Nissan X-Trail 32. Manual - part 1876

B2190 CHAIN OF BCM - IMM ANT

SEC-271

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT 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 6.

NO

>> GO TO 5.

5.

CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT

1.

Disconnect fuse block (J/B) connector.

2.

Check continuity between NATS antenna amp. harness connector and fuse block (J/B) harness connec-
tor.

3.

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

Is the inspection result normal?

YES

>> Replace fuse block (J/B).

NO

>> Repair or replace harness.

6.

CHECK NATS ANTENNA AMP. GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness.

7.

CHECK NATS ANTENNA COMMUNICATION SIGNAL

Check voltage between NATS antenna amp. harness connector and ground.

Is the inspection result normal?

YES

>> Replace NATS antenna amp. Refer to 

SEC-311, "Removal and Installation"

.

NO

>> GO TO 8.

8.

CHECK NATS ANTENNA COMMUNICATION SIGNAL CIRCUIT

(+)

(-)

Voltage

NATS antenna amp.

Connector

Terminal

M69

3

Ground

Battery voltage

NATS antenna amp.

Fuse block (J/B)

Continuity

Connector

Terminal

Connector

Terminal

M69

3

M2

12B

Existed

NATS antenna amp.

Ground

Continuity

Connector

Terminal

M69

3

Not existed

NATS antenna amp.

Ground

Continuity

Connector

Terminal

M69

2

Existed

(+)

(-)

Condition

Voltage

NATS antenna amp.

Connector

Terminal

M69

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-272

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2190 CHAIN OF BCM - IMM ANT

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 9.

NO

>> Repair or replace harness.

9.

REPLACE BCM

Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

>> INSPECTION END

NATS antenna amp.

BCM

Continuity

Connector

Terminal

Connector

Terminal

M69

1

M86

109

Existed

4

113

BCM

Ground

Continuity

Connector

Terminal

M69

109

Not existed

113

B2191 ID DISCORD, BCM - IMM ANT

SEC-273

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2191 ID DISCORD, BCM - IMM ANT

DTC Description

INFOID:0000000010922286

DTC DETECTION LOGIC

POSSIBLE CAUSE

Ignition key

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

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

Is DTC detected?

YES

>> Refer to 

SEC-273, "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:0000000010922287

1.

IGNITION KEY REGISTRATION

Using CONSULT, register all Ignition Keys again.
Can engine be started with the registered Ignition Key?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE IGNITION KEY

1.

Prepare Ignition Key that matches the vehicle.

2.

Registration of all Ignition Key using CONSULT.

Can engine be started with the registered Ignition Key?

YES

>> INSPECTION END

NO

>> GO TO 3.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

DTC

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B2191–00

ID DISCORD, BCM-IMMANT
(Identification discord, body 
control module - immobilizer 
antenna)

When BCM continuously cannot detect inconsistency of Immobilizer ID in 
0.6 seconds or more.

SEC-274

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2192 ID DISCORD, BCM-ECM

B2192 ID DISCORD, BCM-ECM

DTC Description

INFOID:0000000010922288

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• ECM

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

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

Is DTC detected?

YES

>> Refer to 

SEC-274, "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:0000000010922289

1.

PERFORM INITIALIZATION

Perform initialization of BCM and registration of all ignition keys using CONSULT.
Can the system be initialized and can the engine be started with registered ignition key?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK SELF DIAGNOSIS RESULT

1.

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

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC B2192-00. Refer to 

SEC-274, "DTC Description"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

REPLACE BCM

Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

Can the system be initialized and can the engine be started with registered ignition key?

YES

>> INSPECTION END

NO

>> GO TO 4.

4.

REPLACE ECM

Replace ECM. Refer to 

EC-430, "Removal and Installation"

 (MR20DD engine models), 

EC-806, "Removal and

Installation"

 (QR25DE engine models) or 

EC-1226, "Removal and Installation"

 (R9M engine models).

>> INSPECTION END

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B2192-00

ID DISCORD BCM-ECM
(Identification discord body control module - 
engine control module)

The ID verification results between BCM and ECM are NG.