Infiniti QX56 (Z62). Manual - part 693

 

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Infiniti QX56 (Z62). Manual - part 693

 

 

EXL-64

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

B2503, B2504 SWIVEL ACTUATOR

7.

Stop the vehicle.

8.

Perform the self-diagnosis with CONSULT-III.

Is DTC “B2504” detected?

YES

>> Refer to 

EXL-64, "Diagnosis Procedure"

NO

>> Refer to 

GI-40, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000006213930

1.

CHECK SWIVEL POSITION SENSOR SIGNAL INPUT

1.

Turn ignition switch ON.

2.

Check voltage between AFS control unit harness connector and 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 swivel motor.

EXL-67, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace front combination lamp.

3.

CHECK SWIVEL MOTOR OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AFS control unit connector and headlamp swivel actuator connector.

3.

Check continuity between AFS control unit harness connector and headlamp swivel actuator harness
connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harnesses.

4.

CHECK SWIVEL MOTOR SHORT CIRCUIT

Check continuity between AFS control unit harness connector and ground.

(+)

(

)

Voltage

(Approx.)

AFS control unit

Connector

Terminal

RH

M135

9

Ground

0.25 - 4.75 V

LH

29

AFS control unit

Headlamp swivel

actuator

Continuity

Connector

Terminal

Connector

Terminal

RH

M135

11

E123

8

Existed

13

7

32

3

34

4

LH

15

E122

3

17

4

36

8

38

7

B2503, B2504 SWIVEL ACTUATOR

EXL-65

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harnesses.

5.

CHECK SWIVEL MOTOR CIRCUIT VOLTAGE OUTPUT

1.

Connect AFS control unit connector. 

2.

Start the engine.

3.

Turn the headlamp ON.

4.

Select “LOW BEAM TEST RIGHT” or “LOW BEAM TEST LEFT” of ADAPTIVE LIGHT active test item.

5.

With operating the test item, check voltage between AFS control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace front combination lamp.

NO

>> Replace AFS control unit. Refer to 

EXL-135, "Removal and Installation"

6.

CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT INPUT VOLTAGE

1.

Turn ignition switch OFF.

2.

Disconnect headlamp swivel actuator connector.

3.

Turn ignition switch ON.

4.

Check voltage between headlamp swivel actuator harness connector and ground.

AFS control unit

Ground

Continuity

Connector

Terminal

RH

M135

11

Not existed

13

32

34

LH

15

17

36

38

(+)

(

)

Condition

Voltage

(Approx.)

AFS control unit

Connector

Terminal

RH

M135

11

Ground

Swivel motor

Active

8 - 12 V

32

LH

15

36

RH

13

Stop

9.5 - 11.5 V

34

LH

17

38

SKIB2408J

(+)

(

)

Voltage

(Approx.)

Headlamp swivel actuator

Connector

Terminal

RH

E123

2

Ground

5  V

LH

E122

EXL-66

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

B2503, B2504 SWIVEL ACTUATOR

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 8.

7.

CHECK SWIVEL POSITION SENSOR SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AFS control unit connector. 

3.

Check continuity between AFS control unit harness connector and headlamp swivel actuator harness
connector.

4.

Check continuity between AFS control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace front combination lamp.

NO

>> Repair or replace harnesses.

8.

CHECK SWIVEL POSITION SENSOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AFS control unit connector. 

3.

Check continuity between AFS control unit harness connector and headlamp swivel actuator harness
connector.

4.

Check continuity between AFS control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace AFS control unit. Refer to 

EXL-135, "Removal and Installation"

NO

>> Repair or replace harnesses.

9.

CHECK SWIVEL POSITION SENSOR GROUND CIRCUIT VOLTAGE OUTPUT

Check voltage between AFS control unit harness connector and ground.

AFS control unit

Headlamp swivel actuator

Continuity

Connector

Terminal

Connector

Terminal

RH

M135

9

E123

1

Existed

LH

29

E122

AFS control unit

Ground

Continuity

Connector

Terminal

RH

M135

9

Not existed

LH

29

AFS control unit

Headlamp swivel actuator

Continuity

Connector

Terminal

Connector

Terminal

RH

M135

4

E123

2

Existed

LH

24

E122

AFS control unit

Ground

Continuity

Connector

Terminal

RH

M135

4

Not existed

LH

24

(+)

(

)

Voltage

(Approx.)

AFS control unit

Connector

Terminal

RH

M135

2

Ground

0 V

LH

27

B2503, B2504 SWIVEL ACTUATOR

EXL-67

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Replace AFS control unit. Refer to 

EXL-135, "Removal and Installation"

10.

CHECK SWIVEL POSITION SENSOR GROUND OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AFS control unit connector and headlamp swivel actuator connector.

3.

Check continuity between AFS control unit harness connector and headlamp swivel actuator harness
connector.

Is the inspection result normal?

YES

>> Replace front combination lamp.

NO

>> Repair or replace harnesses.

Component Inspection

INFOID:0000000006213931

1.

CHECK SWIVEL MOTOR SINGLE PART

1.

Disconnect swivel actuator connector.

2.

Check resistance among each swivel actuator connector terminals.

Is the inspection result normal?

YES

>> Swivel actuator is normal.

NO

>> Replace front combination lamp.

AFS control unit

Headlamp swivel actuator

Continuity

Connector

Terminal

Connector

Terminal

RH

M135

2

E123

6

Existed

LH

27

E122

Swivel actuator

Resistance

(Approx.)

Terminal

Terminal

3

7

7.2 

4

8

3

4

10  M

 or more

 

 

 

 

 

 

 

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