Nissan Qashqai J11. Manual - part 1460

B27D9 S/L IGN MALFUNCTION

SEC-139

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B27D9 S/L IGN MALFUNCTION

DTC Logic

INFOID:0000000010438871

DTC DETECTION LOGIC

POSSIBLE CAUSE

• IPDM E/R
• BCM

FAIL-SAFE

Inhibit steering lock/unlock

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check DTC in “Self Diagnosis Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-139, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438872

1.

CHECK DTC OF IPDM E/R

Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT. Refer to 

PCS-37, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Perform the trouble diagnosis for the detected DTC.

2.

CHECK DTC OF BCM

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> GO TO 3

3.

REPLACE BCM

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

>> INSPECTION END

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

CONSULT screen 

items

DTC detecting condition

B27D9–00

S/L IGN MALFUNC-
TION

When the steering lock unit receives a steering lock unit lock request at ignition switch ON.

SEC-140

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27DA IPDM CAN COMM CIRCUIT

B27DA IPDM CAN COMM CIRCUIT

DTC Logic

INFOID:0000000010438873

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(The CAN communication line is open or shorted.)

• IPDM E/R
• BCM

FAIL-SAFE

Inhibit steering lock

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC B27DA-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 or U1010-00.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000-00: Refer to 

BCS-124, "DTC Description"

 U1010-00:

Refer to 

BCS-125, "DTC Description"

.

NO

>> GO TO 2

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Press push-button ignition switch under the following condition.

-

Selector lever: In the P position.

-

Brake pedal: Not depressed.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-140, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438874

1.

CHECK DTC PRIORITY

If DTC B27DA-00 is displayed with DTC U1000-00 or U1010-00, first perform the trouble diagnosis for DTC
U1000-00 orU1010-00.
Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000-00: Refer to 

BCS-124, "DTC Description"

 DTC U1010-00:

BCS-125, "DTC Description"

NO

>> GO TO 2

2.

CHECK DTC OF IPDM E/R

Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT. Refer to 

PCS-37, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> GO TO 3

3.

REPLACE IPDM E/R

Replace IPDM E/R. Refer to 

PCS-68, "Removal and Installation"

.

Is the inspection result normal?

YES

>> INSPECTION END

DTC No.

CONSULT screen items

DTC detecting condition

B27DA–00

IPDM CAN COMM CIRCUIT

When BCM cannot detect CAN communication with IPDM E/R.

B27DA IPDM CAN COMM CIRCUIT

SEC-141

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

NO

>> GO TO 4

4.

CHECK DTC OF BCM

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT. 

Is the inspection result normal?

YES

>> GO TO 6

NO

>> GO TO 5

5.

REPLACE BCM

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

>> INSPECTION END

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

SEC-142

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27DB S/L IGN OFF

B27DB S/L IGN OFF

DTC Logic

INFOID:0000000010438875

DTC DETECTION LOGIC

POSSIBLE CAUSE

Harness or connectors 
(Steering lock unit power supply circuit is open or shorted)

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check DTC in “Self Diagnosis Result” mode of “BCM” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-142, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010438876

1.

CHECK STEERING LOCK UNIT POWER SUPPLY

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> GO TO 2

2.

CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT

1.

Disconnect IPDM E/R connector and BCM connector.

2.

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

3.

Check continuity between BCM harness connector and ground

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness

DTC No.

CONSULT screen items

DTC detecting condition

B27DB–00

S/L IGN OFF

When steering lock unit detects a steering lock unit power circuit discon-
nection.

(+)

(-)

Voltage

BCM

Connector

Terminal

E27

166

Ground

9 - 16 V

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

E10

3

E27

166

Existed

BCM

Ground

Continuity

Connector

Terminal

E27

166

Not existed