Infiniti M35/M45 Y50. Manual — part 260
INTELLIGENT KEY SYSTEM
BL-109
C
D
E
F
G
H
J
K
L
M
A
B
BL
3.
CHECK OUTSIDE KEY ANTENNA CIRCUIT
1.
Disconnect Intelligent Key unit and outside key antenna (trunk room) connector.
2.
Check continuity between Intelligent Key unit connector and outside key antenna (trunk room) connector.
3.
Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between Intelligent Key unit and outside key antenna (trunk room).
4.
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace outside key antenna. (New antenna or other antenna)
2.
Connect Intelligent Key unit and outside key antenna (trunk room) connector.
3.
Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK
>> Replace malfunction front outside handle.
NG
>> Replace Intelligent Key unit.
A
B
Continuity
Intelligent Key
unit connector
Terminal
Outside key
antenna (trunk
room) connector
Terminal
M32
17
B121
1
Yes
18
2
A
Ground
Continuity
Intelligent Key unit
connector
Terminal
M32
17
No
18
PIIB8926E
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
Intelligent
Key unit
connector
Terminal
M32
17
Ground
Trunk
request
switch is
pushed
PIIB8925E
SIIA1910J
BL-110
INTELLIGENT KEY SYSTEM
Check Inside Key Antenna
NIS001XW
1.
CHECK INSIDE KEY ANTENNA FUNCTION
With CONSULT-II
1.
Check the operation with (“ANTENNA”) in the ACTIVE TEST.
2.
Touch “ROOM ANT1” “ROOM ANT2” “ROOM ANT3” “LUG ANT” on screen.
3.
Carry the Intelligent Key into the antenna detection area.
Do the hazard lamps flash?
Yes
>> Inside key antenna is OK.
No
>> GO TO 2.
2.
CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK
>> Check the condition of harness and connector.
NG
>> GO TO 3.
Test item
Corresponding antenna
ROOM ANT1
Inside key antenna instrument center
ROOM ANT2
Inside key antenna console
ROOM ANT3
Inside key antenna rear seat
LUG ANT1
Inside key antenna trunk room
PIIB6345E
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
Intelligent Key
unit connector
Ter-
minal
M33
Instru-
ment
center
47
Ground
Any door
is open
→
close
Console
49
Rear seat
51
Trunk
room
53
PIIB6350E
SIIA1910J
INTELLIGENT KEY SYSTEM
BL-111
C
D
E
F
G
H
J
K
L
M
A
B
BL
3.
CHECK INSIDE KEY ANTENNA CIRCUIT
1.
Disconnect Intelligent Key unit and inside key antenna connector.
2.
Check continuity between Intelligent Key unit connector and inside key antenna connector.
3.
Check continuity between Intelligent Key unit connector and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness between Intelligent Key unit and inside key antenna.
A
B
Continuity
Intelligent Key
unit connector
Terminal
Inside key antenna
connector
Terminal
M33
47
M83
Instrument
center
1
Yes
48
2
49
M142
Console
1
50
2
51
B45
Rear seat
1
52
2
53
B473
Trunk room
1
54
2
A
Ground
Continuity
Intelligent Key unit
connector
Terminal
M33
Instrument center
47
No
48
Console
49
50
Rear seat
51
52
Trunk room
53
54
PIIB6351E
BL-112
INTELLIGENT KEY SYSTEM
4.
CHECK INDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace inside key antenna. (New antenna or other antenna)
2.
Connect Intelligent Key unit and inside key antenna connector.
3.
Check signal between Intelligent Key unit connector and ground with oscilloscope.
OK or NG
OK
>> Replace malfunction inside key antenna.
NG
>> Replace Intelligent Key unit.
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
Intelligent Key
unit connector
Ter-
minal
M33
Instru-
ment
center
47
Ground
Any door
is open
→
close
Console
49
Rear seat
51
Trunk
room
53
PIIB6350E
SIIA1910J
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