Infiniti EX35. Manual - part 1296

SEC-80

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B260C STEERING LOCK UNIT

B260C STEERING LOCK UNIT

Description

INFOID:0000000003586576

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

DTC Logic

INFOID:0000000003586577

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-80, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003586578

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-80, "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

B260D STEERING LOCK UNIT

SEC-81

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B260D STEERING LOCK UNIT

Description

INFOID:0000000003586579

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

DTC Logic

INFOID:0000000003586580

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-81, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003586581

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-81, "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

SEC-82

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B260F ENGINE STATUS

B260F ENGINE STATUS

Description

INFOID:0000000003586582

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

DTC Logic

INFOID:0000000003586583

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-82, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003586584

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-82, "DTC Logic"

.

Is the DTC B260F displayed again?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

REPLACE ECM

Replace ECM. Refer to 

EC-15, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description"

.

>> INSPECTION END

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B260F

INTERRUPTION OF ENGINE STATUS SIGNAL

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

ECM

B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL

SEC-83

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL

Description

INFOID:0000000003586585

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

DTC Logic

INFOID:0000000003586586

DTC DETECTION LOGIC

NOTE:
• If DTC B26E1 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-32, "BCM : DTC Logic"

.

• If DTC B26E1 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-83, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003586587

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 B26E1 displayed again?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

REPLACE ECM

Replace ECM. Refer to 

EC-15, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description"

.

>> INSPECTION END

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B26E1

NO RECEPTION OF ENGINE STATUS SIGNAL

BCM does not receive the engine status signal 
from ECM when ignition switch is in ON position

ECM