Infiniti M35/M45 Y50. Manual — part 278
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
BL-181
C
D
E
F
G
H
J
K
L
M
A
B
BL
Check Inside Key Antenna
NIS001Z5
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
BL-182
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
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
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
BL-183
C
D
E
F
G
H
J
K
L
M
A
B
BL
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.
Check Remote Keyless Entry Receiver
NIS001Z6
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect remote keyless entry receiver connector.
3.
Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> GO
TO
2.
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
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
Intelli-
gent Key
unit con-
nector
Ter-
minal
M32
4
Ground
Carry the Intelli-
gent Key within
the inside key
antenna detec-
tion area, and
then push the
push-button
ignition switch.
0
Other than the
above.
PIIB6264E
PIIB5657J
BL-184
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
2.
CHECK HARNESS CONITNUITY
1.
Disconnect Intelligent Key unit connector.
2.
Check continuity between Intelligent Key unit connector and remote keyless entry receiver connector.
3.
Check continuity between Intelligent Key unit connector and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness between Intelligent Key unit and remote keyless entry receiver.
3.
CHECK REMOTE KEYLESS ENTRY RECEIVER
1.
Replace remote keyless entry receiver.
2.
Connect Intelligent Key unit and remote keyless entry receiver connector. Check function the Intelligent
Key is carried into the inside key antenna detection area and the ignition switch is turned to START.
OK or NG
OK
>> Remote keyless entry receiver is malfunction.
NG
>> Remote keyless entry receiver is OK. If its malfunction is the same malfunction that occurred
before performing the Remote Keyless Entry Receiver Circuit Inspection, it is not a malfunction in
the remote keyless entry receiver circuit.
Check Key Switch Built In Key Slot
NIS001Z7
1.
CHECK FUNCTION
When the driver door is opened while inserting the Intelligent Key into the key slot, make sure that key
reminder warning functions properly.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
A
B
Continuity
Intelligent Key
unit connector
Terminal
Remote keyless
entry receiver
connector
Terminal
M32
4
M89
3
Yes
A
Ground
Continuity
Intelligent Key unit connector
Terminal
M32
4
No
PIIB6265E
Key inserted
: Sound
Key removed
: No sound
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