Infiniti QX56 (JA60). Manual — part 231
INTELLIGENT KEY WARNING BUZZER
DLK-95
< COMPONENT 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:0000000005146963
Answers back and warns for an inappropriate operation.
Component Function Check
INFOID:0000000005146964
1.
CHECK FUNCTION
With CONSULT-III
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
.
Diagnosis Procedure
INFOID:0000000005146965
Regarding Wiring Diagram information, refer to
DLK-178, "Wiring Diagram — INTELLIGENT KEY SYSTEM —
1.
CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key warning buzzer (engine room) connector.
3. Check voltage between Intelligent Key warning buzzer (engine room) harness connector E25 terminal 1
and ground.
Is the inspection normal?
YES
>> GO TO 2
NO
>> Repair or replace Intelligent Key warning buzzer (engine
room) power supply circuit.
2.
CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit harness connector
(A) M70 terminal 4 and Intelligent Key warning buzzer (engine
room) harness connector E25 terminal 3.
3. Check continuity between Intelligent Key warning buzzer
(engine room) harness connector E25 terminal 3 and ground.
Is the inspection normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between Intelligent Key warning buzzer (engine room) and Intelligent
Key unit.
3.
CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) OPERATION
DLK-96, "Component Inspection"
.
1 - Ground
: Battery voltage
WIIA1195E
4 - 3
: Continuity should exist.
3 - Ground
: Continuity should not exist.
WIIA1196E
DLK-96
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY WARNING BUZZER
>> Inspection End.
Component Inspection
INFOID:0000000005146966
1.
CHECK INTELLIGENT KEY WARNING BUZZER
Connect battery power supply to Intelligent Key warning buzzer ter-
minals 1 and 3, and check the operation.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace Intelligent Key warning buzzer.
1 (BAT+) - 3 (BAT-)
: the buzzer sounds
WIIA1197E
OUTSIDE KEY ANTENNA
DLK-97
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
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A
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DLK
N
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OUTSIDE KEY ANTENNA
Description
INFOID:0000000005146967
Detects whether the Intelligent Key is in the operating range of the outside antennas.
Front outside antennas are integrated in front outside door handles (driver side, passenger side) to allow lock-
ing and unlocking of door locks when the Intelligent Key is present.
Rear bumper antenna is mounted on the rear bumper and is used to allow the back door and glass hatch
switch assembly opening of the back door when the Intelligent Key is present.
Component Function Check
INFOID:0000000005146968
1.
CHECK DOOR REQUEST SWITCHES
Check that door request switches operate normally.
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Inspect door request switches. Refer to
DLK-83, "Component Function Check"
.
2.
CHECK OUTSIDE KEY ANTENNAS 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
>> GO TO 3
NO
>> Refer to
.
3.
CHECK REAR ANTENNA FUNCTION
Be sure that Intelligent Key is in rear bumper antenna detection range.
Be sure that back door close switch is not in the "CANCEL" position.
Does power back door open when back door switch is operated?
YES
>> Outside key antennas are OK.
NO
>> Refer to
DLK-138, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000005146969
Regarding Wiring Diagram information, refer to
DLK-178, "Wiring Diagram — INTELLIGENT KEY SYSTEM —
1.
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL
1. Turn ignition switch OFF.
2. Check signal between Intelligent Key unit connector M70 terminals 17, 19, 37 and ground with an oscillo-
scope.
Is the inspection result normal?
Connector
Item
Terminals
Condition
Signal
(Reference value)
(+)
(-)
M70
Rear
bumper
antenna
17
Ground
Request
switch is
pushed
Front out-
side an-
tenna LH
19
Front out-
side an-
tenna RH
37
WIIA1198E
SIIA1910J
DLK-98
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
OUTSIDE KEY ANTENNA
YES
>> Outside key antenna is OK.
NO
>> GO TO 2
2.
CHECK OUTSIDE KEY ANTENNA CIRCUIT
1. Disconnect Intelligent Key unit connector and outside key antenna connector.
2. Check continuity between each outside key antenna harness connector (B) D15 (driver side) or D115
(passenger side), rear bumper antenna connector (C) C7 terminals 1, 2 and Intelligent Key unit harness
connector (A) M70 terminals 17, 18, 19, 20, 37, and 38.
3. Check continuity between each outside key antenna harness
connector terminals 1, 2 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness between outside key antenna and Intelligent Key unit.
3.
CHECK OUTSIDE KEY ANTENNA POWER SUPPLY
1. Replace outside key antenna. (New antenna or other antenna)
2. Connect Intelligent Key unit connector and outside key antenna connector.
3. Check signal between Intelligent Key unit connector terminals
17, 19, 37 and ground with an oscilloscope.
Is the inspection result normal?
YES
>> Replace outside key antenna.
NO
>> Replace Intelligent Key unit. Refer to
SEC-120, "Removal and Installation"
Item
Connector
Terminal
Connector
Terminal
Continuity
Rear
bumper an-
tenna
C: C7
1
A: M70
17
Yes
2
18
Front out-
side anten-
na LH
B: D15
1
19
2
20
Front out-
side anten-
na RH
B: D115
1
37
2
38
Item
Connector
Terminal
Continuity
Rear bumper anten-
na
C: C7
1
Ground
No
2
Front outside anten-
na LH
B: D15
1
2
Front outside anten-
na RH
B: D115
1
2
ALKIA0652ZZ
Connector
Item
Terminals
Condition
Signal
(Reference value)
(+)
(-)
M70
Rear
bumper
17
Ground
Request
switch is
pushed
LH side
19
RH side 37
WIIA1198E
SIIA1910J
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