Nissan March K13. Manual - part 575

P1611 ID DISCORD, IMMU-ECM

SEC-39

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

P1611 ID DISCORD, IMMU-ECM

DTC Logic

INFOID:0000000006038510

DTC DETECTION LOGIC

NOTE:
• If DTC P1611 is displayed with DTC U1000 (for BCM), first perform the trouble diagnosis for DTC U1000.

Refer to 

BCS-47, "DTC Logic"

.

• If DTC P1611 is displayed with DTC U1010 (for BCM), first perform the trouble diagnosis for DTC U1010.

Refer to 

BCS-48, "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-III.

Is DTC detected?

YES

>> Go to 

SEC-39, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006038511

1.

PERFORM INITIALIZATION

Perform initialization of BCM and reregistration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

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

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK SELF DIAGNOSTIC RESULT

1.

Select “Self Diagnostic Result” mode of “ENGINE” using CONSULT-III.

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC P1611. Refer to 

SEC-39, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 3.

NO

>> INSPECTION END

3.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-57, "Removal and Installation"

.

2.

Perform initialization of BCM using CONSULT-III. 
For initialization procedure, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

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

YES

>> INSPECTION END

NO

>> GO TO 4.

4.

REPLACE ECM

1.

Replace ECM. Refer to 

EC-524, "Removal and Installation"

 [HR12DE (TYPE 2)].

2.

Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”. Refer to 

SEC-36, "ECM : Work Procedure"

[HR12DE (TYPE 2)].

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

YES

>> 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 NG.

• Harness or connectors

(The CAN communication line is open 
or shorted.)

• BCM
• ECM

SEC-40

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

P1611 ID DISCORD, IMMU-ECM

NO

>> GO TO 5.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-33, "Intermittent Incident"

.

>> INSPECTION END

P1612 CHAIN OF ECM-IMMU

SEC-41

< 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:0000000006038512

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-47, "DTC Logic"

.

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

Refer to 

BCS-48, "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-III.

Is DTC detected?

YES

>> Go to 

SEC-41, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006038513

1.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-57, "Removal and Installation"

.

2.

Perform initialization of BCM using CONSULT-III.
For initialization procedure, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

Does the engine start?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE ECM

1.

Replace ECM. Refer to 

EC-524, "Removal and Installation"

 [HR12DE (TYPE 2)].

2.

Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”. Refer to 

SEC-36, "ECM : Work Procedure"

[HR12DE (TYPE 2)].

>> 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-42

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

P1614 CHAIN OF IMMU-KEY

P1614 CHAIN OF IMMU-KEY

DTC Logic

INFOID:0000000006038514

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1.

Contact Intelligent Key backside to push-button ignition switch.

2.

Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-42, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1.

Press the push-button ignition switch.

2.

Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-42, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006038515

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check that the following fuse in IPDM E/R is not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse after repairing the cause of blowing.

NO

>> GO TO 2.

2.

CHECK NATS ANTENNA AMP. POWER SUPPLY

1.

Disconnect NATS antenna amp. connector.

2.

Check voltage between NATS antenna amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT

1.

Disconnect IPDM E/R connector.

2.

Check continuity between IPDM E/R harness connector and NATS antenna amp. connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1614

CHAIN OF IMMU-KEY

Inactive communication between NATS 
antenna amp. and BCM

• Harness or connectors

(NATS antenna amp. circuit is open or 
shorted.)

• NATS antenna amp.
• BCM

Signal name

Fuse No.

Battery power supply

49

(+)

(–)

Voltage (V)

(Approx.)

NATS antenna amp.

Connector

Terminal

M26

1

Ground

Battery voltage