Nissan Cube. Manual - part 806

P1611 ID DISCORD, IMMU-ECM

SEC-35

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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P1611 ID DISCORD, IMMU-ECM

Description

INFOID:0000000009950105

BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is success-
fully verified. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication
with ECM if ignition switch is turned ON.

DTC Logic

INFOID:0000000009950106

DTC DETECTION LOGIC

NOTE:
• If DTC P1611 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-40, "DTC Logic"

.

• If DTC P1611 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-41, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-35, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009950107

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-DIAGNOSIS RESULT

1.

Perform “Self-diagnosis result” of ECM using CONSULT.

2.

Erase DTC.

3.

Perform DTC confirmation Procedure. Refer to 

EC-454, "DTC Inspection Priority Chart"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-88, "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

1.

Replace ECM. Refer to 

SEC-9, "ECM : Special Repair Requirement"

.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

P1611

ID DISCORD, IMMU-
ECM

The ID verification results between BCM and ECM 
are NG.

• BCM
• ECM

SEC-36

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

P1611 ID DISCORD, IMMU-ECM

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 5.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

P1612 CHAIN OF ECM-IMMU

SEC-37

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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L

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SEC

N

O

P

P1612 CHAIN OF ECM-IMMU

Description

INFOID:0000000009950108

BCM performs ID verification with ECM that allows the engine to start. Start the engine if the ID is successfully
verified. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with
ECM if ignition switch is turned ON.

DTC Logic

INFOID:0000000009950109

DTC DETECTION LOGIC

NOTE:
• If DTC P1612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-40, "DTC Logic"

.

• If DTC P1612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-41, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-37, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009950110

1.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-88, "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

Replace ECM. Refer to 

SEC-9, "ECM : Special Repair Requirement"

.

>> INSPECTION END

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

P1612

CHAIN OF ECM-IMMU

Inactive communication between ECM and BCM

• Harness or connectors

(The CAN communication line is open or 
shorted)

• BCM 
• ECM

SEC-38

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2192 ID DISCORD, IMMU-ECM

B2192 ID DISCORD, IMMU-ECM

Description

INFOID:0000000009950111

BCM performs ID verification with ECM that allows the engine to start. Start the engine if the ID is successfully
verified. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with
ECM if ignition switch is turned ON.

DTC Logic

INFOID:0000000009950112

DTC DETECTION LOGIC

NOTE:
• If DTC B2192 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-40, "DTC Logic"

.

• If DTC B2192 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-41, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-38, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009950113

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-DIAGNOSIS RESULT

1.

Perform “Self-diagnosis result” of BCM using CONSULT.

2.

Erase DTC.

3.

Perform DTC Confirmation Procedure. Refer to 

SEC-38, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-88, "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

1.

Replace ECM. Refer to 

SEC-9, "ECM : Special Repair Requirement"

.

2.

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

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2192

ID DISCORD, BCM-ECM

The ID verification results between BCM and ECM 
are NG.

• BCM
• ECM