Nissan Juke F15. Manual — part 217

DLK-48

< BASIC INSPECTION >

[WITH INTELLIGENT KEY SYSTEM]

DIAGNOSIS AND REPAIR WORK FLOW

Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?

YES

>> GO TO 8.

NO

>> Check according to

GI-45, "Intermittent Incident"

.

8.

REPAIR OR REPLACE THE MALFUNCTIONING PART

1. Repair or replace the malfunctioning part.

2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-

ment.

3. Check DTC. If DTC is detected, erase it.

>> GO TO 9.

9.

FINAL CHECK

When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the

malfunction is repaired securely.

When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the

symptom is not detected.
Is DTC detected and does symptom remain?

YES-1 >> DTC is detected: GO TO 7.

YES-2 >> Symptom remains: GO TO 4.

NO

>> Before returning the vehicle to the customer, always erase DTC.

B2621 INSIDE ANTENNA

DLK-49

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DTC/CIRCUIT DIAGNOSIS

B2621 INSIDE ANTENNA

DTC Logic

INFOID:0000000012196602

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Select “INTELLIGENT KEY” of “BCM” using CONSULT.

2. Select “INSIDE ANT DIAGNOSIS” in “WORK SUPPORT” mode.

3. Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “WORK SUPPORT” of “INTELLIGENT

KEY”.

4. Check BCM for DTC.
Is inside key antenna DTC detected?

YES

>> Refer to

DLK-49, "Diagnosis Procedure"

.

NO

>> Inside key antenna (instrument center) is OK.

Diagnosis Procedure

INFOID:0000000012196603

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1. Turn ignition switch ON.

2. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-94, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

DTC

CONSULT display

description

DTC detecting condition

Possible cause

B2621

INSIDE ANTENNA

An excessive high or low voltage from inside anten-
na (instrument center) is sent to BCM

• Inside key antenna (instrument

center)

• Harness or connector

[Inside key antenna (instrument
center) circuit is open or shorted]

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M70

84
85

Ground

When Intelligent Key is in the
antenna detection area

When Intelligent Key is not in
the antenna detection area

JMKIA3839GB

JMKIA5951GB

DLK-50

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2621 INSIDE ANTENNA

1. Turn ignition switch OFF.

2. Disconnect BCM connector and inside key antenna (instrument center) connector.

3. Check continuity between BCM harness connector and inside key antenna (instrument center) harness

connector.

4. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2

1. Replace inside key antenna (instrument center). (New antenna or other antenna)

2. Connect BCM connector and inside key antenna (instrument center) connector.

3. Turn ignition switch ON.

4. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna (instrument center).

NO

>> Replace BCM. Refer to

BCS-94, "Removal and Installation"

.

BCM

Inside key antenna (instrument center)

Continuity

Connector

Terminal

Connector

Terminal

M70

84

M105

1

Existed

85

2

BCM

Ground

Continuity

Connector

Terminal

M70

84

Not existed

85

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M70

84
85

Ground

When Intelligent Key is in the
antenna detection area

When Intelligent Key is not in
the antenna detection area

JMKIA3839GB

JMKIA5951GB

B2622 INSIDE ANTENNA

DLK-51

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2622 INSIDE ANTENNA

DTC Logic

INFOID:0000000012196606

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Select “INTELLIGENT KEY” of “BCM” using CONSULT.

2. Select “INSIDE ANT DIAGNOSIS” in “WORK SUPPORT” mode.

3. Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “WORK SUPPORT” of “INTELLIGENT

KEY”.

4. Check BCM for DTC.
Is inside key antenna DTC detected?

YES

>> Refer to

DLK-51, "Diagnosis Procedure"

.

NO

>> Inside key antenna (luggage room) is OK.

Diagnosis Procedure

INFOID:0000000012196607

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1. Turn ignition switch ON.

2. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-94, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector and inside key antenna (luggage room) connector.

DTC

CONSULT display

description

DTC detecting condition

Possible cause

B2622

INSIDE ANTENNA

An excessive high or low voltage from inside anten-
na (luggage room) is sent to BCM

• Inside key antenna (luggage room)
• Harness or connector

[Inside key antenna (luggage
room) circuit is open or shorted]

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M70

86
87

Ground

When Intelligent Key is in the an-
tenna detection area

When Intelligent Key is not in the
antenna detection area

JMKIA3839GB

JMKIA5951GB