Nissan Leaf. Manual - part 623

 

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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 

EXL-30, "Wiring Diagram"

.

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 

EXL-83, "Diagnosis Procedure"

.

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 

EXL-

83, "Diagnosis Procedure"

.

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 

EXL-95, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010121352

Regarding Wiring Diagram information. Refer to 

EXL-30, "Wiring Diagram"

.

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 

MWI-80, "Work flow"

.

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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