Infiniti EX35. Manual - part 784

EXL-180

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

EXTERIOR LIGHTING SYSTEM SYMPTOMS

Tail lamp is not turned ON.

• Harness between IPDM E/R 

and the rear combination lamp

• Rear combination lamp

Tail lamp circuit
Refer to 

EXL-86

.

License plate lamp is not turned ON.

• Harness between IPDM E/R 

and the license plate lamp

• License plate lamp

License plate lamp circuit
Refer to 

EXL-88

.

Tail lamp and the license plate lamp are not turned 
ON.

• Fuse
• Harness between IPDM E/R 

and the rear combination lamp

• IPDM E/R

Tail lamp circuit
Refer to 

EXL-86

.

• Parking lamp, the tail lamp and the license plate 

lamp are not turned ON.

• Parking lamp, the tail lamp and the license plate 

lamp are not turned OFF.

(Each illumination is turned ON/OFF.)

Symptom diagnosis
"PARKING, LICENSE PLATE AND TAIL LAMPS ARE NOT TURNED 
ON"
Refer to 

EXL-184

.

Turn signal lamp does not 
blink.

Indicator lamp is nor-
mal.
(The applicable side 
performs the high flash-
er activation.)

• Harness between BCM and 

each turn signal lamp

• Turn signal lamp bulb

Turn signal lamp circuit
Refer to 

EXL-79

.

Indicator lamp is includ-
ed

• Combination switch
• Harness between the combina-

tion switch and BCM

• BCM

Combination switch
Refer to 

BCS-82

.

Turn signal indicator lamp 
does not blink.
(The turn signal indicator 
lamp is normal.)

One side

Combination meter

—

Both sides
(Always)

• Turn signal indicator lamp sig-

nal

- Unified meter and A/C amp. 
- BCM
• Combination meter

• Unified meter and A/C amp. 

Data monitor "TURN IND"

• BCM  (FLASHER)

Active test "FLASHER"

Both sides
(Only when activating 
the hazard warning 
lamp with the ignition 
switch OFF)

• The combination meter power 

supply and the ground circuit

• Combination meter

Combination meter
Power supply and the ground circuit
Refer to 

MWI-53

.

• Hazard warning lamp does not activate.
• Hazard warning lamp continues activating.
(Turn signal is normal.)

• Hazard switch
• Harness between the hazard 

switch and BCM

• BCM

Hazard switch
Refer to 

EXL-84

.

Headlamp auto aiming does not activate. (AFS is 
normal.)

• Harness between AFS control 

unit and aiming motor

• Front combination lamp

(Aiming motor)

• AFS control unit

Headlamp levelizer circuit
Refer to 

EXL-73

.

AFS OFF indicator lamp is not turned ON.

• AFS OFF indicator lamp signal
- Unified meter and A/C amp. 
- AFS control unit
• Combination meter

Unified meter and A/C amp.
Data monitor "AFS OFF IND"

Symptom

Possible cause

Inspection item

NORMAL OPERATING CONDITION

EXL-181

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

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J

K

M

A

B

EXL

N

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NORMAL OPERATING CONDITION

Description

INFOID:0000000003135380

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.

EXL-182

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

BOTH SIDE HEADLAMPS (HI) ARE NOT TURNED ON

BOTH SIDE HEADLAMPS (HI) ARE NOT TURNED ON

Description

INFOID:0000000003534177

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

Diagnosis Procedure

INFOID:0000000003534178

1.

COMBINATION SWITCH INSPECTION

Check the combination switch. Refer to 

BCS-82, "Symptom Table"

.

Is the combination switch 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 item status normal?

YES

>> GO TO 3.

NO

>> Replace BCM. Refer to 

BCS-84, "Exploded View"

.

3.

HEADLAMP (HI) CIRCUIT INSPECTION

Check the headlamp (HI) circuit. Refer to 

EXL-67, "Component Function Check"

.

Is the headlamp (HI) circuit 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

BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON

EXL-183

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON

Description

INFOID:0000000003135383

The headlamps (both sides) are not turned ON in any condition.

Diagnosis Procedure

INFOID:0000000003135384

1.

CHECK COMBINATION SWITCH

Check the combination switch. Refer to 

BCS-82, "Symptom Table"

.

Is the combination switch 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 item status normal?

YES

>> GO TO 3.

NO

>> Replace BCM.

3.

HEADLAMP (LO) CIRCUIT INSPECTION

Check the headlamp (LO) circuit. Refer to 

EXL-69, "Description"

.

Is the headlamp (LO) circuit 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