Nissan X-Trail 32. Manual - part 1836

B2190 CHAIN OF BCM - IMM ANT

SEC-111

< 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

>> Replace NATS antenna amp. Refer to 

SEC-208, "Removal and Installation"

.

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 NATS antenna amp. 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-121, "Removal and Installation"

.

(+)

(-)

Condition

Voltage

NATS antenna amp.

Connector

Terminal

M26

1

Ground

Intelligent Key bat-
tery is removed and 
brake pedal is de-
pressed

Other than above

When a registered 
Intelligent Key back-
side is contacted to 
push-button ignition 
switch

0 V

3

Other than above

When a registered 
Intelligent Key back-
side is contacted to 
push-button ignition 
switch

0 V

JMMIA1651GB

JMMIA1650GB

NATS antenna amp.

BCM

Continuity

Connector

Terminal

Connector

Terminal

M26

1

M86

115

Existed

3

114

NATS antenna amp.

Ground

Continuity

Connector

Terminal

M26

1

Not existed

3

SEC-112

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2190 CHAIN OF BCM - IMM ANT

>> INSPECTION END

B2191 ID DISCORD, BCM - IMM ANT

SEC-113

< DTC/CIRCUIT DIAGNOSIS >

[WITH 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:0000000010922145

DTC DETECTION LOGIC

POSSIBLE CAUSE

Intelligent 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-113, "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:0000000010922146

1.

INTELLIGENT KEY REGISTRATION

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

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE INTELLIGENT KEY

1.

Prepare Intelligent Key that matches the vehicle.

2.

Registration of all Intelligent Key using CONSULT.

Can engine be started with the registered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 3.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

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 Intelligent Key ID 
in 0.6 seconds or more.

SEC-114

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2192 ID DISCORD, BCM-ECM

B2192 ID DISCORD, BCM-ECM

DTC Description

INFOID:0000000010922147

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• ECM

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

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

Is DTC detected?

YES

>> Refer to 

SEC-114, "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:0000000010922148

1.

PERFORM INITIALIZATION

Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK SELF DIAGNOSTIC 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-114, "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 Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 4.

4.

REPLACE ECM

Replace ECM.
Refer to the following procedure.
• MR20DD: 

EC-430, "Removal and Installation"

• QR25DE: 

EC-806, "Removal and Installation"

• R9M: 

EC-1226, "Removal and Installation"

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.