Nissan Qashqai J11. Manual - part 1487

B2191 ID DISCORD, BCM - IMM ANT

SEC-247

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

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B2191 ID DISCORD, BCM - IMM ANT

DTC Logic

INFOID:0000000010479747

DTC DETECTION LOGIC

POSSIBLE CAUSE

Keyfob

FAIL-SAFE

Security indicator lamp turn ON

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check to DTC in “Self Diagnostic Result” mode of “BCM” CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-247, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010479748

1.

IGNITION KEY REGISTRATION

Using CONSULT, register all Ignition Keys again.
Can engine be started with the registered Ignition Key?

YES

>> INSPECTION END

NO

>> GO TO 2

2.

REPLACE IGNITION KEY

1.

Prepare Ignition Key that matches the vehicle.

2.

Registration of all Ignition Key using CONSULT.

Can engine be started with the registered Ignition Key?

YES

>> INSPECTION END

NO

>> GO TO 3

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

DTC

CONSULT screen items

DTC detecting condition

B2191–00

ID DISCORD, BCM-IMMANT

When BCM continuously cannot detect inconsistency of Immobilizer ID in 
0.6 seconds or more.

SEC-248

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2192 ID DISCORD, IMMU-ECM

B2192 ID DISCORD, IMMU-ECM

DTC Logic

INFOID:0000000010479749

DTC DETECTION LOGIC

POSSIBLE CAUSE

• BCM
• ECM

FAIL-SAFE

—

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-248, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010479750

1.

PERFORM INITIALIZATION

Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK SELF DIAGNOSTIC RESULT

1.

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

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC B2192. Refer to 

SEC-248, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

2.

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

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

YES

>> INSPECTION END

NO

>> GO TO 4.

4.

REPLACE ECM

Replace ECM.
Refer to the following procedure.
• HRA2DDT: 

ECH-320, "Removal and Installation"

• K9K: 

ECK-398, "Removal and Installation"

• R9M: 

EC9-409, "Removal and Installation"

• MR16DDT: 

ECM-616, "Removal and Installation"

• MR20DD: 

ECM-1031, "Removal and Installation"

DTC No.

CONSULT screen items

DTC detecting condition

B2192

ID DISCORD BCM-ECM

The ID verification results between BCM and ECM are NG.

B2192 ID DISCORD, IMMU-ECM

SEC-249

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

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A

B

SEC

N

O

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>> INSPECTION END

SEC-250

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2193 CHAIN OF ECM-IMMU

B2193 CHAIN OF ECM-IMMU

DTC Logic

INFOID:0000000010479751

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connectors

(The CAN communication line is open or shorted.)

• BCM 
• ECM

FAIL-SAFE

Inhibit engine cranking

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC B2193 is displayed with DTC U1000 or U1010, first perform the trouble diagnosis for DTC U1000 or
U1010.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000: Refer to 

BCS-124, "DTC Description"

. U1010: Refer to

BCS-125, "DTC Description"

.

NO

>> GO TO 2

2.

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-250, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010479752

1.

CHECK DTC PRIORITY

If DTC B2193 is displayed with DTC U1000 or U1010, first perform the trouble diagnosis for DTC U1000 or
U1010.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. U1000: Refer to 

BCS-124, "DTC Description"

. U1010: Refer to

BCS-125, "DTC Description"

.

NO

>> GO TO 2

2.

REPLACE BCM

Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

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

YES

>> INSPECTION END

NO

>> GO TO 3.

3.

REPLACE ECM

Replace ECM.
Refer to the following procedure.
• HRA2DDT: 

ECH-320, "Removal and Installation"

• K9K: 

ECK-398, "Removal and Installation"

• R9M: 

EC9-409, "Removal and Installation"

DTC No.

CONSULT screen items

DTC detecting condition

B2193

CHAIN OF BCM-ECM

Inactive communication between BCM and ECM