Infiniti FX35, FX50 (S51). Manual - part 1014

 

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Infiniti FX35, FX50 (S51). Manual - part 1014

 

 

EXL-52

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

B2514 HEIGHT SENSOR UNUSUAL [RR]

Is the measurement value within the standard value?

YES

>> GO TO 7.

NO

>> Replace AFS control unit.

7.

CHECK HEIGHT SENSOR GROUND CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect AFS control unit connector and the height sensor connector.

3.

Check continuity between the AFS control unit harness connector and the height sensor harness connec-
tor.

Does continuity exist?

YES

>> Replace the height sensor.

NO

>> Repair the harnesses or connectors.

Component Inspection

INFOID:0000000005244701

1.

CHECK HEIGHT SENSOR

1.

Remove the height sensor (the height sensor connector is connected).

2.

Start the engine.

3.

Turn the light switch 2ND.

4.

Select "HI SEN OTP RR” of AFS data monitor item.

5.

With moving the sensor lever, check the monitor status.

Is the output value normal?

YES

>> Height sensor is normal. 

NO

>> Replace the height sensor.

Terminals

Voltage

(Approx.)

(+)

(

)

AFS control unit

Ground

Connector

Terminal

M16

8

0 V

AFS control unit

Height sensor

Continuity

Connector

Terminal

Connector

Terminal

M16

8

B32

3

Existed

Monitor item

Condition

Monitor status

[Standard value 

(Approx.)]

HI SEN OTP RR

Sensor lever po-
sition

Contact with 
stopper

0.9 V

Moving be-
tween two posi-
tions

Smooth move-
ment

90

°

 from stopper

4.5 V

B2516 SHIFT SIGNAL [P, R]

EXL-53

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

B2516 SHIFT SIGNAL [P, R]

Description

INFOID:0000000005244702

AFS control unit receives the shift position signal from TCM with CAN communication.

DTC Logic

INFOID:0000000005244703

DTC DETECTION LOGIC

[B2516] Shift signal [P, R]

DTC CONFIRMATION PROCEDURE

1.

DTC ERASE

Erase the DTC memory of AFS with CONSULT-III.

>> GO TO 2.

2.

DTC CONFIRMATION

1.

Turn the ignition ON.

2.

Select the self-diagnosis with CONSULT-III.

3.

Check the self-diagnosis result. Refer to 

EXL-213, "DTC Index"

.

Is “B2516” detected?

YES

>> Refer to 

EXL-53, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-36, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000005244704

1.

TCM SELF-DIAGNOSIS

Check the self-diagnosis result with CONSULT-III. Check that TCM does not detect any DTCs.
Is any DTC detected?

YES

>> Check TCM. Refer to 

TM-133, "Reference Value"

.

NO

>> GO TO 2.

2.

DTC ERASE

Erase the DTC memory of AFS with CONSULT-III.

Is the memory erased?

YES

>> Inspection end.

NO

>> Replace AFS control unit.

DTC detection condition

DTC erase condition

Possible causes

The shift position signal is not received.

Ignition switch OFF

• TCM
• AFS  control  unit

EXL-54

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

B2517 VEHICLE SPEED SIGNAL

B2517 VEHICLE SPEED SIGNAL

Description

INFOID:0000000005244705

AFS control unit receives the vehicle speed signal from the unified meter and A/C amp. with CAN communica-
tion.

DTC Logic

INFOID:0000000005244706

DTC DETECTION LOGIC

[B2517] Vehicle speed signal

DTC CONFIRMATION PROCEDURE

1.

DTC ERASE

Erase the DTC memory of AFS with CONSULT-III.

>> GO TO 2.

2.

DTC CONFIRMATION

1.

Turn the ignition ON.

2.

Select the self-diagnosis with CONSULT-III.

3.

Check the self-diagnosis result. Refer to 

EXL-213, "DTC Index"

.

Is “B2517” detected?

YES

>> Refer to 

EXL-54, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-36, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000005244707

1.

UNIFIED METER AND A/C AMP. SELF-DIAGNOSIS

Check the self-diagnosis result with CONSULT-III. Check that the unified meter and A/C amp. does not detect
any DTCs.

Is any DTC detected?

YES

>> Check the unified meter and A/C amp. Refer to 

MWI-95, "DTC Index"

.

NO

>> GO TO 2.

2.

DTC ERASE

Erase the DTC memory of AFS with CONSULT-III.

Is the memory erased?

YES

>> Inspection end.

NO

>> Replace AFS control unit.

DTC detection condition

DTC erase condition

Possible causes

The vehicle speed signal is not received.

Ignition switch OFF

• Unified meter and A/C 

amp.

• AFS  control  unit

B2519 LEVELIZER CALIBRATION

EXL-55

< DTC/CIRCUIT DIAGNOSIS >

[XENON TYPE]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

B2519 LEVELIZER CALIBRATION

Description

INFOID:0000000005244708

AFS control unit transmits the height sensor signal from the height sensor.

DTC Logic

INFOID:0000000005244709

[B2519] Levelizer calibration

Diagnosis Procedure

INFOID:0000000005244710

1.

LEVELIZER ADJUSTMENT

Perform the levelizer adjustment.

>> Refer to 

EXL-7, "LEVELIZER ADJUSTMENT : Special Repair Requirement"

.

DTC detection condition

DTC erase condition

Possible causes

The height sensor adjustment position is not recognized.

When the levelizer adjust-
ment is completed

AFS control unit

 

 

 

 

 

 

 

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