Nissan Leaf. Instruction — part 394
B2622 INSIDE ANTENNA
DLK-71
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
2.
CHECK INSIDE KEY ANTENNA CIRCUIT
1. Turn power switch OFF.
2. Disconnect BCM connector and inside key antenna (rear seat) connector.
3. Check continuity between BCM harness connector and inside key antenna (rear seat) 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 (rear seat). (New antenna or other antenna)
2. Connect BCM connector and inside key antenna (rear seat) connector.
3. Turn power switch ON.
4. Check signal between BCM harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (rear seat). Refer to
DLK-205, "REAR SEAT : Removal and Installa-
.
NO
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
BCM
Inside key antenna (rear seat)
Continuity
Connector
Terminal
Connector
Terminal
M23
86
B81
1
Yes
87
2
BCM
Ground
Continuity
Connector
Terminal
M23
86
No
87
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M23
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
DLK-72
< DTC/CIRCUIT DIAGNOSIS >
B2623 INSIDE ANTENNA
B2623 INSIDE ANTENNA
DTC Logic
INFOID:0000000010119745
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”.
3. Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) in “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:0000000010119746
Regarding Wiring Diagram information, refer to
.
1.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1
1. Turn power switch ON.
2. Check signal between BCM harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
NO
>> GO TO 2.
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2623
INSIDE ANTENNA 3
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
M23
88
89
Ground
When Intelligent Key is in the an-
tenna detection area
When Intelligent Key is not in the
antenna detection area
JMKIA3839GB
JMKIA5951GB
B2623 INSIDE ANTENNA
DLK-73
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
2.
CHECK INSIDE KEY ANTENNA CIRCUIT
1. Turn power switch OFF.
2. Disconnect BCM connector and inside key antenna (luggage room) connector.
3. Check continuity between BCM harness connector and inside key antenna (luggage room) harness con-
nector.
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 (luggage room). (New antenna or other antenna)
2. Connect BCM connector and inside key antenna (luggage room) connector.
3. Turn power switch ON.
4. Check signal between BCM harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> Replace inside key antenna (luggage room). Refer to
DLK-205, "LUGGAGE ROOM : Removal
.
NO
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
BCM
Inside key antenna (luggage room)
Continuity
Connector
Terminal
Connector
Terminal
M23
88
B82
1
Yes
89
2
BCM
Ground
Continuity
Connector
Terminal
M23
88
No
89
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M23
88
89
Ground
When Intelligent Key is in the an-
tenna detection area
When Intelligent Key is not in the
antenna detection area
JMKIA3839GB
JMKIA5951GB
DLK-74
< DTC/CIRCUIT DIAGNOSIS >
B2626 OUTSIDE ANTENNA
B2626 OUTSIDE ANTENNA
DTC Logic
INFOID:0000000010119747
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Disconnect outside key antenna (RH) connector.
2. Perform “Self Diagnostic Result” of “INTELLIGENT KEY” using CONSULT.
Is outside key antenna DTC detected?
YES
>> Refer to
.
NO
>> Outside key antenna (RH) is OK.
Diagnosis Procedure
INFOID:0000000010119748
Regarding Wiring Diagram information, refer to
.
1.
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1
1. Turn power switch OFF.
2. Check signal between BCM harness connector and ground using oscilloscope.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-72, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect BCM connector and outside key antenna (RH) connector.
DTC
CONSULT display
description
DTC detecting condition
Possible cause
B2626
OUTSIDE 1 ANTEN-
NA
An excessive high or low voltage from outside key
antenna (RH) is sent to BCM.
• Outside key antenna (RH)
• Harness or connector
[Outside key antenna (RH) circuit
is open or shorted]
(+)
(–)
Condition
Signal
(Reference value)
BCM
Connector
Terminal
M23
80
81
Ground
When the RH request
switch is operated
with power switch
OFF
When Intelligent Key
is in the antenna de-
tection area (The dis-
tance between
Intelligent Key and an-
tenna: 80 cm or less)
When Intelligent Key
is not in the antenna
detection area (The
distance between In-
telligent Key and an-
tenna: Approx. 2 m)
JMKIA5955GB
JMKIA5954GB
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