Ошибка b2503 инфинити

EXL-42

< COMPONENT DIAGNOSIS >

[XENON TYPE]

B2503, B2504 SWIVEL ACTUATOR

COMPONENT DIAGNOSIS

B2503, B2504 SWIVEL ACTUATOR

Description

INFOID:0000000000962434

SWIVEL ACTUATOR

The swivel actuator is installed in the headlamp unit. The swivel actuator consists of the swivel motor and the
swivel position sensor.

SWIVEL MOTOR

• The swivel motor is the two-phase step motor.
• The swivel motor drives headlamp by exciting the two drive coils according to the drive signal from AFS con-

trol unit.

• The rotation direction of the swivel motor is changeable by changing the exciting pattern.

SWIVEL POSITION SENSOR

The swivel position sensor detects the headlamp swivel angle to transmit the swivel position sensor signal to
AFS control unit.

DTC Logic

INFOID:0000000000962435

DTC DETECTION LOGIC

• [B2503] Swivel actuator [RH]
• [B2504] Swivel actuator [LH]

*: Initialization is not included.

DTC CONFIRMATION PROCEDURE

1.

DTC ERASE

Erase the DTC memory of AFS with CONSULT-III.

>> GO TO 2.

2.

CONFIRMATION DTC SELECTION

Select «B2503» or «B2504» for confirmation.

Which DTC is confirmation?

B2503 >> GO TO 3.
B2504 >> GO TO 4.

3.

DTC CONFIRMATION (B2503)

1.

Steer to the straight-forward position.

2.

Start the engine.

3.

Turn AFS OFF switch OFF.

4.

Turn the headlamp ON.

5.

Shift the selector lever to «N» (A/T models).

6.

Shift the shift knob to neutral (M/T models).

7.

Steer to the right. (Rotate it once or more.)

DTC detection condition

DTC erase

condition

Possible cause

AFS control unit indicates an applicable DTC when detecting any of the follow-
ing conditions continuously for 2 seconds or more.
• AFS control unit-recognized swivel position differs extremely from the swivel

position sensor-input value while the swivel operating.

*

• The swivel position sensor signal does not change even though AFS control

unit transmits the swivel motor driving signal while the swivel operating

*

.

• The swivel motor short and open is detected while the swivel operating

*

.

• The swivel position sensor power supply is 6 V or more, or 4 V or less.
• The swivel position sensor signal is 0.25 V or less, or 4.75 V or more.

Ignition switch
OFF

Swivel position sensor
• Swivel position sensor
• Harness and connector
• AFS control unit
Swivel motor
• Swivel motor
• Harness and connector
• AFS control unit

B2503, B2504 SWIVEL ACTUATOR

EXL-43

< COMPONENT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

8.

Perform the self-diagnosis with CONSULT-III.

Is «B2503» detected?

YES

>> Refer to

EXL-43, «Diagnosis Procedure»

.

NO

>> Refer to

GI-39, «Intermittent Incident»

.

4.

DTC CONFIRMATION (B2504)

1.

Steer to the straight-forward position.

2.

Start the engine.

3.

Turn AFS OFF switch OFF.

4.

Turn the headlamp ON.

5.

Drive at 25 km/h or more.

6.

Steer to the left. (Rotate it once or more.)

7.

Stop the vehicle.

8.

Perform the self-diagnosis with CONSULT-III.

Is «B2504» detected?

YES

>> Refer to

EXL-43, «Diagnosis Procedure»

.

NO

>> Refer to

GI-39, «Intermittent Incident»

.

Diagnosis Procedure

INFOID:0000000000962436

1.

CHECK SWIVEL POSITION SENSOR SIGNAL INPUT

1.

Turn the ignition switch ON.

2.

Check the voltage between the AFS control unit harness connector and the ground.

Is the measurement value within the standard value?

YES

>> GO TO 2.

Less than the standard value >>GO TO 6.
Higher than the standard value>>GO TO 9.

2.

CHECK SWIVEL MOTOR

Check the swivel motor.

EXL-46, «Component Inspection»

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace the front combination lamp.

3.

CHECK SWIVEL MOTOR OPEN CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect AFS control unit connector and the headlamp swivel actuator connector.

3.

Check continuity between the AFS control unit harness connector and the headlamp swivel actuator har-
ness connector.

Terminals

Voltage

(Approx.)

(+)

(

−

)

AFS control unit

Ground

Connector

Terminal

RH

M16

9

0.25 — 4.75 V

LH

29

AFS control unit

Headlamp swivel

actuator

Continuity

Connector

Terminal

Connector

Terminal

EXL-44

< COMPONENT DIAGNOSIS >

[XENON TYPE]

B2503, B2504 SWIVEL ACTUATOR

Does continuity exist?

YES

>> GO TO 4.

NO

>> Repair the harnesses or connectors.

4.

CHECK SWIVEL MOTOR SHORT CIRCUIT

Check continuity between the AFS control unit harness connector and the ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> GO TO 5.

5.

CHECK SWIVEL MOTOR CIRCUIT VOLTAGE OUTOPUT

1.

Connect AFS control unit connector.

2.

Turn the ignition switch ON.

3.

Check the voltage between the AFS control unit harness connector and the ground.

RH

M16

11

E29

8

Existed

13

7

32

3

34

4

LH

M16

15

E59

3

17

4

36

8

38

7

Terminals

Continuity

(+)

(

−

)

AFS control unit

Ground

Connector

Terminal

RH

M16

11

Not existed

13

32

34

LH

M16

15

17

36

38

Terminals

Voltage

(Approx.)

(+)

(

−

)

AFS control unit

Ground

Connector

Terminal

RH

M16

11

9.5 — 11.5 V

13

32

34

LH

M16

15

17

36

38

B2503, B2504 SWIVEL ACTUATOR

EXL-45

< COMPONENT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

Is the measurement value within the standard value?

YES

>> Replace the front combination lamp.

NO

>> Replace AFS control unit.

6.

CHECK SWIVEL POSITION SENSOR SIGNAL OUTPUT

Check the voltage between the AFS control unit harness connector and the ground.

Is the measurement value normal?

YES

>> GO TO 7.

NO

>> GO TO 9.

7.

CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT INPUT VOLTAGE

1.

Turn the ignition switch OFF.

2.

Disconnect the headlamp swivel actuator connector.

3.

Turn the ignition switch ON.

4.

Check the voltage between the headlamp swivel actuator harness connector and the ground.

Is the measurement value normal?

YES

>> GO TO 8.

NO

>> Repair the harnesses or connectors.

8.

CHECK SWIVEL POSITION SENSOR SIGNAL SHORT CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect AFS control unit connector.

3.

Check continuity between the AFS control unit harness connector and the headlamp swivel actuator har-
ness connector.

Does continuity exist?

YES

>> Replace the front combination lamp.

NO

>> Repair the harnesses or connectors.

9.

CHECK SWIVEL POSITION SENSOR GROUND CIRCUIT VOLTAGE OUTPUT

Check the voltage between the AFS control unit harness connector and the ground.

Terminals

Voltage

(Approx.)

(+)

(

−

)

AFS control unit

Ground

Connector

Terminal

RH

M16

4

5 V

LH

24

Terminals

Voltage

(Approx.)

(+)

(

−

)

Headlamp swivel actuator

Ground

Connector

Terminal

RH

E29

2

5 V

LH

E59

2

AFS control unit

Headlamp swivel actua-

tor

Continuity

Connector

Terminal

Connector

Terminal

RH

M16

9

E29

1

Existed

LH

29

E59

1

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