Nissan Qashqai J11. Manual — part 1456

B27D1 START CUT RELAY OFF

SEC-123

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK FUSE

Check that the following fuse is not blown

Is the fuse fusing?

YES

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO

>> GO TO 6

4.

CHECK STARTER CONTROL RELAY OUTPUT SIGNAL

1.

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

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to

PCS-68, "Removal and Installation"

.

NO

>> GO TO 5

5.

CHECK STARTER CONTROL RELAY OUTPUT SIGNAL CIRCUIT

1.

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

2.

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

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Repair or replace harness.

6.

CHECK STARTER CONTROL RELAY

1.

Check starter control relay. Refer to

SEC-124, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7

NO

>> Replace starter control relay.

7.

CHECK INTERMITTENT INCIDENT

BCM

Ground

Continuity

Connector

Terminal

E27

171

No Existed

Signal name

Fuse

Battery power supply

30A

L

(+)

(-)

Condition

Voltage

IPDM E/R

Connector

Terminal

F68

84

Ground

Other than engine
cranking

2 - 4 V

Engine cranking

6 - 16 V

IPDM E/R

Starter control relay

Continuity

Connector

Terminal

Connector

Terminal

F68

84

F11

5

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

F68

84

Not existed

SEC-124

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27D1 START CUT RELAY OFF

Refer to

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000010438855

1.

CHECK STARTER CONTROL RELAY

1.

Disconnect starter control relay.

2.

Check continuity between starter relay terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace starter control relay.

SEF497Y

starter control relay

Condition

Continuity

Terminal

12 V direct current supply between terminals

and

Existed

No current supply

Not existed

B27D2 START CUT RELAY ON

SEC-125

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B27D2 START CUT RELAY ON

DTC Logic

INFOID:0000000010438856

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(Starter control relay circuit is shorted)

• Starter control relay
• BCM

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Press push-button ignition switch under the following conditions and wait 1 second or more.

-

Selector lever: In the P position.

-

Brake pedal: Depressed.

2.

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

Is DTC detected?

YES

>> Refer to

SEC-125, "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:0000000010438857

1.

CHECK STARTER CONTROL RELAY INPUT SIGNAL

1.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> GO TO 2

2.

CHECK STARTER CONTROL RELAY INPUT SIGNAL CIRCUIT

1.

Disconnect BCM connector and starter control relay connector.

2.

Check continuity between BCM harness connector and starter control relay harness connector.

3.

Check continuity between BCM harness connector and ground.

DTC No.

CONSULT screen items

DTC detecting condition

B27D2–00

START CUT RELAY ON

When BCM starter control relay is in OFF status, and when the starter relay/starter con-
trol relay status signal is (ON/ON)

(+)

(-)

Condition

Voltage

BCM

Connector

Terminal

E27

171

Ground

Engine cranking

0 - 0.5 V

Other than engine cranking

9 - 16 V

BCM

Starter control relay

Continuity

Connector

Terminal

Connector

Terminal

E27

171

F11

2

Existed

SEC-126

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B27D2 START CUT RELAY ON

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK FUSE

Check that the following fuse is not blown

Is the fuse fusing?

YES

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO

>> GO TO 6

4.

CHECK STARTER CONTROL RELAY OUTPUT SIGNAL

1.

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

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to

PCS-68, "Removal and Installation"

.

NO

>> GO TO 5

5.

CHECK STARTER CONTROL RELAY OUTPUT SIGNAL CIRCUIT

1.

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

2.

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

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Repair or replace harness.

6.

CHECK STARTER CONTROL RELAY

1.

Check starter control relay. Refer to

SEC-124, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 7

NO

>> Replace starter control relay.

7.

REPLACE BCM

BCM

Ground

Continuity

Connector

Terminal

E27

171

No Existed

Signal name

Fuse

Battery power supply

30A

L

(+)

(-)

Condition

Voltage

IPDM E/R

Connector

Terminal

F68

84

Ground

Other than engine
cranking

2 - 4 V

Engine cranking

6 - 16 V

IPDM E/R

Starter control relay

Continuity

Connector

Terminal

Connector

Terminal

F68

84

F11

5

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

F68

84

Not existed