, “P0AA1” or “P0AA4” is detected.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC. Refer to
NO
>> GO TO 2.
2.
PRECONDITIONING
WARNING:
Disconnect high voltage. Refer to
GI-33, "How to Disconnect High Voltage"
1. Remove Li-ion battery. Refer to
EVB-181, "Removal and Installation"
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P33D5
CURRENT SENSOR
Deviation in characteristics of battery current sensor sig-
nal voltage.
(Battery current sensor signal voltage is too high or too
low.)
• Li-ion battery controller
• Current sensor
• System main relay
• Harness or connector
EVB-138
< DTC/CIRCUIT DIAGNOSIS >
P33D5 CURRENT SENSOR
2. Remove battery pack upper case. Refer to
EVB-191, "BATTERY PACK UPPER CASE : Removal and
.
>> GO TO 3.
3.
CHECK CONNECTION STATUS
Check connection status of Li-ion battery controller harness connector and current sensor harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Recover the connection status.
4.
CHECK HARNESS BETWEEN CURRENT SENSOR AND LI-ION BATTERY CONTROLLER
Check continuity between current sensor harness connector and Li-ion battery controller harness connector.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair Harness or connector.
5.
CHECK CURRENT SENSOR
Check resistance of current sensor.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace current sensor.
6.
CHECK LI-ION BATTERY CONTROLLER
Check resistance of Li-ion battery controller.
Is the inspection result normal?
YES
>> Replace current sensor. Refer to
EVB-206, "BATTERY JUNCTION BOX AND BATTERY HAR-
NESS : Disassembly and Assembly"
NO
>> Replace Li-ion battery controller. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Removal
.
Current sensor
Li-ion battery controller
Continuity
Connector
Terminal
Connector
Terminal
LB5
S
LB11
10
Exited
V
9
G
15
Current sensor
Resistance val-
ue
Connector
Terminal
Terminal
LB5
S
G
1 k
Ω–10 MΩ
V
G
Li-ion battery controller
Resistance val-
ue
Connector
Terminal
Terminal
LB11
10
15
Approx. 4.7 k
Ω
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