Nissan Leaf. Manual - part 1077

 

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Nissan Leaf. Manual - part 1077

 

 

SEC-70

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2192 ID DISCORD, IMMU-ECM

B2192 ID DISCORD, IMMU-ECM

DTC Logic

INFOID:0000000010119253

DTC DETECTION LOGIC

*: “ECM” is indicated on CONSULT display, however this means VCM on this vehicle.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn power switch ON.

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

YES

>> Go to 

SEC-70, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010119254

1.

PERFORM INITIALIZATION

1. 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.

2. Check that the vehicle can be set to READY using registered Intelligent Key.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

CHECK SELF-DIAGNOSIS RESULT

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

2. Erase DTC.

3. Perform DTC CONFIRMATION PROCEDURE for DTC B2192. Refer to 

SEC-70, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> Inspection End.

3.

REPLACE BCM

1. Replace BCM. Refer to 

BCS-72, "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.

3. Check that the vehicle can be set to READY using registered Intelligent Key.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> GO TO 4.

4.

REPLACE VCM

Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

>> Inspection End.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2192

ID DISCORD BCM-ECM

*

The ID verification results between 
BCM and VCM are NG.

• BCM
• VCM

B2193 CHAIN OF ECM-IMMU

SEC-71

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

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SEC

N

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B2193 CHAIN OF ECM-IMMU

DTC Logic

INFOID:0000000010119255

DTC DETECTION LOGIC

NOTE:

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

BCS-61, "DTC Logic"

.

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

BCS-62, "DTC Logic"

.

*: “ECM” is indicated on CONSULT display, however this means VCM on this vehicle.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn power switch ON.

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

YES

>> Go to 

SEC-71, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010119256

1.

REPLACE BCM

1. Replace BCM. Refer to 

BCS-72, "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.

3. Check that the vehicle can be set to READY using registered Intelligent Key.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

REPLACE VCM

Replace VCM. Refer to 

EVC-423, "Removal and Installation"

.

>> Inspection End.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2193

CHAIN OF BCM-ECM

*

Inactive communication between BCM 
and VCM

• Harness or connectors

(The CAN communication line is open or 
shorted.)

• BCM 
• VCM

SEC-72

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2195 ANTI-SCANNING

B2195 ANTI-SCANNING

DTC Logic

INFOID:0000000010119257

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn power switch ON.

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

YES

>> Refer to 

SEC-72, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010119258

1.

CHECK SELF DIAGNOSTIC RESULT 1

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

2. Erase DTC.

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

SEC-72, "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 set vehicle to READY is not installed.
Is unspecified accessory part 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 set vehicle to READY, 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-72, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> Inspection End.

4.

REPLACE BCM

1. Replace BCM. Refer to 

BCS-72, "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 VCM that is 
out of the specified specification is detected.

ID verification request out of the 
specified specification

B2196 DONGLE UNIT

SEC-73

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

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B2196 DONGLE UNIT

Description

INFOID:0000000010119259

BCM performs ID verification between BCM and dongle unit.

When verification result is OK, BCM permits cranking.

DTC Logic

INFOID:0000000010119260

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 Diagnostic Result” of “BCM” using CONSULT.
Is the DTC detected?

YES

>> Refer to 

SEC-73, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010119261

Regarding Wiring Diagram information, refer to 

SEC-42, "Wiring Diagram"

.

1.

PERFORM INITIALIZATION

1. 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.

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?

YES

>> GO TO 3.

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

M24

24

M91

1

Yes

BCM

Ground

Continuity

Connector

Terminal

M24

24

No

 

 

 

 

 

 

 

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