Nissan Juke F15. Instruction — 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
.
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
.
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
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