Nissan Leaf. Manual — part 623
DAYTIME RUNNING LIGHT RELAY CIRCUIT
EXL-93
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
NO
>> Replace daytime running light relay.
EXL-94
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
LED HEADLAMP
LED HEADLAMP
Diagnosis Procedure
INFOID:0000000010121350
Regarding Wiring Diagram information. Refer to
1.
CHECK HEADLAMP (LO) GROUND OPEN CIRCUIT
1. Turn power switch OFF.
2. Disconnect front combination lamp connector.
3. Check continuity between front combination lamp harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK LED HEADLAMP CONTROL MODULE
Install the normal LED headlamp control module to the applicable headlamp. Check that the lighting switch is
turned ON. Refer to
Is the headlamp turned ON?
YES
>> Replace LED headlamp control module. Refer to
EXL-130, "Removal and Installation"
.
NO
>> GO TO 3.
3.
CHECK HEADLAMP
Install the normal headlamp to the applicable headlamp. Check that the headlamp is turned ON. Refer to
.
Is the headlamp turned ON?
YES
>> Replace headlamp. Refer to
EXL-130, "Removal and Installation"
NO
>> LED headlamp is normal. Check headlamp control system.
Front combination lamp
Ground
Continuity
Connector
Terminal
RH
E86
9
Yes
LH
E85
HEADLAMP WARNING LAMP
EXL-95
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
HEADLAMP WARNING LAMP
Component Function Check
INFOID:0000000010121351
1.
CHECK HEADLAMP WARNING LAMP OPERATION
1. Turn power switch OFF.
2. Disconnect front combination lamp connector.
3. Check that headlamp warning lamp on combination meter turns ON when power switch is turned ON.
Is the inspection result normal?
YES
>> Headlamp warning lamp is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000010121352
Regarding Wiring Diagram information. Refer to
1.
LED HEADLAMP CONTROL MODULE FUSE
1. Turn power switch OFF.
2. Check that the following fuse is not blown:
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit.
2.
CHECK POWER SUPPLY CIRCUIT
1. Disconnect front combination lamp connector.
2. Turn power switch ON.
3. Check voltage between front combination lamp harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
CHECK HEADLAMP WARNING LAMP SIGNAL CIRCUIT
Check voltage between front combination lamp harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace LED headlamp control module. Refer to
EXL-130, "Removal and Installation"
Unit
Fuse No.
Capacity
LED headlamp control module
5
10 A
(+)
(
−)
Voltage
(Approx.)
Front combination lamp
Connector
Terminal
Ground
Battery voltage
RH
E86
2
LH
E85
(+)
(
−)
Voltage
(Approx.)
Front combination lamp
Connector
Terminal
Ground
Less than 0.5 V
RH
E86
1
LH
E85
EXL-96
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
HEADLAMP WARNING LAMP
4.
CHECK HEADLAMP WARNING LAMP SIGNAL SHORT CIRCUIT
1. Turn power switch OFF.
2. Disconnect combination meter connector.
3. Check continuity between combination meter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK COMBINATION METER
Check combination meter. Refer to
Is the inspection result normal?
YES
>> Refer to
EXL-122, "Diagnosis Procedure"
.
NO
>> Repair or replace malfunctioning part.
Combination meter
Ground
Continuity
Connector
Terminal
RH
M34
38
No
LH
39
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