Nissan Leaf. Instruction — part 932
LAN-190
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
VSP BRANCH LINE CIRCUIT
VSP BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010415444
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 approaching vehicle sound for pedestrians (VSP) control unit
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 approaching vehicle sound for pedestrians (VSP) control unit.
2. Check the resistance between the approaching vehicle sound for pedestrians (VSP) control unit harness
connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the approaching vehicle sound for pedestrians (VSP) control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the approaching vehicle sound for pedestrians (VSP) control
unit. Refer to
VSP-47, "APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) CONTROL UNIT :
Is the inspection result normal?
YES (Present error)>>Replace the approaching vehicle sound for pedestrians (VSP) control unit. Refer to
VSP-67, "Removal and Installation"
YES (Past error)>>Error was detected in the approaching vehicle sound for pedestrians (VSP) control unit
branch line.
NO
>> Repair the power supply and the ground circuit.
Approaching vehicle sound for pedestrians (VSP) control unit harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M47
4
12
Approx. 54 – 66
LAN
BCM BRANCH LINE CIRCUIT
LAN-191
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010415445
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 BCM 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 BCM.
2. Check the resistance between the BCM harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the BCM branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to
BCS-72, "Removal and Installation"
.
YES (Past error)>>Error was detected in the BCM branch line.
NO
>> Repair the power supply and the ground circuit.
BCM harness connector
Resistance (
Ω)
Connector No.
Terminal No.
M24
39
40
Approx. 108 – 132
LAN-192
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
EV/HEV BRANCH LINE CIRCUIT (EV SYSTEM CAN CIRCUIT)
EV/HEV BRANCH LINE CIRCUIT (EV SYSTEM CAN CIRCUIT)
Diagnosis Procedure
INFOID:0000000010415446
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-193
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
INV/MC BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000010415447
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
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