Nissan Leaf. Instruction — part 462
P338D-P3398 CELL OVER DISCHARGE
EVB-131
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVB
N
O
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1. Perform “All DTC Reading” with CONSULT.
2. Check “Self Diagnostic Result” of systems other than “” 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. Select “Self Diagnostic Result” mode of “HV BAT” using CONSULT.
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
P338D
25
LB8
9
LB15
89
Existed
10
110
11
90
P338E
26
LB8
11
LB15
90
Existed
12
111
13
91
P338F
27
LB8
13
LB15
91
Existed
28
112
27
92
P3390
28
LB8
27
LB15
92
Existed
26
113
25
93
P3391
29
LB8
25
LB15
93
Existed
23
114
21
94
P3392
30
LB8
21
LB15
94
Existed
19
115
17
95
P3393
31
LB8
17
LB15
95
Existed
3
116
4
96
P3394
32
LB8
4
LB15
96
Existed
18
117
1
97
EVB-132
< DTC/CIRCUIT DIAGNOSIS >
P338D-P3398 CELL OVER DISCHARGE
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-132, "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:0000000010121129
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"
.
P3395
33
LB8
1
LB15
97
Existed
2
118
20
99
P3396
34
LB8
20
LB15
99
Existed
6
119
8
100
P3397
35
LB8
8
LB15
100
Existed
22
120
5
101
P3398
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
P3399-P33A4 CELL OVER DISCHARGE
EVB-133
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
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K
L
M
A
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EVB
N
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P3399-P33A4 CELL OVER DISCHARGE
DTC Logic
INFOID:0000000010121130
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-133, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121131
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
P3399
CELL OVER DISCHARGE MODULE37
When cell voltage lowers below the allowable
working voltage range.
• Overcharge caused by trac-
tion motor inverter/VCM mal-
function
• Module
• Li-ion battery controller
• Bus bar
• Harness or connector
P339A CELL OVER DISCHARGE MODULE38
P339B CELL OVER DISCHARGE MODULE39
P339C CELL OVER DISCHARGE MODULE40
P339D CELL OVER DISCHARGE MODULE41
P339E CELL OVER DISCHARGE MODULE42
P339F
CELL OVER DISCHARGE MODULE43
P33A0 CELL OVER DISCHARGE MODULE44
P33A1 CELL OVER DISCHARGE MODULE45
P33A2 CELL OVER DISCHARGE MODULE46
P33A3 CELL OVER DISCHARGE MODULE47
P33A4 CELL OVER DISCHARGE MODULE48
EVB-134
< DTC/CIRCUIT DIAGNOSIS >
P3399-P33A4 CELL OVER DISCHARGE
1. Perform “All DTC Reading” with CONSULT.
2. Check “Self Diagnostic Result” of systems other than “” 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. Select “Self Diagnostic Result” mode of “HV BAT” using CONSULT.
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
P3399
37
LB8
24
LB15
102
Existed
LB7
38
122
40
103
P339A
38
LB7
40
LB15
103
Existed
51
123
37
104
P339B
39
LB7
37
LB15
104
Existed
39
124
53
105
P339C
40
LB7
53
LB15
105
Existed
43
125
44
106
P339D
41
LB7
44
LB15
106
Existed
55
127
41
107
P339E
42
LB7
41
LB15
107
Existed
42
128
56
108
P339F
43
LB7
56
LB15
108
Existed
54
LB16
137
52
130
P33A0
44
LB7
52
LB16
130
Existed
50
138
36
131
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