Nissan Leaf. Manual — part 925
LAN-162
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 3)]
EV/HEV BRANCH LINE CIRCUIT (EV SYSTEM CAN CIRCUIT)
EV/HEV BRANCH LINE CIRCUIT (EV SYSTEM CAN CIRCUIT)
Diagnosis Procedure
INFOID:0000000010415419
1.
CHECK CONNECTOR
1. Turn the power switch OFF.
2. Disconnect the 12V battery cable from the negative terminal. Refer to
LAN-26, "Precautions for Removing
3. Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).
-
VCM
-
Harness connector E60
-
Harness connector F2
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of VCM.
2. Check the resistance between the VCM harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the VCM branch line (EV system CAN circuit side).
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the VCM. Refer to
EVC-138, "VCM : Diagnosis Procedure"
.
Is the inspection result normal?
YES (Present error)>>Replace the VCM. Refer to
EVC-423, "Removal and Installation"
.
YES (Past error)>>Error was detected in the VCM branch line (EV system CAN circuit side).
NO
>> Repair the power supply and the ground circuit.
VCM harness connector
Resistance (
Ω)
Connector No.
Terminal No.
E61
24
25
Approx. 108 – 132
LAN
INV/MC BRANCH LINE CIRCUIT
LAN-163
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 3)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
INV/MC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010415420
1.
CHECK CONNECTOR
1. Turn the power switch OFF.
2. Disconnect the 12V battery cable from the negative terminal. Refer to
LAN-26, "Precautions for Removing
3. Check the terminals and connectors of the traction motor inverter for damage, bend and loose connection
(unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of traction motor inverter.
2. Check the resistance between the traction motor inverter harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the traction motor inverter branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the traction motor inverter. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the traction motor inverter. Refer to
TMS-103, "Removal and Installation"
YES (Past error)>>Error was detected in the traction motor inverter branch line.
NO
>> Repair the power supply and the ground circuit.
Traction motor inverter harness connector
Resistance (
Ω)
Connector No.
Terminal No.
F13
14
15
Approx. 54 – 66
LAN-164
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 3)]
OBC/PD MODULE BRANCH LINE CIRCUIT
OBC/PD MODULE BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010415421
1.
CHECK CONNECTOR
1. Turn the power switch OFF.
2. Disconnect the 12V battery cable from the negative terminal. Refer to
LAN-26, "Precautions for Removing
3. Check the terminals and connectors of the PDM (Power Delivery Module) for damage, bend and loose
connection (unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of PDM (Power Delivery Module).
2. Check the resistance between the PDM (Power Delivery Module) harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the PDM (Power Delivery Module) branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the PDM (Power Delivery Module). Refer to
(POWER DELIVERY MODULE) : Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the PDM (Power Delivery Module). Refer to
VC-112, "Removal and Installa-
.
YES (Past error)>>Error was detected in the PDM (Power Delivery Module) branch line.
NO
>> Repair the power supply and the ground circuit.
PDM (Power Delivery Module) harness connector
Resistance (
Ω)
Connector No.
Terminal No.
F23
27
11
Approx. 54 – 66
LAN
DLC BRANCH LINE CIRCUIT (EV SYSTEM CAN CIRCUIT)
LAN-165
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 3)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DLC BRANCH LINE CIRCUIT (EV SYSTEM CAN CIRCUIT)
Diagnosis Procedure
INFOID:0000000010415422
1.
CHECK CONNECTOR
1. Turn the power switch OFF.
2. Disconnect the 12V battery cable from the negative terminal. Refer to
LAN-26, "Precautions for Removing
3. Check the terminals and connectors of the data link connector for damage, bend and loose connection
(connector side and harness side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.
Is the measurement value within the specification?
YES (Present error)>>Diagnose again. Refer to
LAN-17, "Trouble Diagnosis Flow Chart"
.
YES (Past error)>>Error was detected in the data link connector branch line circuit (EV system CAN circuit
side).
NO
>> Repair the data link connector branch line (EV system CAN circuit side).
Data link connector
Resistance (
Ω)
Connector No.
Terminal No.
M4
13
12
Approx. 54 – 66
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