Nissan Quest E52. Instruction — part 620

EXL-84

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

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.

4.

CHECK OPTICAL SENSOR OPEN CIRCUIT

1.

Turn ignition 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-98, "Removal and Installation"

.

NO

>> Repair or replace harness.

6.

CHECK OPTICAL SENSOR GROUND OPEN CIRCUIT

1.

Turn ignition 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-98, "Removal and Installation"

.

NO

>> Repair or replace harness.

7.

CHECK OPTICAL SENSOR SIGNAL OPEN CIRCUIT

1.

Turn ignition 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

M17

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

M17

1

M121

17

Existed

Optical sensor

Ground

Continuity

Connector

Terminal

M17

1

Not existed

Optical sensor

BCM

Continuity

Connector

Terminal

Connector

Terminal

M17

3

M121

18

Existed

OPTICAL SENSOR

EXL-85

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

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-98, "Removal and Installation"

.

NO

>> Repair or replace harness.

Optical sensor

BCM

Continuity

Connector

Terminal

Connector

Terminal

M17

2

M121

14

Existed

Optical sensor

Ground

Continuity

Connector

Terminal

M17

2

Not existed

EXL-86

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

HAZARD SWITCH

HAZARD SWITCH

Component Function Check

INFOID:0000000009653067

1.

CHECK HAZARD SWITCH SIGNAL BY CONSULT

CONSULT DATA MONITOR

1.

Turn ignition switch ON.

2.

Select “HAZARD SW” of BCM (FLASHER) data monitor item.

3.

With operating the hazard switch, check the monitor status.

Is the inspection result normal?

YES

>> Hazard switch circuit is normal.

NO

>> Refer to

EXL-86, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009653068

1.

CHECK HAZARD SWITCH SIGNAL INPUT

1.

Turn ignition 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.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-98, "Removal and Installation"

.

NO

>> Repair or replace harness.

Monitor item

Condition

Monitor status

HAZARD SW

Hazard switch

ON

On

OFF

Off

(+)

(

−

)

Voltage (Approx.)

Hazard switch

Connector

Terminal

M45

2

Ground

12 V

Hazard switch

BCM

Continuity

Connector

Terminal

Connector

Terminal

M45

2

M121

29

Existed

Hazard switch

Ground

Continuity

Connector

Terminal

M45

2

Not existed

HAZARD SWITCH

EXL-87

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

4.

CHECK HAZARD SWITCH GROUND OPEN CIRCUIT

Check continuity between hazard switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace hazard switch.

NO

>> Repair or replace harness.

Hazard switch

Ground

Continuity

Connector

Terminal

M45

1

Existed