Infiniti M35/M45 Y50. Manual — part 907

ACTIVE AFS

LT-173

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LT

13.

CHECK SWIVEL MOTOR CIRCUIT 1

1.

Connect front combination lamp LH connector.

2.

Turn ignition switch ON.

3.

Check voltage between AFS control unit harness connector and
ground.

OK or NG

OK

>> GO TO 14.

NG

>> GO TO 16.

14.

CHECK DIAGNOSIS RESULT 1

Select “ADAPTIVE LIGHT” on CONSULT-II. Select “SELF-DIAG
RESULTS” on “SELECT DIAG MODE” screen.

Is DTC of present malfunction detected?

YES

>>

●

If detect DTC B2503 and B2504, refer to

LT-168,

"DTC B2504 SWIVEL ACTUATOR LH"

.

●

If detect DTC B2504 only, replace AFS control unit.
Refer to

LT-192, "Removal and Installation of AFS

Control Unit"

.

●

If detect any DTC except B2503 and B2504, refer to

LT-153, "SELF-DIAG RESULTS"

.

NO

>> GO TO 15.

15.

CHECK DIAGNOSIS RESULT 2

Check “SELF-DIAG RESULTS” with steering turning 180

°

or more to

left under swivel operative condition to keep more than 2 seconds.

Is DTC B2504 of present malfunction detected?

YES

>> Replace front combination lamp LH (swivel actuator

malfunction). Refer to

LT-191, "Removal and Installation

of Front Combination Lamp"

.

NO

>> The swivel actuator system LH is normal at present.

(+)

(-)

Voltage

(Approx.)

AFS control unit

connector

Terminal

F110

15

Ground

9.5 - 11.5 V

17

36

38

PKIC0665E

SKIB4974E

SKIB4976E

LT-174

ACTIVE AFS

16.

CHECK SWIVEL MOTOR CIRCUIT 2

1.

Turn ignition switch OFF.

2.

Disconnect AFS control unit connector and front combination lamp LH connector.

3.

Check continuity between AFS control unit harness connector
(A) and front combination lamp LH harness connector (B).

4.

Check continuity between AFS control unit harness connector
(A) and ground.

OK or NG

OK

>> Replace AFS control unit. Refer to

LT-192, "Removal and Installation of AFS Control Unit"

.

NG

>> Repair or replace harness or connector.

A

B

Continuity

Connector

Terminal

Connector

Terminal

F110

15

E53

17

Yes

17

16

36

20

38

21

A

Ground

Continuity

Connector

Terminal

F110

15

No

17

36

38

PKIC0666E

ACTIVE AFS

LT-175

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LT

DTC B2514 HI SEN UNUSUAL RR

NKS003QQ

1.

CHECK HEIGHT SENSOR SIGNAL

1.

Turn ignition switch ON.

2.

Select “ADAPTIVE LIGHT” on CONSULT-II. Select “DATA
MONITOR” on “SELECT DIAG MODE” screen.

3.

Check “HI SEN OTP RR” in “Data Monitor”.

OK or NG

OK

>> GO TO 2.

NG

>>

●

If voltage is less than approx. 0.25V, GO TO 3.

●

If voltage is more than approx. 4.75V, GO TO 7.

2.

CHECK HEIGHT SENSOR POWER SUPPLY

Check voltage between AFS control unit harness connector and
ground.

OK or NG

OK

>> The height sensor system is normal at present.

NG

>> Replace AFS control unit. Refer to

LT-192, "Removal

and Installation of AFS Control Unit"

.

3.

CHECK HEIGHT SENSOR SIGNAL

Check voltage between AFS control unit harness connector and
ground.

OK or NG

OK

>> Replace AFS control unit. Refer to

LT-192, "Removal

and Installation of AFS Control Unit"

.

NG

>>

●

If voltage is less than approx. 0.25V, GO TO 4.

●

If voltage is more than approx. 4.75V, GO TO 7.

HI SEN OTP RR

: Approx. 0.25 – 4.75 V

SKIB4793E

Terminals

Voltage

(Approx.)

(+)

(-)

AFS control unit

connector

Terminal

F110

6

Ground

4.0 - 6.0 V

PKIC0667E

Terminals

Voltage

(Approx.)

(+)

(-)

AFS control unit

connector

Terminal

F110

28

Ground

0.25 - 4.75 V

PKIC0668E

LT-176

ACTIVE AFS

4.

CHECK HEIGHT SENSOR POWER SUPPLY

Check voltage between AFS control unit harness connector and
ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 9.

5.

CHECK HEIGHT SENSOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect height sensor connector.

3.

Turn ignition switch ON.

4.

Check voltage between height sensor harness connector and
ground.

OK or NG

OK

>> GO TO 6.

NG

>> Repair harness or connector.

6.

CHECK HEIGHT SENSOR SIGNAL CIRCUIT

1.

Disconnect AFS control unit connector.

2.

Check continuity between AFS control unit harness connector
(A) and height sensor harness connector (B).

OK or NG

OK

>> Replace height sensor. Refer to

LT-193, "Removal and

Installation of Height Sensor"

.

NG

>> Repair harness or connector.

Terminals

Voltage

(Approx.)

(+)

(-)

AFS control unit

connector

Terminal

F110

6

Ground

4.0 - 6.0 V

PKIC0667E

Terminals

Voltage

(Approx.)

(+)

(-)

Height sensor

connector

Terminal

B468

1

Ground

4.0 - 6.0 V

PKIC0669E

A

B

Continuity

Connector

Terminal Connector

Terminal

F110

28

B103

2

Yes

PKIC0670E