Nissan Altima HL32 Hybrid. Manual - part 999

 

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Nissan Altima HL32 Hybrid. Manual - part 999

 

 

B260C STEERING LOCK UNIT

SEC-69

< 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:0000000004216041

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

DTC Logic

INFOID:0000000004216042

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

>> Refer to 

SEC-69, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216043

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-69, "DTC Logic"

.

Is the DTC B260C displayed again?

YES

>> Replace steering lock unit. Refer to 

STC-58, "Removal and Installation"

.

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-70

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B260D STEERING LOCK UNIT

B260D STEERING LOCK UNIT

Description

INFOID:0000000004216044

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

and unlock).

DTC Logic

INFOID:0000000004216045

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

>> Refer to 

SEC-70, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216046

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-70, "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-71

< 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:0000000004216047

BCM receives the hybrid system status signal from hybrid vehicle control ECU via CAN communication.

DTC Logic

INFOID:0000000004216048

DTC DETECTION LOGIC

NOTE:

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

SEC-28, "DTC Logic"

.

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

SEC-29, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions.

-

ECVT selector lever is in the P position.

-

Do not depress the brake pedal.

2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?

YES

>> Refer to 

SEC-71, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216049

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-71, "DTC Logic"

.

Is the DTC B260F displayed again?

YES

>> GO TO 2

NO

>> Inspection End.

2.

REPLACE HV ECU

1. Replace hybrid vehicle control ECU. Refer to 

HBC-644, "Precaution for replacing hybrid vehicle control

ECU"

.

2. Refer to 

HBC-644, "Removal and Installation"

.

>> Inspection End.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B260F

INTERRUPTION OF 
ENGINE STATUS 
SIGNAL

BCM is not yet received the hybrid system status 
signal from hybrid vehicle control ECU when igni-
tion switch is in ON position

• Hybrid vehicle control ECU

SEC-72

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2612 STEERING STATUS

B2612 STEERING STATUS

Description

INFOID:0000000004216050

There are 2 switches in the steering unit. IPDM E/R compares those 2 switches conditions to judge the

present steering status and transmit the result to BCM via CAN communication.

DTC Logic

INFOID:0000000004216051

DTC DETECTION LOGIC

NOTE:

• If DTC B2612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-28, "DTC Logic"

.

• If DTC B2612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-29, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1. Press the push-button ignition switch under the following conditions and wait for at least 1 second.

-

ECVT selector lever is in the P or N position.

-

Do not depress brake pedal.

-

Steering is locked.

2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?

YES

>> Refer to 

SEC-72, "Diagnosis Procedure"

.

NO

>> GO TO 2

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

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

>> Refer to 

SEC-72, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216052

1.

INSPECTION START

Check the case in which DTC is detected.

• Case1: It is detected after ignition switch is changed from ON to OFF and door switch is pressed.

• Case2: It is detected after ignition switch is changed from ON to OFF
In which case is DTC detected?

Case1 >> GO TO 2

Case2 >> GO TO 7

2.

CHECK BCM OUTPUT SIGNAL

DTC

Self-diagnosis 

name

DTC detecting condition

Possible causes

B2612

STEERING STA-
TUS

BCM detects the mismatch between the 
following status for 1 second
• Steering lock or unlock
• Feedback of steering lock status from 

IPDM E/R (CAN)

• Harness or connectors

[steering lock unit circuit (BCM side) is 
open or shorted]

• Harness or connectors

[steering lock unit circuit (IPDM E/R side) 
is open or shorted.]

• Steering lock unit 
• IPDM E/R

 

 

 

 

 

 

 

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