Nissan Leaf. Instruction — part 587
EVC-372
< DTC/CIRCUIT DIAGNOSIS >
M/C RELAY
NO
>> Replace M/C relay.
6.
CHECK M/C RELAY CONTROL SIGNAL CIRCUIT
1. Turn power switch OFF.
2. Disconnect VCM harness connector.
3. Check the continuity between M/C relay harness connector and VCM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace error-detected parts.
7.
CHECK VCM GROUND CIRCUIT
Check the continuity between VCM harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace error-detected parts.
Component Inspection (M/C Relay)
INFOID:0000000010120833
1.
CHECK M/C RELAY
1. Turn power switch OFF.
2. Remove M/C relay.
3. Check the continuity between M/C relay terminals under the fol-
lowing conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace M/C relay.
+
−
Continuity
M/C relay
VCM
Connector
Terminal
Connector
Terminal
E65
1
E62
88
Existed
+
−
Continuity
VCM
Connector
Terminal
E61
58
Ground
Existed
65
E62
118
126
Terminals
Conditions
Continuity
3 and 5
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
PIIA2636J
F/S CHG RELAY
EVC-373
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
F/S CHG RELAY
Diagnosis Procedure
INFOID:0000000010120834
1.
CHECK F/S CHG RELAY POWER SUPPLY-1
1. Turn power switch OFF.
2. Remove F/S CHG relay.
3. Turn power switch ON.
4. Check the voltage between F/S CHG relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK F/S CHG RELAY POWER SUPPLY-2
Check the voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check F/S relay routing circuit. Refer to
EVC-331, "Diagnosis Procedure"
3.
CHECK F/S CHG RELAY POWER SUPPLY CIRCUIT
1. Turn power switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between F/S CHG relay harness connector and IPDM E/R harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
4.
CHECK 12V BATTERY POWER SUPPLY-1
Check the voltage between F/S CHG relay harness connector and ground.
+
−
Voltage
F/S CHG relay
Connector
Terminal
E64
2
Ground
12V battery volt-
age
+
−
Voltage
IPDM E/R
Connector
Terminal
E15
55
Ground
12V battery volt-
age
+
−
Continuity
F/S CHG relay
IPDM E/R
Connector
Terminal
Connector
Terminal
E64
2
E15
55
Existed
EVC-374
< DTC/CIRCUIT DIAGNOSIS >
F/S CHG RELAY
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 5.
5.
CHECK FUSE
1. Turn power switch OFF.
2. Pull out #33 fuse.
3. Check that the fuse is not fusing.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace the fuse after repairing the applicable circuit.
6.
CHECK 12V BATTERY POWER SUPPLY-2
Check the voltage between #33 fuse harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Check power supply circuit for battery power supply.
7.
CHECK 12V BATTERY POWER SUPPLY CIRCUIT
1. Check the continuity between F/S CHG relay harness connector and #33 fuse harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-53, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
8.
CHECK F/S CHG RELAY
Check F/S CHG relay. Refer to
EVC-375, "Component Inspection (F/S CHG Relay)"
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace F/S CHG relay.
9.
CHECK F/S CHG RELAY CONTROL SIGNAL CIRCUIT
1. Turn power switch OFF.
2. Disconnect VCM harness connector.
3. Check the continuity between F/S CHG relay harness connector and VCM harness connector.
+
−
Voltage
F/S CHG relay
Connector
Terminal
E64
3
Ground
12V battery volt-
age
+
−
Voltage
#33 fuse terminal
Ground
12V battery voltage
+
−
Continuity
F/S CHG relay
Connector
Terminal
#33 fuse termi-
nal
E64
3
Existed
F/S CHG RELAY
EVC-375
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace error-detected parts.
10.
CHECK VCM GROUND CIRCUIT
Check the continuity between VCM harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace error-detected parts.
Component Inspection (F/S CHG Relay)
INFOID:0000000010120835
1.
CHECK F/S CHG RELAY
1. Turn power switch OFF.
2. Remove F/S CHG relay.
3. Check the continuity between F/S CHG relay terminals under
the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace F/S CHG relay.
+
−
Continuity
F/S CHG relay
VCM
Connector
Terminal
Connector
Terminal
E64
1
E61
8
Existed
+
−
Continuity
VCM
Connector
Terminal
E61
58
Ground
Existed
65
E62
118
126
Terminals
Conditions
Continuity
3 and 5
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
PIIA2636J
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