Infiniti QX56 (Z62). Manual - part 706

EXL-116

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

NORMAL OPERATING CONDITION

NORMAL OPERATING CONDITION

Description

INFOID:0000000006213981

XENON HEADLAMP

• Brightness and the color of light may change slightly immediately after turning the headlamp ON until the

xenon bulb becomes stable. This is normal.

• Illumination time lag may occur between right and left. This is normal.

AUTO LIGHT SYSTEM

The headlamp may not be turned ON/OFF immediately after passing dark area or bright area (short tunnel,
sky bridge, shadowed area etc.) while using the auto light system. This causes for the control difference. This
is normal.

BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM

EXL-117

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM

Description

INFOID:0000000006213982

Both side headlamps (HI) are not turned ON when setting to the lighting switch HI or PASS.

Diagnosis Procedure

INFOID:0000000006213983

1.

COMBINATION SWITCH INSPECTION

Check combination switch. Refer to 

BCS-80, "Symptom Table"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning part.

2.

CHECK HEADLAMP (HI) REQUEST SIGNAL INPUT

CONSULT-III DATA MONITOR

1.

Select “HL HI REQ” of IPDM E/R data monitor item.

2.

With operating the lighting switch, check the monitor status.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

3.

HEADLAMP (HI) CIRCUIT INSPECTION

Check headlamp (HI) circuit. Refer to 

EXL-86, "Component Function Check"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R.

NO

>> Repair or replace the malfunctioning part.

Monitor item

Condition

Monitor status

HL HI REQ

Lighting switch
(2ND)

HI or PASS

On

LO

Off

EXL-118

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON

BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON

Description

INFOID:0000000006213984

Both side headlamps (LO) are not turned ON in any condition.

Diagnosis Procedure

INFOID:0000000006213985

1.

CHECK COMBINATION SWITCH

Check combination switch. Refer to 

BCS-80, "Symptom Table"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning part.

2.

CHECK HEADLAMP (LO) REQUEST SIGNAL INPUT

CONSULT-III DATA MONITOR

1.

Select “HL LO REQ” of IPDM E/R data monitor item.

2.

With operating the lighting switch, check the monitor status.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

3.

HEADLAMP (LO) CIRCUIT INSPECTION

Check headlamp (LO) circuit. Refer to 

EXL-88, "Component Function Check"

.

Is the inspection result normal?

YES

>> Replace IPDM E/R.

NO

>> Repair or replace the malfunctioning part.

Monitor item

Condition

Monitor status

HL LO REQ

Lighting switch

2ND

On

OFF

Off

PARKING, LICENSE PLATE, SIDE MARKER AND TAIL LAMPS ARE NOT 

TURNED ON

EXL-119

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

PARKING, LICENSE PLATE, SIDE MARKER AND TAIL LAMPS ARE NOT
TURNED ON

Description

INFOID:0000000006213986

The parking, license plate, tail lamps and side marker are not turned ON in any condition.

Diagnosis Procedure

INFOID:0000000006213987

1.

CHECK FUSE

Check that the following fuse is fusing.

Is the inspection result normal?

YES

>> GO TO 2.

NO

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

2.

COMBINATION SWITCH INSPECTION

Check combination switch. Refer to 

BCS-80, "Symptom Table"

.

Is the combination switch normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning part.

3.

CHECK TAIL LAMP RELAY REQUEST SIGNAL INPUT

CONSULT-III DATA MONITOR

1.

Select “TAIL & CLR REQ” of IPDM E/R data monitor item.

2.

With operating the lighting switch, check the monitor status.

Is the inspection result normal?

YES

>> Replace IPDM E/R.

NO

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

Location

Fuse No.

Capacity

IPDM E/R

#46

10 A

#47

10 A

Monitor item

Condition

Monitor status

TAIL & CLR REQ

Lighting switch

1ST

On

OFF

Off