Nissan Altima L32. Manual - part 1335

SEC-490

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

B260D STEERING LOCK UNIT

B260D STEERING LOCK UNIT

Description

INFOID:0000000004499171

The electronic steering column lock performs the check by itself according to the steering lock status (before

lock, after lock and unlock).

DTC Logic

INFOID:0000000004499172

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-490, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004499173

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-490, "DTC Logic"

.

Is the DTC B260D displayed again?

YES

>> Replace electronic steering column lock.

NO

>> Inspection End.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B260D

STEERING LOCK 
UNIT

BCM detects malfunctioning of electronic steering 
column lock after steering locking.

• Electronic steering column lock

B260F ENGINE STATUS

SEC-491

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

C

D

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F

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B260F ENGINE STATUS

Description

INFOID:0000000004499174

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

DTC Logic

INFOID:0000000004499175

DTC DETECTION LOGIC

NOTE:

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

SEC-433, "DTC Logic"

.

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

SEC-434, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON under the following conditions.

-

CVT 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-491, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004499176

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-491, "DTC Logic"

.

Is the DTC B260F displayed again?

YES

>> GO TO 2

NO

>> Inspection End.

2.

REPLACE ECM

1. Replace ECM.

2. Refer to 

EC-560, "BASIC INSPECTION : Special Repair Requirement"

 (QR25DE except California) or

EC-24, "BASIC INSPECTION : Special Repair Requirement"

 (QR25DE California).

>> Inspection End.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B260F

INTERRUPTION OF 
ENGINE STATUS 
SIGNAL

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

• ECM

SEC-492

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

B2612 STEERING STATUS

B2612 STEERING STATUS

Description

INFOID:0000000004499177

There are 2 switches in the electronic steering column lock. 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:0000000004499178

DTC DETECTION LOGIC

NOTE:

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

SEC-433, "DTC Logic"

.

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

SEC-434, "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.

-

CVT 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-492, "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-492, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004499179

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

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

• Harness or connectors

[electronic steering column lock circuit (IP-
DM E/R side) is open or shorted.]

• Electronic steering column lock 
• IPDM E/R

B2612 STEERING STATUS

SEC-493

< COMPONENT DIAGNOSIS >

[SEDAN WITHOUT INTELLIGENT KEY]

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1. Turn ignition switch OFF.

2. Disconnect electronic steering column lock harness connector and IPDM E/R harness connector.

3. Check voltage between electronic steering column lock harness

connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> GO TO 3

3.

CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-I

1. Disconnect BCM harness connector.

2. Check continuity between BCM harness connector M19 (A) ter-

minal 85 and electronic steering column lock harness connector

M32 (B) terminal 3.

3. Check continuity between BCM harness connector M19 (A) ter-

minal 85 and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Repair harness or connector.

4.

CHECK IPDM E/R OUTPUT SIGNAL

1. Connect IPDM E/R harness connector.

2. Disconnect BCM harness connector.

3. Check voltage between electronic steering column lock harness

connector and ground.

Is the inspection result normal?

YES

>> Replace electronic steering column lock. 

NO

>> GO TO 5

5.

CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-II

Electronic steering column lock

Ground

Voltage [V]

Connector

Terminal

M32

3

Ground

Battery voltage

ALKIA0454ZZ

BCM

Electronic steering column lock

Continuity

Connector

Terminal

Connector

Terminal

A:  M19

85

B:  M32

3

Yes

BCM

Ground

Continuity

Connector

Terminal

A: M19

85

Ground

No

ALKIA0455ZZ

Electronic steering column lock

Ground

Voltage [V]

Connector

Terminal

M32

3

Ground

Battery voltage

ALKIA0454ZZ