Infiniti EX35. Manual — part 783

EXL-176

< ECU DIAGNOSIS >

[XENON TYPE]

AFS CONTROL UNIT

JCLWM1253GB

AFS CONTROL UNIT

EXL-177

< ECU DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

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M

A

B

EXL

N

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Fail-Safe

INFOID:0000000003135376

DTC Inspection Priority Chart

INFOID:0000000003135377

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

EXL-178

< ECU DIAGNOSIS >

[XENON TYPE]

AFS CONTROL UNIT

DTC Index

INFOID:0000000003135378

×

: 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"

EXTERIOR LIGHTING SYSTEM SYMPTOMS

EXL-179

< SYMPTOM DIAGNOSIS >

[XENON TYPE]

C

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A

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EXL

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SYMPTOM DIAGNOSIS

EXTERIOR LIGHTING SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000003135379

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 (HI) is not
turned ON.

One side

• Fuse
• Halogen bulb (HI)
• Harness between IPDM E/R

and the headlamp high

• IPDM E/R

Headlamp (HI) circuit
Refer to

EXL-67

.

Both sides

Symptom diagnosis
“BOTH SIDE HEADLAMPS (HI) ARE NOT TURNED ON”
Refer to

EXL-182

.

Headlamp (HI) is not
turned OFF.

When ignition switch is
turned ON.

When ignition switch is
turned OFF.

IPDM E/R

—

High beam indicator lamp is not turned ON.
[The headlamp (HI) is turned ON.]

Combination meter

• Combination meter

Data monitor “HI-BEAM IND”

• BCM (HEAD LAMP)

Active test “HEADLAMP”

Headlamp (LO) is not
turned ON.

One side

• Fuse
• Xenon bulb (LO)
• Harness between IPDM E/R

and the headlamp low

• IPDM E/R

Headlamp (LO) circuit
Refer to

EXL-69

.

Both sides

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

EXL-183

.

Headlamp (LO) is not
turned OFF.

When ignition switch is
turned ON.

When ignition switch is
turned OFF.

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-82

.

• Optical sensor
• Harness between the optical

sensor and BCM

• BCM

Optical sensor
Refer to

EXL-81

.

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-75

.

Both side

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

EXL-185

.

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-77

.