Infiniti FX35, FX50 (S51). Manual — part 1054

EXL-212

< ECU DIAGNOSIS INFORMATION >

[XENON TYPE]

AFS CONTROL UNIT

Fail-Safe

INFOID:0000000005244780

DTC Inspection Priority Chart

INFOID:0000000005244781

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.
NOTE:
• If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000.
• If DTC U1010 is displayed with other DTC, first perform the trouble diagnosis for DTC U1010.

DTC

Fail-safe

AFS OFF indica-

tor lamp

Cancellation

CAN COMM CIRCUIT
[U1000]

• Right and left swivel motors stop at the position when

DTC is detected.

• Right and left aiming motors stop at the position when

DTC is detected.

Blinks 1 second
each.

Ignition switch OFF

CONTROL UNIT (CAN)
[U1010]

• Right and left swivel motors stop at the position when

DTC is detected.

• Right and left aiming motors stop at the position when

DTC is detected.

Blinks 1 second
each.

Ignition switch OFF

SWIVEL ACTUATOR
[RH, LH]
[B2503, B2504]

• Right and left swivel motors stop at the position when

DTC is detected.

• The signal, approximately 2 V decreased from the level-

izer signal when DTC detected, is output.

Blinks 1 second
each.

Ignition switch OFF

HI SEN UNUSUAL [RR]
[B2514]

• Right and left aiming motors stop at the position when

DTC is detected.

—

Ignition switch OFF

ST ANG SEN SIG
[C0126]

• Right and left swivel motor swivel angle returns to 0

°

and

fixed.

Blinks 1 second
each.

Ignition switch OFF

SHIFT SIG [P, R]
[B2516]

• Right and left swivel motor swivel angle returns to 0

°

and

fixed.

Blinks 1 second
each.

Ignition switch OFF

VEHICLE SPEED SIG
[B2517]

• Right and left swivel motor swivel angle returns to 0

°

and

fixed.

• Right and left aiming motors stop at the position when

DTC is detected.

Blinks 1 second
each.

Ignition switch OFF

LEVELIZER CALIB
[B2519]

• Right and left aiming motors stop at the position when

DTC is detected.

—

When the levelizer
adjustment is com-
pleted.

ST ANGLE SEN CALIB
[C0428]

• Right and left swivel motor swivel angle returns to 0

°

and

fixed.

Blinks 1 second
each.

When the steering
angle sensor neutral
position registration is
competed

ECU CIRC
[B2521]

• Right and left swivel motors stop at the position when

DTC is detected.

• Right and left aiming motors stop at the position when

DTC is detected.

Blinks 1 second
each.

Ignition switch OFF

Priority

Detected items (DTC)

1

• U1000 CAN COMM CIRCUIT
• U1010 CONTROL UNIT (CAN)

2

• B2519 LEVELIZER CALIB
• B2521 ECU CIRC
• C0428 ST ANG SEN CALIB

3

• B2503 SWIVEL ACTUATOR [RH]
• B2504 SWIVEL ACTUATOR [LH]
• B2514 HI SEN UNUSUAL [RR]
• B2516 SHIFT SIG [P, R]
• B2517 VEHICLE SPEED SIG
• C0126 ST ANG SEN SIG

AFS CONTROL UNIT

EXL-213

< ECU DIAGNOSIS INFORMATION >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

DTC Index

INFOID:0000000005244782

×

: Applicable

CONSULT indication

Fail-safe

AFS OFF indicator

lamp

Reference

U1000: CAN COMM CIRCUIT

×

×

EXL-61, "Description"

U1010: CONTROL UNIT (CAN)

×

×

EXL-62, "DTC Logic"

B2503, B2504: SWIVEL ACTUATOR [RH, LH]

×

×

EXL-44, "Description"

B2514: HI SEN UNUSUAL [RR]

×

EXL-50, "Description"

B2516: SHIFT SIG [P, R]

×

×

EXL-53, "Description"

B2517: VEHICLE SPEED SIG

×

×

EXL-54, "Description"

B2519: LEVELIZER CALIB

×

EXL-55, "Description"

B2521: ECU CIRC

×

×

EXL-56, "Description"

C0126: ST ANG SEN SIG

×

×

EXL-59, "Description"

C0428: ST ANGLE SEN CALIB

×

×

EXL-60, "Description"

EXL-214

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

EXTERIOR LIGHTING SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

EXTERIOR LIGHTING SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000005244783

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-67

.

Both sides

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

EXL-218

.

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-81

.

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-70

.

Both sides

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

EXL-219

.

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-81

.

• Optical sensor
• Harness between the optical

sensor and BCM

• BCM

Optical sensor
Refer to

EXL-83

.

EXTERIOR LIGHTING SYSTEM SYMPTOMS

EXL-215

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

Front fog lamp is not
turned ON.

One side

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

and the front fog lamp

• IPDM E/R

Front fog lamp circuit
Refer to

EXL-76

.

Both side

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

EXL-221

.

Front fog lamp is not turned ON.

Front fog lamp indicator lamp is not turned ON.
(Front fog lamp is turned ON.)

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

• Unified meter and A/C amp.

Data monitor "FR FOG IND"

• BCM (HEAD LAMP)

Active test "FR FOG LAMP"

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-78

.

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-88

.

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-90

.

Tail lamp and 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-88

.

• Parking lamp, side marker lamp, tail lamp and li-

cense plate lamp are not turned ON.

• Parking lamp, side marker lamp, tail lamp and li-

cense 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-220

.

Tail lamp indicator lamp is not turned ON.
(Parking and tail lamps are turned ON.)

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

• Unified meter and A/C amp.

Data monitor "LIGHT IND"

• BCM (HEAD LAMP)

Active test "TAIL LAMP"

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-80

.

Indicator lamp is includ-
ed

• Combination switch
• Harness between the combina-

tion switch and BCM

• BCM

Combination switch
Refer to

BCS-81

.

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-58

.

Symptom

Possible cause

Inspection item