Infiniti G35 (V35) Sedan. Manual - part 1180

B260C STEERING LOCK UNIT

SEC-75

< COMPONENT DIAGNOSIS >

[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:0000000000961401

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

DTC Logic

INFOID:0000000000961402

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF.

3.

Press door switch.

4.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-75, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000000961403

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-75, "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 
before steering locking.

• Steering lock unit

SEC-76

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B260D STEERING LOCK UNIT

B260D STEERING LOCK UNIT

Description

INFOID:0000000000961404

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

DTC Logic

INFOID:0000000000961405

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF.

3.

Press door switch.

4.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-76, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000000961406

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-76, "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 af-
ter steering locking.

• Steering lock unit

B260F ENGINE STATUS

SEC-77

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B260F ENGINE STATUS

Description

INFOID:0000000000961407

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

DTC Logic

INFOID:0000000000961408

DTC DETECTION LOGIC

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

BCS-33, "DTC Logic"

.

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

BCS-34, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

A/T selector lever is in the P or N position.

-

Do not depress the brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-77, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000000961409

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-77, "DTC Logic"

.

Is the DTC B260F displayed again?

YES

>> GO TO 2.

NO

>> INSPECTION END.

2.

REPLACE ECM

1.

Replace ECM.

2.

Go to 

EC-15, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Require-

ment"

.

>> 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

SEC-78

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL

B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL

Description

INFOID:0000000000961410

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

DTC Logic

INFOID:0000000000961411

DTC DETECTION LOGIC

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

SEC-35, "DTC Logic"

.

• If DTC B26E1 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-36, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

A/T selector lever is in the P or N position.

-

Do not depress the brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-78, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000000961412

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-78, "DTC Logic"

.

Is the DTC B26E1 displayed again?

YES

>> GO TO 2.

NO

>> INSPECTION END.

2.

REPLACE ECM

1.

Replace ECM.

2.

Go to 

EC-15, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Require-

ment"

.

>> INSPECTION END.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B260F

NO RECEPTION OF 
ENGINE STATUS 
SIGNAL

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

• ECM