Infiniti FX35, FX50 (S51). Manual - part 244

DIAGNOSIS AND REPAIR WORK FLOW

BRC-7

< BASIC INSPECTION >

[VDC/TCS/ABS]

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2.

PERFORM THE SELF-DIAGNOSIS

Perform self-diagnosis for “ABS” with CONSULT-III.
Is there any DTC displayed?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

PERFORM THE SYSTEM DIAGNOSIS

Perform the diagnosis applicable to the displayed DTC of “ABS” with CONSULT-III. Refer to 

BRC-119, "DTC

Index"

.

>> GO TO 7.

4.

CHECK THE SYMPTOM THAT IS NOT CONSIDERED A SYSTEM MALFUNCTION

Check that the symptom is a normal operation that is not considered a system malfunction. Refer to 

BRC-127,

"Description"

.

Is the symptom a normal operation?

YES

>> INSPECTION END

NO

>> GO TO 5.

5.

CHECK THE WARNING LAMP AND INDICATOR LAMP FOR ILLUMINATION

Check that the warning lamp and indicator lamp illuminate.
• ABS warning lamp: Refer to 

BRC-103, "Description"

.

• Brake warning lamp: Refer to 

BRC-104, "Description"

.

• VDC OFF indicator lamp: Refer to 

BRC-105, "Description"

.

• SLIP indicator lamp: Refer to 

BRC-106, "Description"

.

Is ON/OFF timing normal?

YES

>> GO TO 6.

NO

>> GO TO 2.

6.

PERFORM THE DIAGNOSIS BY SYMPTOM

Perform self-diagnosis for “ABS” with CONSULT-III.

>> GO TO 7.

7.

REPAIR OR REPLACE THE MALFUNCTIONING PARTS

Repair or replace the specified malfunctioning parts.

>> GO TO 8.

8.

MEMORY CLEAR

Perform self-diagnosis memory clear for “ABS” with CONSULT-III.

>> GO TO 9.

9.

FINAL CHECK

Perform the self-diagnosis again, and check that the malfunction is repaired completely.

Is no other DTC present and the repair completed?

YES

>> INSPECTION END

NO

>> GO TO 3.

BRC-8

< BASIC INSPECTION >

[VDC/TCS/ABS]

DIAGNOSIS AND REPAIR WORK FLOW

Diagnostic Work Sheet

INFOID:0000000005234476

SFIA3265E

INSPECTION AND ADJUSTMENT

BRC-9

< BASIC INSPECTION >

[VDC/TCS/ABS]

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INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

INFOID:0000000005234477

After replacing the ABS actuator and electric unit (control unit), perform the neutral position adjustment for the
steering angle sensor.

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement

INFOID:0000000005234478

1.

PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR

Perform the neutral position adjustment for the steering angle sensor.

>> Refer to 

BRC-9, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Spe-

cial Repair Requirement"

.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Description

INFOID:0000000005234479

When doing work that applies to the list below, make sure to adjust neutral position of steering angle sensor
before running vehicle.

×

: Required –: Not required

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special Re-
pair Requirement

INFOID:0000000005234480

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

CAUTION:

To adjust neutral position of steering angle sensor, make sure to use CONSULT-III.
(Adjustment cannot be done without CONSULT-III.)

1.

ALIGN THE VEHICLE STATUS

Stop the vehicle with front wheels in straight-ahead position.

>> GO TO 2.

2.

PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR

1.

Select “ABS”, "WORK SUPPORT" and “ST ANGLE SENSOR ADJUSTMENT" in order with CONSULT-III.

2.

Select “START”.

Situation

Adjustment of steering angle sensor neutral position

Removing/Installing ABS actuator and electric unit (control unit)

—

Replacing ABS actuator and electric unit (control unit)

×

Removing/Installing steering angle sensor

×

Replacing steering angle sensor

×

Removing/Installing steering components

×

Replacing steering components

×

Removing/Installing suspension components

×

Replacing suspension components

×

Change tires to new ones

—

Tire rotation

—

Adjusting wheel alignment

×

BRC-10

< BASIC INSPECTION >

[VDC/TCS/ABS]

INSPECTION AND ADJUSTMENT

CAUTION:

Never touch steering wheel while adjusting steering angle sensor.

3.

After approximately 10 seconds, select “END”.
NOTE:
After approximately 60 seconds, it ends automatically.

4.

Turn ignition switch OFF, then turn it ON again.

CAUTION:

Be sure to perform above operation.

>> GO TO 3.

3.

CHECK DATA MONITOR

1.

Run the vehicle with front wheels in straight-ahead position, then stop.

2.

Select “ABS”, “DATA MONITOR” and “STR ANGLE SIG” in order with CONSULT-III, and check steering
angle sensor signal.

Is the steering angle within the specified range?

YES

>> GO TO 4.

NO

>> Perform the neutral position adjustment for the steering angle sensor again, GO TO 1.

4.

ERASE THE SELF-DIAGNOSIS MEMORY

Erase the self-diagnosis memories for “ABS”, “ENGINE” and “ICC” with CONSULT-III.
• “ABS”: Refer to 

BRC-44, "CONSULT-III Function"

.

• “ENGINE”
- VQ35HR: Refer to 

EC-124, "CONSULT-III Function"

.

- VK50VE: Refer to 

EC-718, "CONSULT-III Function"

.

• “ICC”: Refer to 

CCS-45, "CONSULT-III Function (ICC)"

.

Are the memories erased?

YES

>> INSPECTION END

NO

>> Check the items indicated by the self-diagnosis.

STR ANGLE SIG

: 0

±

2.5

°