Nissan Qashqai J11. Manual - part 1466

B121D STEERING LOCK POWER SUPPLY CIRCUIT

SEC-163

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-68, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK STEERING LOCK UNIT INPUT SIGNAL

1.

Connect BCM connector.

2.

Disconnect steering lock unit connector.

3.

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace steering lock unit.

NO

>> GO TO 4

4.

CHECK STEERING LOCK UNIT INPUT SIGNAL CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and steering lock unit harness connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

NO

>> Repair or replace harness.

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

E10

3

E27

166

Existed

BCM

Ground

Continuity

Connector

Terminal

E27

166

Not existed

Steering lock unit

(-)

Condition

Voltage

Connector

Terminal

M46

2

Ground

Steering lock unit

Active

9 - 16 V

Not active

0 - 0.5 V

Steering lock unit

BCM

Continuity

Connector

Terminal

Connector

Terminal

M46

2

M87

41

Existed

BCM

Ground

Continuity

Connector

Terminal

M87

41

Not existed

SEC-164

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B20DF STARTER RELAY OFF CIRCUIT

B20DF STARTER RELAY OFF CIRCUIT

DTC Logic

INFOID:0000000010438903

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-164, "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:0000000010438904

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.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> GO TO 3

2.

REPLACE STARTER MOTOR

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

DTC No.

CONSULT screen items

DTC detecting condition

B20DF

STARTER RELAY 
OFF CIRCUIT

[Ground circuit is short/
disconnection]

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

(+)

(-)

Condition

Voltage

Starter motor

Connector

Terminal

F10

1

Ground

When the ignition 

switch is in START po-

sition

12 V or more

B20DF STARTER RELAY OFF CIRCUIT

SEC-165

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

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.

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

F10

1

F68

81

Existed

Starter motor

Ground

Continuity

Connector

Terminal

F10

1

Not existed

SEC-166

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

SIREN CONTROL UNIT

SIREN CONTROL UNIT : Diagnosis Procedure

INFOID:0000000010462812

1.

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 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect siren control unit connector.

3.

Check voltage between siren control unit harness connector and the ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

Check continuity between siren control unit harness connectors and the ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

STEERING LOCK UNIT

STEERING LOCK UNIT : Diagnosis Procedure

INFOID:0000000010501206

1.

CHECK FUSE

Check that the following fuse is not blown.

Is the fuse blown?

YES

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

NO

>> GO TO 2.

2.

CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT1

1.

Turn ignition switch OFF.

2.

Disconnect steering lock unit connectors.

3.

Check voltage between harness steering lock unit connector and ground.

Signal name

Fuse

Battery power supply

20 (5 A)

(+)

(

−

)

Voltage

(Approx.)

Siren control unit

Connector

Terminal

Ground

B27

2

Battery voltage

Siren control unit

Ground

Continuity

Connector

Terminal

B27

5

Existed

Signal name

Fuse No.

Ignition ON signal

65 (5 A)