Nissan Teana J32. Manual - part 1020

SEC-68

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2605 PNP SWITCH

2.

Disconnect IPDM E/R connector.

3.

Check continuity between IPDM E/R harness connector and BCM harness connector.

4.

Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> Repair or replace harness.

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

E10

30

M123

140

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

E10

30

Not existed

B2606 STEERING LOCK RELAY

SEC-69

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

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I

J

L

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B

SEC

N

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B2606 STEERING LOCK RELAY

Description

INFOID:0000000003814990

The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN communication.
IPDM E/R turns the steering lock relay ON and transmits the release of the steering to BCM.

DTC Logic

INFOID:0000000003814991

DTC DETECTION LOGIC

NOTE:
• If DTC B2606 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-28, "BCM : DTC Logic"

.

• If DTC B2606 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-30, "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.

Turn ignition switch OFF.

3.

Press driver side door switch and wait for at least 1 second.

4.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-69, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003814992

1.

CHECK DTC WITH IPDM E/R

Check “Self diagnostic result” with CONSULT-III. Refer to 

SEC-191, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-35, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2606

STEERING LOCK 
RELAY

BCM detects that there is a mismatch between the 
following statuses.
• Steering lock unit ON signal transmitted by 

IPDM E/R

• The steering lock unit status feedback 

Steering lock relay (Built into IPDM E/R)

SEC-70

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2607 STEERING LOCK RELAY

B2607 STEERING LOCK RELAY

Description

INFOID:0000000003814993

BCM requests to IPDM E/R to supply power to steering lock unit. After receiving the power, the steering lock
unit transmits an ON signal to BCM.

DTC Logic

INFOID:0000000003814994

DTC DETECTION LOGIC

NOTE:
• If DTC B2607 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-28, "BCM : DTC Logic"

.

• If DTC B2607 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-30, "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.

Turn ignition switch OFF.

3.

Press driver side door switch and wait for at least 1 second.

4.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-70, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003814995

1.

CHECK DTC WITH IPDM E/R

Check “Self diagnostic result” with CONSULT-III. Refer to 

SEC-191, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect steering lock unit connector.

3.

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2607

STEERING LOCK 
RELAY

BCM detects that there is a difference between the 
following statuses.
• Steering lock unit ON signal transmitted by IPDM 

E/R

• The steering lock unit status feedback 

• Harness or connectors (Steering 

lock unit power supply circuit is 
open or shorted)

• Steering lock relay (Built into IPDM 

E/R)

(+)

(–)

Condition

Voltage (V)

(Approx.)

Steering lock unit

Connector

Terminal

M12

1

Ground

Press push-button ignition switch when 
steering lock is in lock condition.

Battery voltage

B2607 STEERING LOCK RELAY

SEC-71

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

3.

CHECK STEERING LOCK UNIT CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between steering lock unit harness connector and IPDM E/R harness connector.

4.

Check continuity between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-35, "Intermittent Incident"

.

>> INSPECTION END

Steering lock unit

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M12

1

E10

11

Existed

Steering lock unit

Ground

Continuity

Connector

Terminal

M12

1

Not existed