Nissan Murano Z51. Manual - part 1259

B260C STEERING LOCK UNIT

SEC-83

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B260C STEERING LOCK UNIT

Description

INFOID:0000000005515561

The steering lock unit performs the check by itself according to the steering status.

DTC Logic

INFOID:0000000005515562

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF.

3.

Press driver side door switch.

4.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-83, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005515563

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” with CONSULT-III.

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
See 

SEC-83, "DTC Logic"

.

Is the DTC B260C displayed again?

YES

>> Replace steering lock unit.

NO

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B260C

STEERING LOCK UNIT

BCM detects malfunctioning of steering lock unit be-
fore steering locking.

Steering lock unit

SEC-84

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B260D STEERING LOCK UNIT

B260D STEERING LOCK UNIT

Description

INFOID:0000000005515564

The steering lock unit performs the check by itself according to the steering lock status (before lock, after lock
and unlock).

DTC Logic

INFOID:0000000005515565

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF.

3.

Press driver side door switch.

4.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-84, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005515566

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” with CONSULT-III.

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
See 

SEC-84, "DTC Logic"

.

Is the DTC B260D displayed again?

YES

>> Replace steering lock unit.

NO

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B260D

STEERING LOCK UNIT

BCM detects malfunctioning of steering lock unit after 
steering locking.

Steering lock unit

B260F ENGINE STATUS

SEC-85

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B260F ENGINE STATUS

Description

INFOID:0000000005515567

BCM receives the engine status signal from ECM via CAN communication.

DTC Logic

INFOID:0000000005515568

DTC DETECTION LOGIC

NOTE:
• If DTC B260F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-32, "BCM : DTC Logic"

.

• If DTC B260F is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-34, "BCM : DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

Selector lever is in the P or N position.

-

Do not depress brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-85, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005515569

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” with CONSULT-III.

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
See 

SEC-85, "DTC Logic"

.

Is the DTC B260F displayed again?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

REPLACE ECM

Replace ECM. Refer to 

EC-16, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special

Repair Requirement"

.

>> INSPECTION END

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B260F

ENG STATE SIG LOST

BCM is not yet received the engine status signal 
from ECM when ignition switch is in ON position

ECM

SEC-86

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B26E9 STEERING STATUS

B26E9 STEERING STATUS

Description

INFOID:0000000005515570

There are 2 switches in the steering lock unit (steering lock/unlock switch 1 and 2). BCM compares those 2
switches conditions to judge the present steering status.

DTC Logic

INFOID:0000000005515571

DTC DETECTION LOGIC

NOTE:
If DTC B26E9 is displayed with DTC B2609, first perform the trouble diagnosis for DTC B2609. Refer to 

SEC-

78, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF.

3.

Press driver side door switch and wait for at least 1 second.

4.

Turn ignition switch ON.

5.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Refer to 

SEC-86, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005515572

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” with CONSULT-III.

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
Refer to 

SEC-86, "DTC Logic"

.

Is the DTC B26E9 displayed again?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

REPLACE STEERING LOCK UNIT

1.

Replace steering lock unit.

2.

Perform DTC confirmation procedure. Refer to 

SEC-86, "DTC Logic"

.

Is the DTC B26E9 displayed again?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B26E9

S/L STATUS

BCM requests lock to steering lock unit, then steer-
ing lock unit transmits a recognitions signal to BCM, 
but steering lock unit remain unlock.

Steering lock unit