Infiniti QX56 (Z62). Manual - part 703

EXL-104

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

OPTICAL SENSOR

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-81, "Removal and Installation"

.

NO

>> Repair or replace harness.

Optical sensor

BCM

Continuity

Connector

Terminal

Connector

Terminal

M17

2

M68

14

Existed

Optical sensor

Ground

Continuity

Connector

Terminal

M17

2

Not existed

HAZARD SWITCH

EXL-105

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

HAZARD SWITCH

Component Function Check

INFOID:0000000006213971

1.

CHECK HAZARD SWITCH SIGNAL BY CONSULT-III

CONSULT-III 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-105, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006213972

1.

CHECK HAZARD SWITCH SIGNAL INPUT

1.

Turn ignition switch OFF.

2.

Disconnect hazard switch connector.

3.

Check voltage between hazard switch harness 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-81, "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

M68

29

Existed

Hazard switch

Ground

Continuity

Connector

Terminal

M45

2

Not existed

EXL-106

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

HAZARD SWITCH

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

AFS SWITCH

EXL-107

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

AFS SWITCH

Component Function Check

INFOID:0000000006213973

1.

CHECK AFS SWITCH SIGNAL BY CONSULT-III

CONSULT-III DATA MONITOR

1.

Turn ignition switch ON.

2.

Select “AFS SW” of ADAPTIVE LIGHT data monitor item.

3.

With operating the AFS switch, check the monitor status.

Is the inspection result normal?

YES

>> AFS switch circuit is normal.

NO

>> Refer to 

EXL-107, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006213974

1.

CHECK AFS SWITCH FUSE

1.

Turn ignition switch OFF.

2.

Check that the following fuses is not fusing.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the applicable. And then replace the fuse.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect triple switch connector.

2.

Check voltage between triple switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK AFS SWITCH CIRCUIT

1.

Disconnect AFS control unit connector.

2.

Check continuity between AFS control unit harness connector and triple switch harness connector.

3.

Check continuity between AFS control unit harness connector and ground.

Monitor item

Condition

Monitor status

AFS SW

AFS switch

ON

On

OFF

Off

Location

Fuse No.

Capacity

Fuse block (J/B)

#3

10 A

(+)

(–)

Voltage (V)

(Approx.)

Triple switch

Connector

Terminal

M126

3

Ground

Battery voltage

AFS control unit

Triple switch

Continuity 

Connector

Terminal

Connector

Terminal

M135

3

M126

4

Existed

AFS control unit

Ground

Continuity 

Connector

Terminal

M135

3

Not existed