Nissan Murano Z51. Manual - part 1248

 

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Nissan Murano Z51. Manual - part 1248

 

 

P1614 CHAIN OF IMMU-KEY

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

P1614 CHAIN OF IMMU-KEY

Description

INFOID:0000000005515489

Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock (models with steering lock unit) or start of engine when an unregistered
ID of Intelligent Key is used.

DTC Logic

INFOID:0000000005515490

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1.

Insert Intelligent Key into the key slot.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-39, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1.

Press the push-button ignition switch.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-39, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005515491

1.

 INSPECTION START

Perform inspection in accordance with procedure that confirms DTC.

Which procedure confirms DTC?

DTC confirmation procedure 1>>GO TO 2.
DTC confirmation procedure 2>>GO TO 6.

2.

CHECK PUSH-BUTTON IGNITION SWITCH OPERATION

Press push-button ignition switch and check if it turns ON.

Does ignition switch turn to ON?

YES

>> GO TO 3.

NO

>> GO TO 5.

3.

CHECK KEY SLOT COMMUNICATION SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect key slot connector.

3.

Check voltage between key slot harness connector and ground.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

P1614

CHAIN OF IMMU-
KEY

Inactive communication between key slot and 
BCM.

• Harness or connectors

(The key slot circuit is open or 
shorted)

• Key slot 
• BCM

SEC-40

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

P1614 CHAIN OF IMMU-KEY

Is the inspection result normal?

YES

>> Replace key slot. Refer to 

SEC-220, "Removal and Installation"

.

NO

>> GO TO 4.

4.

CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between key slot harness connector and BCM harness connector.

3.

Check continuity between key slot harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace harness or connector.

5.

CHECK KEY SLOT GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect key slot connector.

3.

Check continuity between key slot harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace harness or connector.

6.

CHECK KEY SLOT INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect key slot connector.

3.

Check voltage between key slot harness connector and ground.

Is the inspection result normal?

YES

>> Replace key slot. Refer to 

SEC-220, "Removal and Installation"

.

NO

>> GO TO 7.

7.

CHECK KEY SLOT CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between key slot harness connector and BCM harness connector.

(+)

(–)

Voltage (V)

(Approx.)

Key slot

Connector

Terminal

M99

3

Ground

Battery voltage

Key slot

BCM

Continuity

Connector

Terminal

Connector

Terminal

M99

3

M122

81

Existed

Key slot

Ground

Continuity

Connector

Terminal

M99

3

Not existed

Key slot

Ground

Continuity

Connector

Terminal

M99

7

Existed

(+)

(–)

Voltage (V)

(Approx.)

Key slot

Connector

Terminal

M99

2

Ground

Battery voltage

P1614 CHAIN OF IMMU-KEY

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

3.

Check continuity between key slot harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace harness or connector.

8.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

Key slot

BCM

Continuity

Connector

Terminal

Connector

Terminal

M99

2

M122

80

Existed

Key slot

Ground

Continuity

Connector

Terminal

M99

2

Not existed

SEC-42

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

P1615 DIFFRENCE OF KEY

P1615 DIFFRENCE OF KEY

Description

INFOID:0000000005515492

Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock (models with steering lock unit) or start of engine when an unregistered
ID of Intelligent Key is used.

DTC Logic

INFOID:0000000005515493

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Press the push-button ignition switch.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-42, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005515494

1.

PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Re-register all Intelligent Keys.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE INTELLIGENT KEY

1.

Replace Intelligent Key.

2.

Perform initialization with CONSULT-III. 
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.

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

YES

>> INSPECTION END

NO

>> GO TO 3.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1615

DIFFERENCE OF KEY

The ID verification result between BCM and Intelligent Key 
is NG. The registration is necessary.

Intelligent Key 

 

 

 

 

 

 

 

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