Nissan Sentra. Manual - part 759

SEC-64

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

P1611 ID DISCORD, IMMU-ECM

P1611 ID DISCORD, IMMU-ECM

DTC Logic

INFOID:0000000009756702

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 ENGINE using CONSULT.
Is DTC detected?

YES

>> Go to 

SEC-64, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009756703

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 ENGINE using CONSULT.

2. Erase DTC.

3. Perform DTC CONFIRMATION PROCEDURE for DTC P1611. Refer to 

SEC-64, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> Inspection End

3.

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.
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 

EC-485, "Removal and Installation"

.

2. Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”.

Refer to 

EC-135, "Work Procedure"

.

>> Inspection End.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1611

ID DISCORD, IMMU-ECM

The ID verification results between BCM 
and ECM are invalid.

• BCM
• ECM

P1612 CHAIN OF ECM-IMMU

SEC-65

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

P1612 CHAIN OF ECM-IMMU

DTC Logic

INFOID:0000000009756704

DTC DETECTION LOGIC

NOTE:

• If DTC P1612 is displayed with DTC U1000 (for BCM), first perform the trouble diagnosis for DTC U1000.

Refer to 

BCS-63, "DTC Logic"

.

• If DTC P1612 is displayed with DTC U1010 (for BCM), first perform the trouble diagnosis for DTC U1010.

Refer to 

BCS-64, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Check DTC in Self Diagnostic Result mode of ENGINE using CONSULT.
Is DTC detected?

YES

>> Go to 

SEC-65, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009756705

1.

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.
Does the engine start?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

REPLACE ECM

1. Replace ECM.

Refer to 

EC-485, "Removal and Installation"

.

2. Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”.

Refer to 

EC-135, "Work Procedure"

.

>> 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-66

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2192 ID DISCORD, IMMU-ECM

B2192 ID DISCORD, IMMU-ECM

DTC Logic

INFOID:0000000009756706

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

>> Go to 

SEC-66, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009756707

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

2. Erase DTC.

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

SEC-66, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> Inspection End

3.

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.
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 

EC-485, "Removal and Installation"

.

2. Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”.

Refer to 

EC-135, "Work Procedure"

.

>> Inspection End.

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

B2193 CHAIN OF ECM-IMMU

SEC-67

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2193 CHAIN OF ECM-IMMU

DTC Logic

INFOID:0000000009756708

DTC DETECTION LOGIC

NOTE:

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

BCS-63, "DTC Logic"

.

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

BCS-64, "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-67, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009756709

1.

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.
Does the engine start?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

REPLACE ECM

1. Replace ECM.

Refer to 

EC-485, "Removal and Installation"

.

2. Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”.

Refer to 

EC-135, "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