Nissan Murano. Instruction — part 378
OUTSIDE KEY ANTENNA
DLK-123
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
OUTSIDE KEY ANTENNA
Description
INFOID:0000000009719030
Detects whether Intelligent Key is outside the vehicle.
Integrated in front outside handle (driver side, passenger side) and installed in rear bumper.
Component Function Check
INFOID:0000000009719031
1.
CHECK DOOR REQUEST SWITCH
Check door request switch. Refer to
DLK-117, "Component Function Check"
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refer to
DLK-117, "Diagnosis Procedure"
2.
CHECK FUNCTION
Be sure that Intelligent Key is in each outside key antenna detection range.
Does door lock/unlock when each request switch is pressed?
YES
>> Outside key antenna is OK.
NO
>> Refer to
DLK-123, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000009719032
1.
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
NO
>> GO TO 2.
2.
CHECK OUTSIDE KEY ANTENNA CIRCUIT
1.
Disconnect BCM connector and malfunctioning front outside handle connector or outside key antenna
(rear bumper) connector.
2.
Check continuity between BCM harness connector and outside key antenna harness connector.
(+)
(–)
Condition
Signal
(Reference value.)
BCM
Connector
Terminal
M122
Driver side
76, 77
Ground
Request switch
is pushed
When Intelligent Key
is in the antenna de-
tection area.
Passenger
side
74, 75
M121
Rear
bumper
38, 39
When Intelligent Key
is not in the antenna
detection area.
JMKIA0062GB
JMKIA0063GB
DLK-124
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
OUTSIDE KEY ANTENNA
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace malfunctioning outside key antenna. (New antenna or other antenna)
2.
Connect BCM connector and outside key antenna (New antenna or other antenna) connector.
3.
Check signal between BCM harness connector and ground with oscilloscope.
Is the inspection result normal?
YES-1 >> Replace malfunctioning front outside handle (LH or RH). Refer to
YES-2 >> Replace outside key antenna (Rear bumper). Refer to
DLK-361, "REAR BUMPER : Removal and
NO
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
BCM
Outside key antenna
Continuity
Connector
Terminal
Connector
Terminal
M122
77
D12 (driver side)
1
Existed
76
2
75
D52 (passenger side)
1
74
2
M121
39
B85 (rear bumper)
1
38
2
BCM
Ground
Continuity
Connector
Terminal
M122
74
Not existed
75
76
77
M121
38
39
(+)
(–)
Condition
Signal
(Reference value.)
BCM
Connector
Terminal
M122
Driver side
77
Ground
Door request
switch is
pushed
When Intelligent Key
is in the antenna de-
tection area.
Passenger
side
75
M121
Rear bumper
39
When Intelligent Key
is not in the antenna
detection area.
JMKIA0062GB
JMKIA0063GB
INTELLIGENT KEY WARNING BUZZER
DLK-125
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
INTELLIGENT KEY WARNING BUZZER
Description
INFOID:0000000009719033
Answers back and warns for an inappropriate operation.
Component Function Check
INFOID:0000000009719034
1.
CHECK FUNCTION
Check Intelligent Key warning buzzer (“OUTSIDE BUZZER”) in Active Test mode.
Is the inspection result normal?
YES
>> Intelligent Key warning buzzer (engine room) is OK.
NO
>> Refer to
DLK-125, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000009719035
1.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check 10 A fuse, [No.6, located in fuse block (J/B)].
Is fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 2.
2.
CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
1.
Disconnect Intelligent Key warning buzzer connector.
2.
Check voltage between Intelligent Key warning buzzer harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace Intelligent Key warning buzzer power supply circuit.
3.
CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector and Intelligent Key warning buzzer harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness between BCM and Intelligent Key warning buzzer.
4.
CHECK INTELLIGENT KEY WARNING BUZZER
DLK-126, "Component Inspection"
Is the inspection result normal?
(+)
(–)
Voltage (V)
(Approx.)
Intelligent Key warning buzzer
Connector
Terminal
E25
1
Ground
Battery voltage
BCM
Intelligent Key warning buzzer
Continuity
Connector
Terminal
Connector
Terminal
M121
64
E25
3
Existed
BCM
Ground
Continuity
Connector
Terminal
M121
64
Not existed
DLK-126
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY WARNING BUZZER
YES
>> Replace BCM. Refer to
BCS-98, "Removal and Installation"
NO
>> Replace Intelligent Key warning buzzer. Refer to
DLK-363, "Removal and Installation"
.
Component Inspection
INFOID:0000000009719036
1.
CHECK INTELLIGENT KEY WARNING BUZZER
Connect battery power supply to Intelligent Key warning buzzer terminals 1 and 3, and check the operation.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace Intelligent Key warning buzzer. Refer to
DLK-363, "Removal and Installation"
.
1 (BAT+) - 3 (BAT-)
: the buzzer sounds
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