Nissan Leaf. Instruction — part 458
P330E-P3319 CELL OVER VOLTAGE
EVB-115
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVB
N
O
P
YES
>> Replace Li-ion battery controller. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Removal
.
NO
>> Replace corresponding module. Refer to
EVB-226, "FRONT MODULE STACK : Removal and
Component Inspection
INFOID:0000000010121114
1.
CHECK MODULE VOLTAGE
Check voltage of module.
Is the inspection result normal?
YES
>> INSPECTION END
NO
STACK : Disassembly and Assembly"
: Positive terminal (Red)
: Negative terminal (Black)
Terminals
Voltage
(Approx.)
(+)
(-)
Module
Positive terminal (Red)
Negative terminal (Black)
5.0 - 8.5 V
JSCIA0338ZZ
EVB-116
< DTC/CIRCUIT DIAGNOSIS >
P331A-P3325 CELL OVER VOLTAGE
P331A-P3325 CELL OVER VOLTAGE
DTC Logic
INFOID:0000000010121115
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 any DTC detected?
YES
>> Refer to
EVB-119, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121116
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 Instruction. A malfunction may occur if this is not observed.
1.
CHECK SELF-DIAGNOSIS RESULTS
With CONSULT
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P331A
CELL OVER VOLTAGE MODULE25
When cell voltage exceeds the allowable
working voltage range.
• Overcharge caused by traction
motor inverter/VCM malfunc-
tion
• Module
• Li-ion battery controller
• Bus bar
• Harness or connector
P331B
CELL OVER VOLTAGE MODULE26
P331C
CELL OVER VOLTAGE MODULE27
P331D
CELL OVER VOLTAGE MODULE28
P331E
CELL OVER VOLTAGE MODULE29
P331F
CELL OVER VOLTAGE MODULE30
P3320
CELL OVER VOLTAGE MODULE31
P3321
CELL OVER VOLTAGE MODULE32
P3322
CELL OVER VOLTAGE MODULE33
P3323
CELL OVER VOLTAGE MODULE34
P3324
CELL OVER VOLTAGE MODULE35
P3325
CELL OVER VOLTAGE MODULE36
P331A-P3325 CELL OVER VOLTAGE
EVB-117
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVB
N
O
P
1. Perform “All DTC Reading” with CONSULT.
2. Check “Self Diagnostic Result” of systems other than “HV BAT” if any DTC is detected.
Is any DTC detected?
YES
>> After performing trouble diagnosis of detected DTC, GO TO 2.
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"
2. Remove battery pack upper case. Refer to
EVB-191, "BATTERY PACK UPPER CASE : Removal and
.
>> GO TO 3.
3.
CHECK HARNESS BETWEEN MODULE AND LI-ION BATTERY CONTROLLER
With CONSULT
1. Power switch OFF.
2. Identify the malfunctioning module based on detected DTC.
3. Disconnect module harness connector and Li-ion battery controller harness connector.
4. Refer to below table and check the continuity between corresponding module and Li-ion battery controller.
DTC
Module
No.
Module
Li-ion battery controller
Continuity
Connector
Terminal
Connector
Terminal
P331A
25
LB8
9
LB15
89
Existed
10
110
11
90
P331B
26
LB8
11
LB15
90
Existed
12
111
13
91
P331C
27
LB8
13
LB15
91
Existed
28
112
27
92
P331D
28
LB8
27
LB15
92
Existed
26
113
25
93
P331E
29
LB8
25
LB15
93
Existed
23
114
21
94
P331F
30
LB8
21
LB15
94
Existed
19
115
17
95
P3320
31
LB8
17
LB15
95
Existed
3
116
4
96
P3321
32
LB8
4
LB15
96
Existed
18
117
1
97
EVB-118
< DTC/CIRCUIT DIAGNOSIS >
P331A-P3325 CELL OVER VOLTAGE
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-118, "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:0000000010121117
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"
.
P3322
33
LB8
1
LB15
97
Existed
2
118
20
99
P3323
34
LB8
20
LB15
99
Existed
6
119
8
100
P3324
35
LB8
8
LB15
100
Existed
22
120
5
101
P3325
36
LB8
5
LB15
101
Existed
7
121
24
102
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
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