Infiniti G35 (V35) Sedan. Manual - part 683

EXL-174

< ECU DIAGNOSIS >

[XENON TYPE]

AFS CONTROL UNIT

CONSULT indication

Fail-safe

AFS OFF indicator 

lamp

Reference

U1000: CAN COMM CIRCUIT

×

×

EXL-59, "Description"

U1010: CONTROL UNIT (CAN)

×

×

EXL-60, "Description"

B2503, B2504: SWIVEL ACTUATOR [RH, LH]

×

×

EXL-42, "Description"

B2514: HI SEN UNUSUAL [RR]

×

EXL-47, "Description"

B2516: SHIFT SIG [P, R]

×

×

EXL-51, "Description"

B2517: VEHICLE SPEED SIG

×

×

EXL-52, "Description"

B2519: LEVELIZER CALIB

×

EXL-53, "Description"

B2521: ECU CIRC

×

×

EXL-54, "Description"

C0126: ST ANG SEN SIG 

×

×

EXL-57, "Description"

C0428: ST ANGLE SEN CALIB

×

×

EXL-58, "Description"

EXTERIOR LIGHTING SYSTEM SYMPTOMS

EXL-175

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

SYMPTOM DIAGNOSIS

EXTERIOR LIGHTING SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000000962520

CAUTION:

Perform the self-diagnosis with CONSULT-III before the symptom diagnosis. Perform the trouble diag-
nosis if any DTC is detected.

Symptom

Possible cause

Inspection item

Headlamp does not 
switch to the high beam.

One side

• Fuse
• Harness between IPDM E/R 

and the front combination lamp

• Front combination lamp

(High beam solenoid)

• IPDM E/R

Headlamp (HI) circuit
Refer to 

EXL-65

.

Both sides

Symptom diagnosis
 "BOTH SIDE HEADLAMPS DO NOT SWITCH TO HIGH BEAM"
Refer to 

EXL-179

.

High beam indicator lamp is not turned ON.
(Headlamp switches to the high beam.)

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

• Unified meter and A/C amp. 

Data monitor "HI-BEAM IND"

• BCM (HEAD LAMP)

Active test "HEADLAMP"

Headlamp does not 
switch to the low beam.

One side

Front combination lamp (High 
beam solenoid)

—

Both sides

• Combination switch
• Harness between the combina-

tion switch and BCM

• BCM

Combination switch
Refer to 

BCS-77

.

High beam request signal
• BCM
• IPDM E/R

IPDM E/R
Data monitor "HL HI REQ"

IPDM E/R

—

Headlamp is not turned 
ON.

One side

• Fuse
• Xenon bulb
• Harness between IPDM E/R 

and the front combination lamp

• Front combination lamp (xenon 

headlamp)

• IPDM E/R

Headlamp (LO) circuit
Refer to 

EXL-67

.

Both sides

Symptom diagnosis
"BOTH SIDE HEADLAMPS (LO) ARE NOT TURNED ON"
Refer to 

EXL-179

.

Headlamp is not turned 
OFF.

When the ignition 
switch is turned ON

The ignition switch is 
turned OFF (After acti-
vating the battery sav-
er).

IPDM E/R

—

Headlamp is not turned ON/OFF with the lighting 
switch AUTO.

• Combination switch
• Harness between the combina-

tion switch and BCM

• BCM

Combination switch
Refer to 

BCS-77

.

• Optical sensor
• Harness between the optical 

sensor and BCM

• BCM

Optical sensor
Refer to 

EXL-80

.

EXL-176

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

EXTERIOR LIGHTING SYSTEM SYMPTOMS

Front fog lamp is not 
turned ON.

One side

• Front fog lamp bulb
• Harness between IPDM E/R 

and the front combination lamp

• Front combination lamp
• IPDM E/R

Front fog lamp circuit
Refer to 

EXL-73

.

Both side

Symptom diagnosis
"BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON"
Refer to 

EXL-182

.

Front fog lamp is not turned ON.

Parking lamp is not turned ON.

• Fuse
• Parking lamp bulb
• Harness between IPDM E/R 

and the front combination lamp

• Front combination lamp
• IPDM E/R

Parking lamp circuit
Refer to 

EXL-75

.

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-85

.

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-87

.

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-85

.

• 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-181

.

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 circuit
Refer to 

EXL-77

.

Indicator lamp is includ-
ed

• Combination switch
• Harness between the combina-

tion switch and BCM

• BCM

Combination switch
Refer to 

BCS-77

.

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-49

.

• 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-83

.

Symptom

Possible cause

Inspection item

EXTERIOR LIGHTING SYSTEM SYMPTOMS

EXL-177

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

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

Aiming motor
Refer to 

EXL-71

.

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