Nissan Leaf. Manual — part 590
EVC-384
< DTC/CIRCUIT DIAGNOSIS >
REVERSE LAMP RELAY
NO
>> Repair or replace error-detected parts.
9.
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 (Reverse Lamp Relay)
INFOID:0000000010120841
1.
CHECK REVERSE LAMP RELAY
1. Turn power switch OFF.
2. Remove reverse lamp relay.
3. Check the continuity between reverse lamp relay terminals
under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace reverse lamp relay.
+
−
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
MBIB0057E
A/C RELAY
EVC-385
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
A/C RELAY
Diagnosis Procedure
INFOID:0000000010120842
1.
CHECK A/C RELAY POWER SUPPLY
1. Turn power switch OFF.
2. Remove A/C relay.
3. Turn power switch ON.
4. Check the voltage between A/C relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK A/C RELAY POWER SUPPLY CIRCUIT
1. Turn power switch OFF.
2. Disconnect M/C relay.
3. Check the continuity between A/C relay harness connector and M/C relay harness connector.
Is the inspection result normal?
YES
>> Perform trouble diagnosis for M/C relay related circuit. Refer to
EVC-371, "Diagnosis Procedure"
.
NO
>> Repair or replace error-detected parts.
3.
CHECK 12V BATTERY POWER SUPPLY
Check the voltage between A/C relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 4.
4.
CHECK FUSE
1. Turn power switch OFF.
2. Pull out #32 fuse.
3. Check that the fuse is not fusing.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace the fuse after repairing the applicable circuit.
5.
CHECK 12V BATTERY POWER SUPPLY CIRCUIT
+
−
Voltage
A/C relay
Connector
Terminal
E52
1
Ground
12V battery volt-
age
+
−
Continuity
M/C relay
A/C relay
Connector
Terminal
Connector
Terminal
E65
5
E52
1
Existed
+
−
Voltage
A/C relay
Connector
Terminal
E52
3
Ground
12V battery volt-
age
6
EVC-386
< DTC/CIRCUIT DIAGNOSIS >
A/C RELAY
Check the continuity between A/C relay harness connector and fuse terminal.
Is the inspection result normal?
YES
>> Check 12V battery power supply circuit.
NO
>> Repair or replace error-detected parts.
6.
CHECK A/C RELAY
EVC-386, "Component Inspection (A/C Relay)"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace A/C relay.
7.
CHECK A/C RELAY CONTROL SIGNAL CIRCUIT
1. Disconnect VCM harness connector.
2. Check the continuity between A/C relay harness connector and VCM harness connector.
3. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace error-detected parts.
8.
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 (A/C Relay)
INFOID:0000000010120843
1.
CHECK A/C RELAY
1. Turn power switch OFF.
2. Remove A/C relay.
+
−
Continuity
A/C relay
Connector
Terminal
E52
3
#32 fuse termi-
nal
Existed
6
+
−
Continuity
A/C relay
VCM
Connector
Terminal
Connector
Terminal
E52
2
E62
116
Existed
+
−
Continuity
IPDM E/R
Connector
Terminal
E61
58
Ground
Existed
65
E62
118
126
A/C RELAY
EVC-387
< DTC/CIRCUIT DIAGNOSIS >
D
E
F
G
H
I
J
K
L
M
A
B
EVC
N
O
P
3. Check the continuity between A/C relay terminals under the fol-
lowing conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace A/C relay.
Conditions
Terminals
Continuity
12 V direct current supply between terminals 1 and 2
3 – 5
Existed
6 – 7
No current supply
3 – 5
Not existed
6 – 7
PBIB0077E
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