Nissan X-Trail 32. Manual - part 1852

B27E0 S/L LOW LEVEL MALFUNCTION

SEC-175

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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B27E0 S/L LOW LEVEL MALFUNCTION

DTC Description

INFOID:0000000010922213

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-175, "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:0000000010922214

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

B27E0–00

S/L LOW LEVEL MAL-
FUNCTION
(Steering lock unit low level 
malfunction)

When the steering lock unit detects an internal memory malfunction

SEC-176

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E1 S/L SAFETY CIRCUIT

B27E1 S/L SAFETY CIRCUIT

DTC Description

INFOID:0000000010922215

The safety circuit is the circuit with an interlock function that prohibits lock operation of the steering lock unit at
ignition switch ON.

DTC DETECTION LOGIC

POSSIBLE CAUSE

Harness or connectors
(Steering lock unit safety circuit is open or shorted)

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Performs lock operation of the steering lock unit.

2.

Press push-button ignition switch under the following conditions.

-

Selector lever: In the P position.

-

Brake pedal: Not depressed.

3.

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

Is DTC detected?

YES

>> Refer to 

SEC-176, "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:0000000010922216

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check that following fuse in IPDM E/R is not blown.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the cause of blowing.

2.

CHECK STEERING LOCK UNIT SAFETY CIRCUIT1

1.

Turn ignition switch ON.

2.

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B27E1–00

S/L SAFETY CIRCUIT
(Steering lock unit safety circuit)

When the steering lock unit detects a short circuit and disconnection in the 
safety circuit.

Fuse No.

Signal name

95 (5A)

Ignition ON power supply

(+)

(-)

Voltage

Steering lock unit

Connector

Terminal

M57

7

Ground

6 - 16 V

B27E1 S/L SAFETY CIRCUIT

SEC-177

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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3.

CHECK STEERING LOCK UNIT SAFETY CIRCUIT2

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector and steering lock unit connector.

3.

Check continuity between steering lock unit harness connector and IPDM E/R harness connector.

4.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

IPDM E/R

Steering lock unit

Continuity

Connector

Terminal

Connector

Terminal

E12

25

M57

7

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

E12

25

Not existed

SEC-178

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27E3 S/L KEY NOT REGISTRATION

B27E3 S/L KEY NOT REGISTRATION

DTC Description

INFOID:0000000010922217

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• Steering lock unit

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-178, "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:0000000010922218

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 B27E3-00. Refer to 

SEC-178, "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 B27E3-00. Refer to 

SEC-178, "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

B27E3–00

S/L KEY NOT REGISTRATION
(Steering lock unit key not regis-
tration)

When the steering lock unit is registered in a KEY unregistered status.