Nissan X-Trail 32. Manual - part 198

BRC-258

< BASIC INSPECTION >

[FORWARD EMERGENCY BRAKING]

DIAGNOSIS AND REPAIR WORK FLOW

NOTE:
The customers are not professionals. Never assume that “maybe the customer means···” or “maybe the cus-
tomer mentioned this symptom”. 

>> GO TO 2.

2.

SELF-DIAGNOSIS WITH CONSULT

1.

Perform “All DTC Reading” with CONSULT. 

2.

Check if the DTC is detected on the “Self-Diagnostic Results” of “LASER/RADAR”

Is any DTC detected?

YES

>> GO TO 5.

NO

>> GO TO 3.

3.

ACTION TEST

Perform the FEB system action test to check the system operation. Check if any other malfunctions occur. 

>> GO TO 4.

4.

SYMPTOM DIAGNOSIS

Perform the applicable diagnosis according to the diagnosis chart by symptom. Refer to 

BRC-301, "Symptom

Table"

. 

>> GO TO 6.

5.

TROUBLE DIAGNOSIS BY DTC

1.

Check the DTC in the “Self-Diagnostic Results”. 

2.

Perform trouble diagnosis for the detected DTC. Refer to 

BRC-247, "DTC Index"

.

>> GO TO 6.

6.

MALFUNCTIONING PART REPAIR

Repair or replace the identified malfunctioning parts. 

>> GO TO 7.

7.

REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT)

1.

Erases self-diagnosis results. 

2.

Perform “All DTC Reading” again after repairing or replacing the specific items. 

3.

Check if any DTC is detected in self-diagnosis results of “LASER/RADAR”.

Is any DTC detected?

YES

>> GO TO 5.

NO

>> GO TO 8.

8.

REPAIR CHECK (ACTION TEST)

Perform the following system action test. Check that the malfunction symptom is solved or no other symptoms
occur.

Is there a malfunction symptom?

YES

>> GO TO 4.

NO

>> Inspection End.

ADDITIONAL SERVICE WHEN REPLACING DISTANCE SENSOR

BRC-259

< BASIC INSPECTION >

[FORWARD EMERGENCY BRAKING]

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ADDITIONAL SERVICE WHEN REPLACING DISTANCE SENSOR

Description

INFOID:0000000010721834

Always perform the following after removing and installing or replacing the distance sensor: 
1.

Distance sensor initial vertical alignment

2.

Distance sensor alignment

CAUTION:

The system does not operate normally unless the distance sensor is aligned properly. 

Work Procedure

INFOID:0000000010721835

1.

DISTANCE SENSOR INITIAL VERTICAL ALIGNMENT

Perform the distance sensor initial vertical alignment. Refer to 

BRC-260, "Description"

. 

>> GO TO 2.

2.

DISTANCE SENSOR ALIGNMENT

Perform the distance sensor alignment. Refer to 

BRC-262, "Description"

. 

>> Work End.

BRC-260

< BASIC INSPECTION >

[FORWARD EMERGENCY BRAKING]

DISTANCE SENSOR INITIAL VERTICAL ALIGNMENT

DISTANCE SENSOR INITIAL VERTICAL ALIGNMENT

Description

INFOID:0000000010721838

OUTLINE OF DISTANCE SENSOR INITIAL ALIGNMENT PROCEDURE

Always perform the distance sensor initial vertical alignment before distance sensor alignment. 
NOTE:
If initial vertical alignment is not performed, the distance sensor adjustment may not be performed.

1.

Required tools, refer to 

BRC-260, "Required Tools"

.

2.

Preparation, refer to 

BRC-260, "Preparation"

. 

3.

Distance sensor initial vertical alignment, refer to 

BRC-260, "Distance Sensor Initial Vertical Alignment"

.

Required Tools

INFOID:0000000010721839

The following tool is necessary to perform the distance sensor initial vertical alignment:
• Spirit level.

Preparation

INFOID:0000000010721840

1.

PREPARATION FOR DISTANCE SENSOR INITIAL VERTICAL ALIGNMENT PROCEDURE

1.

Verify correct vehicle suspension height. Refer to 

FSU-24, "Wheelarch Height"

.

2.

Repair or replace any damaged body components.

3.

Verify proper tire inflation pressures. Refer to 

WT-66, "Tire Air Pressure"

.

4.

Remove any accumulations of mud, snow or ice from the vehicle underbody.

5.

Verify that there is no load in the vehicle (cargo or passenger). 

6.

Place the vehicle on a known level horizontal surface such as a wheel or frame alignment rack to achieve
satisfactory sensor vertical alignment results.

7.

Remove front fascia. Refer to 

EXT-15, "Removal and Installation"

.

>> Refer to 

BRC-260, "Distance Sensor Initial Vertical Alignment"

. 

Distance Sensor Initial Vertical Alignment

INFOID:0000000010721841

NOTE:
The distance sensor initial vertical alignment procedure must be performed anytime the distance sensor is
removed and reinstalled.
1.

The distance sensor 

 is located near the right front head lamp

behind the front bumper fascia.

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DISTANCE SENSOR INITIAL VERTICAL ALIGNMENT

BRC-261

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[FORWARD EMERGENCY BRAKING]

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2.

Place the spirit level 

 against the face of the distance sensor

.

3.

Turn the distance sensor adjustment screw 

 to level the sen-

sor.

4.

Insure the distance sensor electrical connector located on the bottom of the sensor is connected.

5.

Reinstall the front bumper fascia. Refer to 

EXT-15, "Removal and Installation"

.

6.

Perform the distance sensor alignment procedure. Refer to 

BRC-262, "Description"

.

NOTE:
With the front grill left removed, radar adjustment becomes easier.

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