Nissan Qashqai J11. Manual - part 1492

B27DA IPDM CAN COMM CIRCUIT

SEC-267

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

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SEC

N

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B27DA IPDM CAN COMM CIRCUIT

DTC Logic

INFOID:0000000010479773

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 is displayed with DTC U1000 or U1010, first perform the trouble diagnosis for DTC U1000 or
U1010.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000: Refer to 

BCS-124, "DTC Description"

 U1010: 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-267, "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:0000000010479774

1.

CHECK DTC PRIORITY

If DTC B27DA is displayed with DTC U1000 or U1010, first perform the trouble diagnosis for DTC U1000
orU1010.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000: Refer to 

BCS-124, "DTC Description"

 DTC U1010: 

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?

DTC

CONSULT screen items

DTC detecting condition

B27DA–00

IPDM CAN COMM CIRCUIT

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

SEC-268

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B27DA IPDM CAN COMM CIRCUIT

YES

>> INSPECTION END

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

B20DF STARTER RELAY OFF CIRCUIT

SEC-269

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

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SEC

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B20DF STARTER RELAY OFF CIRCUIT

DTC Logic

INFOID:0000000010479776

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(Starter relay circuit is open or shorted)

• IPDM E/R
• Starter motor

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Press push-button ignition switch under the following conditions, and wait 2 seconds or more.

-

Selector lever: In the P position

-

Brake pedal: Depressed

2.

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

Is DTC detected?

YES

>> Refer to 

SEC-269, "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:0000000010479777

1.

CHECK “S” TERMINAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect starter motor connector.

3.

Shift selector lever to “P“or ”N” position.

4.

Check voltage between starter motor harness connector and ground.

Other than MR engine models

MR engine models

Is the inspection result normal?

YES

>> GO TO 2

NO

>> GO TO 3

2.

REPLACE STARTER MOTOR

DTC

CONSULT screen items

DTC detecting condition

B20DF

STARTER RELAY 
OFF CIRCUIT

[Ground short circuit/
disconnection]

When IPDM E/R performs starter relay ON output but starter 
relay is OFF.

(+)

(-)

Condition

Voltage

Starter motor

Connector

Terminal

F104

1

Ground

When the ignition 

switch is in START po-

sition

12 V or more

(+)

(-)

Condition

Voltage

Starter motor

Connector

Terminal

F106

1

Ground

When the ignition 

switch is in START po-

sition

12 V or more

SEC-270

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B20DF STARTER RELAY OFF CIRCUIT

Replace starter motor. Refer to the following procedure.
• HRA2DDT: 

STR-25, "HRA2DDT : Removal and Installation"

.

• MR20DE: 

STR-28, "MR20DD : Removal and Installation"

.

• K9K: 

STR-33, "K9K : Removal and Installation"

.

• R9M: 

STR-34, "R9M : Removal and Installation"

.

>> INSPECTION END

3.

CHECK STARTER MOTER INPUT SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check continuity between starter motor harness connector and IPDM E/R harness connector.

Other than MR engine models

MR engine models

4.

Check continuity between starter motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

REPLACE IPDM E/R

Replace IPDM E/R. Refer to 

PCS-68, "Removal and Installation"

.

>> INSPECTION END

Starter motor

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

F104

1

F88

65

Existed

Starter motor

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

F106

1

F88

65

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

F88

65

Not existed