Nissan Leaf. Manual - part 627

OPTICAL SENSOR

EXL-109

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

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OPTICAL SENSOR

Component Function Check

INFOID:0000000010121365

1.

CHECK OPTICAL SENSOR SIGNAL BY CONSULT

CONSULT DATA MONITOR

1. Turn power switch ON.

2. Select “OPTISEN (DTCT)” in “Data Monitor” of “BCM (HEADLAMP)”.

3. Turn lighting switch AUTO.

4. With the optical sensor illuminating, check the monitor status. 

*: Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.

Is the inspection result normal?

YES

>> Optical sensor is normal.

NO

>> Refer to 

EXL-109, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010121366

Regarding Wiring Diagram information. Refer to 

EXL-41, "Wiring Diagram"

.

1.

CHECK OPTICAL SENSOR POWER SUPPLY INPUT

1. Turn power switch ON.

2. Turn lighting switch AUTO.

3. Check voltage between optical sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK OPTICAL SENSOR GROUND INPUT

Check voltage between optical sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 6.

3.

CHECK OPTICAL SENSOR SIGNAL OUTPUT

 With illuminating the optical sensor, check voltage between optical sensor harness connector and ground.

Monitor item

Condition

Voltage (Approx.)

OPTISEN (DTCT)

Optical sensor

When illuminating

3.1 V or more *

When shutting off light

0.6 V or less

(+)

(

−)

Voltage

(Approx.)

Optical sensor

Connector

Terminal

M16

1

Ground

5 V

(+)

(

−)

Voltage

(Approx.)

Optical sensor

Connector

Terminal

M16

3

Ground

0 V

EXL-110

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

OPTICAL SENSOR

*: Illuminate the optical sensor. The value may be less than the standard if brightness is weak.
Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace the optical sensor. Refer to 

EXL-138, "Removal and Installation"

.

4.

CHECK OPTICAL SENSOR OPEN CIRCUIT

1. Turn power switch OFF.

2. Disconnect optical sensor connector and BCM connector.

3. Check continuity between optical sensor harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK OPTICAL SENSOR SHORT CIRCUIT

Check continuity between optical sensor harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-72, "Removal and Installation"

.

NO

>> Repair or replace harness.

6.

CHECK OPTICAL SENSOR GROUND OPEN CIRCUIT

1. Turn power switch OFF.

2. Disconnect optical sensor connector and BCM connector.

3. Check continuity between optical sensor harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-72, "Removal and Installation"

.

NO

>> Repair or replace harness.

7.

CHECK OPTICAL SENSOR SIGNAL OPEN CIRCUIT 

1. Turn power switch OFF.

2. Disconnect optical sensor connector and BCM connector.

3. Check continuity between optical sensor harness connector and BCM harness connector.

(+)

(

−)

Condition

Voltage

(Approx.)

Optical sensor

Connector

Terminal

M16

2

Ground

Optical sensor

When illuminating

3.1 V or more *

When shutting off light

0.6 V or less

Optical sensor

BCM

Continuity

Connector

Terminal

Connector

Terminal

M16

1

M24

17

Yes

Optical sensor

Ground

Continuity

Connector

Terminal

M16

1

No

Optical sensor

BCM

Continuity

Connector

Terminal

Connector

Terminal

M16

3

M24

18

Yes

OPTICAL SENSOR

EXL-111

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

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Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace harness.

8.

CHECK OPTICAL SENSOR SHORT CIRCUIT

Check continuity between optical sensor harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-72, "Removal and Installation"

.

NO

>> Repair or replace harness.

Optical sensor

BCM

Continuity

Connector

Terminal

Connector

Terminal

M16

2

M24

14

Yes

Optical sensor

Ground

Continuity

Connector

Terminal

M16

2

No

EXL-112

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

HAZARD SWITCH

HAZARD SWITCH

Component Function Check

INFOID:0000000010121367

1.

CHECK HAZARD SWITCH SIGNAL BY CONSULT

CONSULT DATA MONITOR

1. Turn power switch ON.

2. Select “HAZARD SW” in “Data Monitor” of “BCM (FLASHER)”.

3. While operating the hazard switch, check the monitor status.

Is the inspection result normal?

YES

>> Hazard switch circuit is normal.

NO

>> Refer to 

EXL-112, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010121368

Regarding Wiring Diagram information. Refer to 

EXL-59, "Wiring Diagram"

.

1.

CHECK HAZARD SWITCH SIGNAL INPUT

1. Turn power switch OFF.

2. Disconnect hazard switch connector.

3. Check voltage between hazard switch connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK HAZARD SWITCH SIGNAL OPEN CIRCUIT

1. Disconnect BCM connector.

2. Check continuity between hazard switch harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT

Check continuity between hazard switch harness connector and ground.

Monitor item

Condition

Monitor status

HAZARD SW

Hazard switch

ON

On

OFF

Off

(+)

(

−)

Voltage (Approx.)

Hazard switch

Connector

Terminal

M45

2

Ground

Battery voltage

Hazard switch

BCM

Continuity

Connector

Terminal

Connector

Terminal

M45

2

M24

29

Yes

Hazard switch

Ground

Continuity

Connector

Terminal

M45

2

No