Nissan Sentra. Manual - part 760

SEC-68

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2195 ANTI-SCANNING

B2195 ANTI-SCANNING

DTC Logic

INFOID:0000000009756710

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-68, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009756711

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-68, "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-68, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> Inspection End.

4.

REPLACE BCM

1. Replace BCM. Refer to 

BCS-73, "Removal and Installation"

.

2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

>> 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 specified specification is detected.

ID verification request out of the 
specified specification

B2196 DONGLE UNIT

SEC-69

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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B2196 DONGLE UNIT

Description

INFOID:0000000009756712

BCM performs ID verification between BCM and dongle unit.

When verification result is OK, BCM permits cranking.

DTC Logic

INFOID:0000000009756713

DTC DETECTION 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 DTC in Self-diagnosis result mode of BCM using CONSULT.
Is the DTC detected?

YES

>> Refer to 

SEC-69, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009756714

Regarding Wiring Diagram information, refer to 

SEC-39, "Wiring Diagram"

.

1.

PERFORM INITIALIZATION

1. Perform initialization of BCM and registration of all mechanical keys using CONSULT.

For initialization and registration procedures, refer to CONSULT Immobilizer mode and follow the on-

screen instructions.

2. Start the engine.
Does 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.

Is the inspection result normal?

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2196

DONGLE NG

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

• Harness or connectors

(Dongle unit circuit is open or shorted.)

• Dongle unit

BCM

Dongle unit

Continuity

Connector

Terminal

Connector

Terminal

M84

24

M39

1

Yes

BCM

Ground

Continuity

Connector

Terminal

M84

24

No

SEC-70

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2196 DONGLE UNIT

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.

Dongle unit

Ground

Continuity

Connector

Terminal

M39

4

Yes

B2198 NATS ANTENNA AMP.

SEC-71

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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B2198 NATS ANTENNA AMP.

DTC Logic

INFOID:0000000009756715

DTC DETECTION LOGIC

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-8, "BODY CONTROL SYSTEM : System Description"

.

2. Turn ignition switch ON.

3. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?

YES

>> Go to 

SEC-71, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009756716

Regarding Wiring Diagram information, refer to 

SEC-39, "Wiring Diagram"

.

1.

CHECK FUSE

1. Turn power switch OFF.

2. Check that the following fuse in IPDM E/R is not blown.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the cause of blowing.

2.

CHECK NATS ANTENNA AMP. POWER SUPPLY

1. Disconnect NATS antenna amp. connector.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT

1. Disconnect IPDM E/R connector.

2. Check continuity between IPDM E/R harness connector and NATS antenna amp. connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2198

NATS ANTENNA AMP

Inactive communication between NATS 
antenna amp. and BCM is detected when 
BCM enters in the low power consumption 
mode (BCM sleep condition)

• Harness or connectors

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

• NATS antenna amp.
• BCM

Signal name

Fuse No.

Battery power supply

33 (20 A)

(+)

(–)

Voltage (V)

(Approx.)

NATS antenna amp.

Connector

Terminal

M42

1

Ground

Battery voltage