Nissan Altima L32. Manual - part 1236

SEC-94

< COMPONENT DIAGNOSIS >

[COUPE]

B2609 STEERING STATUS

2.

CHECK BCM OUTPUT SIGNAL

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

B2609 STEERING STATUS

SEC-95

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1. Check continuity between electronic steering column lock har-

ness connector M32 (A) terminal 3 and IPDM E/R harness con-

nector E18 (B) terminal 32.

2. Check continuity between electronic steering column lock har-

ness connector M32 (A) terminal 3 and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Repair harness or connector.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

7.

CHECK BCM OUTPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect electronic steering column lock harness connector and IPDM E/R harness connector E5.

3. Check voltage between electronic steering column lock harness

connector and ground.

Is the inspection result normal?

YES

>> GO TO 9

NO

>> GO TO 8

8.

CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-I

1. Disconnect BCM harness connector M19.

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

minal 86 and electronic steering column lock harness connector

M32 (B) terminal 8.

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

minal 86 and ground.

Is the inspection result normal?

Electronic steering column lock

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

A: M32

3

B: E18

32

Yes

Electronic steering column lock

Ground

Continuity

Connector

Terminal

A: M32

3

Ground

No

ALKIA0456ZZ

Electronic steering column lock

Ground

Voltage [V]

Connector

Terminal

M32

8

Ground

Battery voltage

ALKIA0457ZZ

BCM

Electronic steering column lock

Continuity

Connector

Terminal

Connector

Terminal

A:  M19

86

B:  M32

8

Yes

BCM

Ground

Continuity

Connector

Terminal

A: M19

86

Ground

No

ALKIA0458ZZ

SEC-96

< COMPONENT DIAGNOSIS >

[COUPE]

B2609 STEERING STATUS

YES

>> GO TO 11

NO

>> Repair harness or connector.

9.

CHECK IPDM E/R OUTPUT SIGNAL

1. Connect IPDM E/R harness connector.

2. Disconnect BCM harness connector M19.

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 10

10.

CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-II

1. Check continuity between electronic steering column lock har-

ness connector M32 (A) terminal 8 and IPDM E/R harness con-

nector E18 (B) terminal 33.

2. Check continuity between electronic steering column lock har-

ness connector and ground.

Is the inspection result normal?

YES

>> GO TO 11

NO

>> Repair harness or connector.

11.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

Electronic steering column lock

Ground

Voltage [V]

Connector

Terminal

M32

8

Ground

Battery voltage

ALKIA0457ZZ

Electronic steering column lock

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

A: M32

8

B: E18

33

Yes

Electronic steering column lock

Ground

Continuity

Connector

Terminal

A: M32

8

Ground

No

ALKIA0459ZZ

B260B STEERING LOCK UNIT

SEC-97

< COMPONENT DIAGNOSIS >

[COUPE]

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B260B STEERING LOCK UNIT

Description

INFOID:0000000004206071

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

DTC Logic

INFOID:0000000004206072

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Press the push-button ignition switch, when steering is locked.

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

YES

>> Refer to 

SEC-97, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004206073

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-97, "DTC Logic"

.

Is the DTC B260B displayed again?

YES

>> Replace electronic steering column lock. 

NO

>> Inspection End.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B260B

STEERING LOCK 
UNIT

BCM detects malfunctioning of electronic steering 
column lock before steering unlocking.

• Electronic steering column lock