Nissan X-Trail 32. Manual - part 1851

B27DD BCM - S/L ID DISCORD

SEC-171

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B27DD BCM - S/L ID DISCORD

DTC Description

INFOID:0000000010922207

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Steering lock unit
• BCM

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-171, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010922208

1.

INTELLIGENT KEY REGISTRATION

Using CONSULT, register all Intelligent Keys again.

>> GO TO 2.

2.

CHECK SELF DIAGNOSTIC RESULT

1.

Select “Self Diagnostic Result” mode of “BCM” using CONSULT.

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC B27DD-00. Refer to 

SEC-171, "DTC Description"

.

Is the DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

REPLACE STEERING LOCK UNIT

1.

Replace steering lock unit.

2.

Perform the service procedure for steering lock unit replacement. Refer to 

SEC-101, "STEERING LOCK

UNIT : Work Procedure"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 4.

4.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

2.

Perform DTC CONFIRMATION PROCEDURE for DTC B27DD-00. Refer to 

SEC-171, "DTC Description"

.

Is the DTC detected?

YES

>> GO TO 5.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B27DD–00

BCM-S/L ID DISCORD
(Body control module - 
steering lock unit identifica-
tion discord)

When BCM detects that the ID verification result of the steeling lock unit is NG.

SEC-172

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27DD BCM - S/L ID DISCORD

NO

>> INSPECTION END

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

B27DE S/L MECHANICAL MALFUNCTION

SEC-173

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B27DE S/L MECHANICAL MALFUNCTION

DTC Description

INFOID:0000000010922209

DTC DETECTION LOGIC

POSSIBLE CAUSE

Steering lock unit

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-173, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010922210

1.

REPLACE STEERING LOCK UNIT

1.

Replace steering lock unit.

2.

Perform the service procedure for steering lock unit replacement. Refer to 

SEC-101, "STEERING LOCK

UNIT : Work Procedure"

.

>> GO TO 2.

2.

CHECK SELF DIAGNOSTIC RESULT

1.

Select “Self Diagnostic Result” mode of “BCM” using CONSULT.

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC B27DE-00. Refer to 

SEC-173, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

CONSULT screen items

(Trouble diagnosis con-

tent)

DTC detecting condition

B27DE–00

S/L MECHANICAL 
MALFUNCTION
(Steering lock unit me-
chanical malfunction)

When steering lock unit detects a steering lock unit internal malfunction, and steer-
ing lock unit no longer operates normally.

SEC-174

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27DF S/L HIGH LEVEL MALFUNCTION

B27DF S/L HIGH LEVEL MALFUNCTION

DTC Description

INFOID:0000000010922211

DTC DETECTION LOGIC

POSSIBLE CAUSE

Steering lock unit

FAIL-SAFE

Inhibit steering lock/unlock

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-174, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010922212

1.

REPLACE STEERING LOCK UNIT

1.

Replace steering lock unit.

2.

Perform the service procedure for steering lock unit replacement. Refer to 

SEC-101, "STEERING LOCK

UNIT : Work Procedure"

.

>> GO TO 2.

2.

CHECK SELF DIAGNOSTIC RESULT

1.

Select “Self Diagnostic Result” mode of “BCM” using CONSULT.

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC B27DE-00. Refer to 

SEC-173, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B27DF–00

S/L HIGH LEVEL MALFUNC-
TION
(Steering lock unit high level mal-
function)

When steering lock unit detects an internal malfunction and the steering lock 
unit no longer operates normally.