Nissan X-Trail 32. Manual - part 1853

B27E4 S/L REGISTRATION STATUS

SEC-179

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B27E4 S/L REGISTRATION STATUS

DTC Description

INFOID:0000000010922219

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Steering lock unit
• BCM

FAIL-SAFE

—

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-179, "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:0000000010922220

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 B27E4-00. Refer to 

SEC-179, "DTC Description"

.

Is the DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

2.

Perform DTC CONFIRMATION PROCEDURE for DTC B27E4-00. Refer to 

SEC-179, "DTC Description"

.

Is the DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

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"

.

>> INSPECTION END

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B27E4–00

S/L REGISTRATION STATUS
(Steering lock unit registration status)

When BCM does not register the steering lock unit successfully.

SEC-180

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E5 S/L IGN OFF POSITION

B27E5 S/L IGN OFF POSITION

DTC Description

INFOID:0000000010922221

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(Steering lock unit power supply is shorted)

• IPDM E/R
• 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-180, "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:0000000010922222

1.

CHECK STEERING LOCK UNIT POWER SUPPLY

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 2.

2.

CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT

1.

Disconnect IPDM E/R connector and BCM connector.

2.

Check continuity between BCM harness connector and IPDM E/R harness connector.

3.

Check continuity between BCM harness connector and ground.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B27E5–00

S/L IGN OFF POSITION
(Steering lock unit ignition off position)

When BCM detects a short in the steering lock unit power circuit.

(+)

(-)

Condition

Voltage

BCM

Connector

Terminal

E23

166

Ground

Ignition switch

OFF

9 - 16 V

ON

0 - 0.5 V

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

E10

3

E23

166

Existed

BCM

Ground

Continuity

Connector

Terminal

E23

166

Not existed

B27E5 S/L IGN OFF POSITION

SEC-181

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness

3.

REPLACE IPDM E/R

Replace IPDM E/R. Refer to 

PCS-60, "Removal and Installation"

.

Is DTC detected?

YES

>> INSPECTION END

NO

>> GO TO 4.

4.

REPLACE BCM

Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

Is DTC detected?

YES

>> INSPECTION END

NO

>> GO TO 5.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

SEC-182

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E6 S/L ANTI-SCAN MODE

B27E6 S/L ANTI-SCAN MODE

DTC Description

INFOID:0000000010922223

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• 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-182, "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:0000000010922224

1.

CHECK SELF DIAGNOSTIC RESULT

1.

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

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC B27E6-00. Refer to 

SEC-182, "DTC Description"

.

Is the DTC detected?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

CHECK FUNCTION

Check that a steering lock unit compatible with the vehicle is installed.
Is a steering lock unit compatible with the vehicle is installed?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

STEERING LOCK UNIT REGISTRATION

Using CONSULT, register steering lock unit again.

Does steering lock operate?

YES

>> GO TO 1.

NO

>> GO TO 4.

4.

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 5.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B27E6–00

S/L ANTISCAN MODE
(Steering lock unit anti-scan mode)

When the BCM detects multiple inconsistencies in steering lock unit ID 
verification.