Nissan Versa Sedan. Manual - part 696

SEC-56

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2193 CHAIN OF ECM-IMMU

B2193 CHAIN OF ECM-IMMU

DTC Logic

INFOID:0000000009268393

DTC DETECTION LOGIC

NOTE:

• If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-59, "DTC Logic"

.

• If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-60, "DTC 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

>> Go to 

SEC-56, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009268394

1.

REPLACE BCM

1. Replace BCM. Refer to 

BCS-69, "Removal and Installation"

.

2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Does the engine start?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

REPLACE ECM

1. Replace ECM.

Refer to 

EC-463, "Removal and Installation"

.

2. Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”.

Refer to 

EC-122, "Work Procedure"

.

>> Inspection End.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2193

CHAIN OF BCM-ECM

Inactive communication between BCM 
and ECM

• Harness or connectors

(The CAN communication line is open or 
shorted.)

• BCM 
• ECM

B2195 ANTI-SCANNING

SEC-57

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

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G

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SEC

N

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B2195 ANTI-SCANNING

DTC Logic

INFOID:0000000009268395

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-57, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009268396

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-57, "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-57, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> Inspection End.

4.

REPLACE BCM

1. Replace BCM. Refer to 

BCS-69, "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

SEC-58

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2196 DONGLE UNIT

B2196 DONGLE UNIT

Description

INFOID:0000000009268397

BCM performs ID verification between BCM and dongle unit.

When verification result is OK, BCM permits cranking.

DTC Logic

INFOID:0000000009268398

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-58, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009268399

Regarding Wiring Diagram information, refer to 

SEC-120, "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.
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.

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

M97

24

M6

1

Yes

BCM

Ground

Continuity

Connector

Terminal

M97

24

No

B2196 DONGLE UNIT

SEC-59

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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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

M6

4

Yes