Nissan Qashqai J11. Manual - part 1486

P161F IMMOBILIZER

SEC-243

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

P161F IMMOBILIZER

DTC Logic

INFOID:0000000010479741

DTC DETECTION LOGIC

POSSIBLE CAUSE

ECM

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

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

Is DTC detected?

YES

>> Refer to 

SEC-243, "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:0000000010479742

1.

REPLACE ECM

Replace ECM.
Refer to the following procedure.
• HRA2DDT: 

ECH-320, "Removal and Installation"

.

• K9K: 

ECK-398, "Removal and Installation"

.

• R9M: 

EC9-409, "Removal and Installation"

.

• MR16DDT: 

ECM-616, "Removal and Installation"

.

• MR20DD: 

ECM-1031, "Removal and Installation"

.

>> INSPECTION END

DTC

CONSULT screen items

DTC detecting condition

P161F

IMMOBILIZER

When BCM detects an immobilizer malfunction and engine start is prohib-
ited.

SEC-244

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

P1616 ECM

P1616 ECM

DTC Logic

INFOID:0000000010479743

DTC DETECTION LOGIC

POSSIBLE CAUSE

ECM

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON and wait 2 seconds or more.

2.

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

Is DTC detected?

YES

>> Refer to 

SEC-244, "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:0000000010479744

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Select “Self Diagnostic Result” mode of “ENGINE” using CONSULT.

3.

Touch “ERASE”.

4.

Perform DTC CONFIRMATION PROCEDURE for DTC P1616. Refer to 

SEC-244, "DTC Logic"

.

Is DTC P1616 displayed again?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

REPLACE ECM

Replace ECM.
Refer to the following procedure.
• HRA2DDT: 

ECH-320, "Removal and Installation"

.

• K9K: 

ECK-398, "Removal and Installation"

.

• R9M: 

EC9-409, "Removal and Installation"

.

• MR16DDT: 

ECM-616, "Removal and Installation"

.

• MR20DD: 

ECM-1031, "Removal and Installation"

.

>> INSPECTION END

DTC No.

CONSULT screen items

DTC detecting condition

P1616

NATS MALFUNCTION

ECM ROM is malfunctioning

B2190 CHAIN OF BCM - IMM ANT

SEC-245

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2190 CHAIN OF BCM - IMM ANT

DTC Logic

INFOID:0000000010479745

DTC DETECTION LOGIC

POSSIBLE CAUSE

Keyfob

FAIL-SAFE

Security indicator lamp turn ON

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Make the conditions that BCM enters in the low power consumption mode (BCM sleep condition).
Refer to 

BCS-17, "POWER CONSUMPTION CONTROL SYSTEM : System Description"

.

2.

Turn ignition switch ON.

3.

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

Is DTC detected?

YES

>> Refer to 

SEC-245, "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:0000000010479746

1.

IGNITION KEY REGISTRATION

Using CONSULT, register all Ignition Keys again.

>> GO TO 2

2.

PERFORM SELF-DIAGNOSIS RESULT

1.

Select “Self Diagnosis Result” mode of “BCM” using CONSULT.

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for B2190. Refer to 

SEC-245, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 3

NO

>> INSPECTION END

3.

CHECK NATS ANTENNA COMMUNICATION SIGNAL

Check voltage signal between NATS antenna amp. harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES

>> Replace NATS antenna amp. Refer to 

SEC-187, "Removal and Installation"

.

DTC

CONSULT screen items

DTC detecting condition

B2190–00

CHAIN OF BCM-IMM ANT

When BCM cannot detect the immobilizer ID in 0.6 seconds.

(+)

(-)

Condition

Voltage

NATS antenna amp.

Connector

Terminal

M45

1

Ground

Just after inserting igni-
tion key into key cylinder

Pointer of tester should move

Other than above

0 V

4

Just after inserting igni-
tion key into key cylinder

Pointer of tester should move

Other than above

0 V

SEC-246

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2190 CHAIN OF BCM - IMM ANT

NO

>> GO TO 4

4.

CHECK NATS ANTENNA COMMUNICATION SIGNAL CIRCUIT

1.

Disconnect BCM connector and NATS antenna connector.

2.

Check continuity between NATS antenna amp. harness connector and BCM harness connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness.

5.

REPLACE BCM

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

>> INSPECTION END

NATS antenna amp.

BCM

Continuity

Connector

Terminal

Connector

Terminal

M45

1

M69

113

Existed

4

109

BCM

Ground

Continuity

Connector

Terminal

M69

113

Not existed

109