Nissan Leaf. Instruction — part 464
P33D6 CURRENT SENSOR
EVB-139
< DTC/CIRCUIT DIAGNOSIS >
D
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EVB
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P33D6 CURRENT SENSOR
DTC Logic
INFOID:0000000010121137
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 P33D6 detected?
YES
>> Refer to
EVB-139, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121138
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.
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 2.
2.
CHECK CURRENT SENSOR
1. Disconnect Li-ion battery controller harness connector.
2. Check the resistance of current sensor from Li-ion battery controller side.
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P33D6
CURRENT SENSOR
Deviation from the specified voltage characteristics of
battery current sensor.
Li-ion battery controller
EVB-140
< DTC/CIRCUIT DIAGNOSIS >
P33D6 CURRENT SENSOR
Is the inspection result normal?
YES
>> Replace Li-ion battery controller. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Removal
.
NO
>> GO TO 3.
3.
CHECK HARNESS BETWEEN LI-ION BATTERY CONTROLLER AND BATTERY JUNCTION BOX (CUR-
RENT SENSOR)
1. Disconnect current sensor harness connector.
2. Check continuity between Li-ion battery controller and current sensor.
Is the inspection result normal?
YES
>> Replace current sensor. Refer to
EVB-206, "BATTERY JUNCTION BOX AND BATTERY HAR-
NESS : Disassembly and Assembly"
NO
>> Repair harness or connector.
Li-ion battery controller
Resistance value
Connector
Terminal
LB11
10
9
1 k
Ω–10 MΩ
9
15
Li-ion battery controller
Current sensor
Continuity
Connector
Terminal
Connector
Terminal
LB11
10
LB5
S
Existed
9
V
15
G
P33D7, P33D9, P33DD TEMPERATURE SENSOR
EVB-141
< DTC/CIRCUIT DIAGNOSIS >
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EVB
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P33D7, P33D9, P33DD TEMPERATURE SENSOR
DTC Logic
INFOID:0000000010121139
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-141, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010121140
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.
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 2.
2.
CHECK HARNESS
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
P33D7
TEMPERATURE SENSOR
Battery temperature sensor 1 center signal voltage is
too high or too low.
• Battery temperature sensor
• Li-ion battery controller
• Harness or connector
P33D9
Battery temperature sensor 2 signal voltage is too high
or too low.
P33DD
Battery temperature sensor 4 signal voltage is too high
or too low.
EVB-142
< DTC/CIRCUIT DIAGNOSIS >
P33D7, P33D9, P33DD TEMPERATURE SENSOR
1. Power switch OFF.
2. Check a connection state of harness connector of Li-ion battery controller.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Recover the connection status.
3.
CHECK BATTERY TEMPERATURE SENSOR
EVB-142, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace battery temperature sensor.
4.
CHECK HARNESS BETWEEN BATTERY TEMPERATURE SENSOR AND GROUND
1. Disconnect Li-ion battery controller harness connector.
2. Check continuity between battery temperature sensor harness connector and ground.
Is the inspection result normal?
YES
>> Replace Li-ion battery controller. Refer to
EVB-201, "LI-ION BATTERY CONTROLLER : Removal
.
NO
>> Repair harness or connector.
Component Inspection
INFOID:0000000010121141
1.
CHECK BATTERY TEMPERATURE SENSOR
1. Remove battery temperature sensor. Refer to
EVB-190, "BATTERY PACK UPPER CASE : Exploded
.
2. Check resistance between battery temperature sensor terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace battery temperature sensor.
Battery tem-
perature sen-
sor
Connector
Terminal
—
Continuity
1
LB9
1
Ground
No existed
2
LB10
4
4
LB10
2
Battery temperature sensor
Terminals
Condition
Resistance (k
Ω)
1
1
5
Temperature
°C (°F)
10 (50)
Approx. 7.4
2
4
3
25 (77)
Approx. 4.0
4
2
1
40 (104)
Approx. 2.3
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