Nissan Teana J32. Manual - part 1013

SEC-40

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2190 NATS ANTENNA AMP.

3.

CHECK KEY SLOT CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between key slot harness connector and BCM harness connector.

3.

Check continuity between key slot harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-78, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK PUSH-BUTTON IGNITION SWITCH OPERATION

Press push-button ignition switch and check if it turns ON.

Does ignition switch turn to ON?

YES

>> GO TO 5.

NO

>> GO TO 7.

5.

CHECK KEY SLOT COMMUNICATION SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect key slot connector.

3.

Check voltage between key slot harness connector and ground.

Is the inspection result normal?

YES

>> Replace key slot. Refer to 

SEC-204, "Removal and Installation"

.

NO

>> GO TO 6.

6.

CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between key slot harness connector and BCM harness connector.

3.

Check continuity between key slot harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-78, "Removal and Installation"

.

NO

>> Repair or replace harness.

7.

CHECK KEY SLOT GROUND CIRCUIT

Key slot

BCM

Continuity

Connector

Terminal

Connector

Terminal

M99

2

M122

80

Existed

Key slot

Ground

Continuity

Connector

Terminal

M99

2

Not existed

(+)

(–)

Voltage (V)

(Approx.)

Key slot

Connector

Terminal

M99

3

Ground

Battery voltage

Key slot

BCM

Continuity

Connector

Terminal

Connector

Terminal

M99

3

M122

81

Existed

Key slot

Ground

Continuity

Connector

Terminal

M99

3

Not existed

B2190 NATS ANTENNA AMP.

SEC-41

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

1.

Turn ignition switch OFF.

2.

Disconnect key slot connector.

3.

Check continuity between key slot harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace harness.

8.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-35, "Intermittent Incident"

.

>> INSPECTION END

Key slot

Ground

Continuity

Connector

Terminal

M99

7

Existed

SEC-42

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2191 DIFFERENCE OF KEY

B2191 DIFFERENCE OF KEY

Description

INFOID:0000000003814945

Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.

DTC Logic

INFOID:0000000003814946

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Press the push-button ignition switch

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-42, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003814947

1.

PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Reregister all Intelligent Keys.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.

Can the system be initialized and can the engine be started with reregistered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE INTELLIGENT KEY

1.

Replace Intelligent Key.

2.

Perform initialization with CONSULT-III. 
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.

Can the system be initialized and can the engine be started with reregistered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 3.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-35, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2191

DIFFERENCE OF KEY

The ID verification result between BCM and Intelligent Key 
is NG. The registration is necessary.

Intelligent Key

B2192 ID DISCORD, IMMU-ECM

SEC-43

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2192 ID DISCORD, IMMU-ECM

Description

INFOID:0000000003814948

BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if
ignition switch is turned ON.

DTC Logic

INFOID:0000000003814949

DTC DETECTION LOGIC

NOTE:
• If DTC B2192 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-28, "BCM : DTC Logic"

.

• If DTC B2192 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-30, "BCM : DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

Selector lever is in the P or N position.

-

Do not depress brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-43, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003814950

1.

PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Reregister all Intelligent Keys.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.

Can the system be initialized and can the engine be started with reregistered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-78, "Removal and Installation"

.

2.

Perform initialization with CONSULT-III. 
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.

Can the system be initialized and can the engine be started with reregistered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 3.

3.

REPLACE ECM

1.

Replace ECM. Refer to 

EC-14, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Descrip-

tion"

.

2.

Perform initialization with CONSULT-III. 

Can the system be initialized and can the engine be started with reregistered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 4.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2192

ID DISCORD, IMMU-
ECM

The ID verification result between BCM and ECM is 
NG. The registration is necessary.

• BCM
• ECM