Infiniti QX56 (JA60). Manual - part 123

 

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Infiniti QX56 (JA60). Manual - part 123

 

 

DIAGNOSIS AND REPAIR WORKFLOW

BRC-5

< BASIC INSPECTION >

[VDC/TCS/ABS]

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OVERALL SEQUENCE

DETAIED FLOW

1.

COLLECT THE INFORMATION FROM THE CUSTOMER

Get the detailed information from the customer about the symptom (the condition and the environment when

the incident/malfunction occurred) using the diagnosis worksheet. Refer to 

BRC-7, "Diagnostic Work Sheet"

.

>> GO TO 2

JSFIA0010GB

BRC-6

< BASIC INSPECTION >

[VDC/TCS/ABS]

DIAGNOSIS AND REPAIR WORKFLOW

2.

PERFORM THE SELF-DIAGNOSIS

Check the DTC display with the self-diagnosis function. Refer to 

BRC-23, "CONSULT-III Function (ABS)"

.

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. Refer to 

BRC-100, "DTC No. 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-109,

"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-82, "Description"

.

• Brake warning lamp: Refer to 

BRC-83, "Description"

.

• VDC OFF indicator lamp: Refer to 

BRC-84, "Description"

.

• SLIP indicator lamp: Refer to 

BRC-86, "Description"

.

Is ON/OFF timing normal?

YES

>> GO TO 6

NO

>> GO TO 2

6.

PERFORM THE DIAGNOSIS BY SYMPTOM

Perform the diagnosis applicable to the symptom. 

>> GO TO 7

7.

REPAIR OR REPLACE THE MALFUNCTIONING PARTS

Repair or replace the specified malfunctioning parts.

>> GO TO 8

8.

FINAL CHECK

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

the self-diagnosis memory. Refer to 

BRC-23, "CONSULT-III Function (ABS)"

.

Is no other DTC present and the repair completed?

YES

>> Inspection End

NO

>> GO TO 3

DIAGNOSIS AND REPAIR WORKFLOW

BRC-7

< BASIC INSPECTION >

[VDC/TCS/ABS]

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Diagnostic Work Sheet

INFOID:0000000005147939

SFIA3265E

BRC-8

< BASIC INSPECTION >

[VDC/TCS/ABS]

INSPECTION AND ADJUSTMENT

INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

INFOID:0000000005147940

After replacing the ABS actuator and electric unit (control unit), perform the following procedures:

• Neutral position adjustment for the steering angle sensor

• Calibration of the decel G sensor

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

INFOID:0000000005147941

1.

PERFORM THE NEUTRAL POSITION ADJUSTMENT FOR THE STEERING ANGLE SENSOR

Perform the neutral position adjustment for the steering angle sensor.

>> Refer to 

BRC-8, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Spe-

cial Repair Requirement"

, GO TO 2

2.

PERFORM CALIBRATION OF THE DECEL G SENSOR

Perform calibration of the decel G sensor.

>> Refer to 

BRC-9, "CALIBRATION OF DECEL G SENSOR : Special Repair Requirement"

.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Description

INFOID:0000000005147942

Refer to the table below to determine if adjustment of steering angle sensor neutral position is required.

×: Required –: Not required

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

INFOID:0000000005147943

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 vehicle with front wheels in straight-ahead position.

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

×

Battery disconnection

×

 

 

 

 

 

 

 

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