Nissan Pathfinder. Manual - part 1058

B2195 ANTI-SCANNING

SEC-95

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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B2195 ANTI-SCANNING

DTC Logic

INFOID:0000000009176005

DTC DETECTION LOGIC

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-95, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009176006

1.

CHECK SELF-DIAGNOSTIC RESULT 1

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

2. Erase DTC.

3. Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to 

SEC-95, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 2.

NO

>> Inspection End.

2.

CHECK EQUIPMENT OF THE VEHICLE

Check that unspecified accessory part related to engine start is not installed.
Is unspecified accessory part related to engine start installed?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

CHECK SELF DIAGNOSTIC RESULT 2

1. Obtain the customers approval to remove unspecified accessory part related to engine start, and then

remove it.

2. Select “Self-Diagnostic Result” of “BCM” using CONSULT.

3. Erase DTC.

4. Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to 

SEC-95, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> Inspection End.

4.

REPLACE BCM

1. Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-

SULT Immobilizer mode and follow the on-screen instructions.

>> Inspection End.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2195

ANTI-SCANNING

ID verification between BCM and ECM that is 
out of the designated specification is detected.

ID verification request out of the des-
ignated specification

SEC-96

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2196 DONGLE UNIT

B2196 DONGLE UNIT

Description

INFOID:0000000009176007

BCM performs ID verification between BCM and dongle unit.

When verification result is OK, BCM permits cranking.

DTC Logic

INFOID:0000000009176008

DTC DETECTION LOGIC

NOTE:

• If DTC B2196 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-68, "DTC Logic"

.

• If DTC B2196 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-69, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Turn ignition switch OFF.

3. Turn ignition switch ON.

4. Check “Self-diagnosis result” using CONSULT.
Is the DTC detected?

YES

>> Refer to 

SEC-96, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009176009

Regarding Wiring Diagram information, refer to 

SEC-43, "Wiring Diagram"

.

1.

PERFORM INITIALIZATION

1. Perform initialization of BCM and reregistration of all Intelligent Keys using CONSULT. Refer to the CON-

SULT Immobilizer mode and follow the on-screen instructions.

2. Start the engine.
Dose the engine start?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

CHECK DONGLE UNIT CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector and dongle unit connector.

3. Check continuity between BCM harness connector and dongle unit harness connector.

4. Check continuity between BCM harness connector and ground.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2196

DONGLE NG

The ID verification results between BCM 
and dongle unit is NG.

• Harness or connectors

(Dongle unit circuit is open or shorted.)

• Dongle unit

BCM

Dongle unit

Continuity

Connector

Terminal

Connector

Terminal

M19

52

M29

1

Yes

B2196 DONGLE UNIT

SEC-97

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK DONGLE UNIT GROUND CIRCUIT

Check continuity between dongle unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace dongle unit.

NO

>> Repair or replace harness.

BCM

Ground

Continuity

Connector

Terminal

M19

52

No

Dongle unit

Ground

Continuity

Connector

Terminal

M29

4

Yes

SEC-98

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2198 NATS ANTENNA AMP.

B2198 NATS ANTENNA AMP.

DTC Logic

INFOID:0000000009176010

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1. Contact Intelligent Key back side to push-button ignition switch.

2. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?

YES

>> GO TO 

SEC-98, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1. Press the push-button ignition switch.

2. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?

YES

>> GO TO  

SEC-98, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009176011

Regarding Wiring Diagram information, refer to 

SEC-43, "Wiring Diagram"

.

1.

CONNECTOR INSPECTION

1. Disconnect BCM and NATS antenna amp.

2. Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace as necessary.

2.

CHECK NATS ANTENNA AMP. CIRCUIT

1. Disconnect BCM connector and NATS antenna amp. connector.

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

3. Check continuity between BCM harness connector and ground.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2198

NATS ANTENNA 
AMP

Inactive communication between NATS antenna 
amp.  and BCM.

• Harness or connectors

(The NATS antenna amp. circuit is 
open or shorted)

• NATS antenna amp. 
• BCM

BCM

NATS antenna amp.

Continuity 

Connector

Terminal

Connector

Terminal

M80

126

M21

3

Yes

127

1