Infiniti G35 (V35) Sedan. Manual - part 652

EXL-50

< COMPONENT DIAGNOSIS >

[XENON TYPE]

B2514 HEIGHT SENSOR UNUSUAL [RR]

Is the output value normal?

YES

>> Height sensor is normal. 

NO

>> Replace the height sensor.

Leveling operation down-
ward edge 

36.2%

-22

°

1.7 V

Detection limit (suspen-
sion contraction side)

36.2%

-45

°

0.9 V

Sensor angle

LEV ACTR VLTG 

(Approx.)

Reference value 

(Approx.)

“HI SEN OTP RR”

Standard value (Approx.)

B2516 SHIFT SIGNAL [P, R]

EXL-51

< COMPONENT DIAGNOSIS >

[XENON TYPE]

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B2516 SHIFT SIGNAL [P, R]

Description

INFOID:0000000000962442

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

DTC Logic

INFOID:0000000000962443

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 ignition ON.

2.

Select the self-diagnosis with CONSULT-III.

3.

Check the self-diagnosis result. Refer to 

EXL-173, "DTC Index"

.

Is “B2516” detected?

YES

>> Refer to 

EXL-51, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-39, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000000962444

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-180, "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

• A/T  control  unit
• AFS  control  unit

EXL-52

< COMPONENT DIAGNOSIS >

[XENON TYPE]

B2517 VEHICLE SPEED SIGNAL

B2517 VEHICLE SPEED SIGNAL

Description

INFOID:0000000000962445

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

DTC Logic

INFOID:0000000000962446

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 ignition ON.

2.

Select the self-diagnosis with CONSULT-III.

3.

Check the self-diagnosis result. Refer to 

EXL-173, "DTC Index"

.

Is “B2517” detected?

YES

>> Refer to 

EXL-52, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-39, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000000962447

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-80, "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 vehicle speed signal is not received.

Ignition switch OFF

• Unified meter and A/C 

amp.

• AFS  control  unit

B2519 LEVELIZER CALIBRATION

EXL-53

< COMPONENT DIAGNOSIS >

[XENON TYPE]

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B2519 LEVELIZER CALIBRATION

Description

INFOID:0000000000962448

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

DTC Logic

INFOID:0000000000962449

[B2519] Levelizer calibration

Diagnosis Procedure

INFOID:0000000000962450

1.

LEVELIZER ADJUSTMENT

Perform the levelizer adjustment.

>> Refer to 

EXL-8, "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