Infiniti M35/M45 Y50. Manual — part 259
INTELLIGENT KEY SYSTEM
BL-105
C
D
E
F
G
H
J
K
L
M
A
B
BL
Check Intelligent Key Warning Buzzer
NIS001XT
1.
CHECK INTELLIGENT KEY WARNING BUZZER
Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK
>> Intelligent Key warning buzzer is OK.
NG
>> GO TO 2.
2.
CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key warning buzzer connector.
3.
Check voltage between Intelligent Key warning buzzer connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace Intelligent Key warning buzzer power
supply circuit.
3.
CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
1.
Disconnect Intelligent Key unit connector.
2.
Check continuity between Intelligent Key unit connector and Intelligent Key warning buzzer 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 Intelligent Key warning buzzer.
Terminals
Warning
buzzer opera-
tion condition
Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key
unit connector
Terminal
M33
55
Ground
Yes
0
No
Battery voltage
PIIB6341E
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key
warning buzzer
connector
Terminal
E37
3
Ground
Battery voltage
PIIB6342E
A
B
Continuity
Intelligent Key
unit connector
Terminal
Intelligent Key
warning buzzer
connector
Terminal
M33
55
E37
1
Yes
A
Ground
Continuity
Intelligent Key unit
connector
Terminal
M33
55
No
PIIB6343E
BL-106
INTELLIGENT KEY SYSTEM
4.
CHECK INTELLIGENT KEY WARNING BUZZER OPERATION
Connect battery power supply to Intelligent Key warning buzzer terminals 1 and 3, and check the operation.
OK or NG
OK
>> Intelligent Key warning buzzer is OK.
NG
>> Replace Intelligent Key warning buzzer.
Check Outside Key Antenna (Driver Side and Passenger Side)
NIS001XU
1.
CHECK OUTSIDE KEY ANTENNA FUNCTION
With CONSULT-II
1.
Check the operation with (“ANTENNA”) in the ACTIVE TEST.
2.
Touch “DRIVER ANT” and “ASSIST ANT” on screen.
3.
Carry the Intelligent Key into the antenna detection area.
Does the hazard lamps flash?
Yes
>> Outside key antenna (driver side or passenger side) is OK.
No
>> GO TO 2.
2.
CHECK OUTSIDE 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.
1 (BAT-) - 3 (BAT+)
: the buzzer sounds
PIIB6344E
Test item
Corresponding antenna
DRIVER ANT
Outside key antenna driver side
ASSIST ANT
Outside key antenna passenger side
PIIB6345E
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
Intelligent Key
unit connector
Termi-
nal
M32
Driver
side
24
Ground
Door
request
switch is
pushed
Passen-
ger side
11
PIIB8923E
SIIA1910J
INTELLIGENT KEY SYSTEM
BL-107
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 front outside handle connector.
2.
Check continuity between Intelligent Key unit connector and front outside handle 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 front outside handle.
4.
CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2
1.
Replace outside key antenna. (New antenna or other antenna)
2.
Connect Intelligent Key unit and front outside handle 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
Front outside
handle connector
Terminal
M32
24
D15
1
Yes
25
2
11
D45
1
12
2
A
Ground
Continuity
Intelligent Key unit
connector
Terminal
M32
24
No
25
11
12
PIIB8924E
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
Intelligent Key
unit connector
Termi-
nal
M32
Driver
side
24
Ground
Door
request
switch is
pushed
Passen-
ger side
11
PIIB8923E
SIIA1910J
BL-108
INTELLIGENT KEY SYSTEM
Check Outside Key Antenna (Trunk Room)
NIS001XV
1.
CHECK OUTSIDE KEY ANTENNA FUNCTION
With CONSULT-II
1.
Check the operation with (“ANTENNA”) in the ACTIVE TEST.
2.
Touch “BD/TR ANT” on screen.
3.
Carry the Intelligent Key into the antenna detection area.
Do the hazard lamps flash?
Yes
>> Outside key antenna (trunk room) is OK.
No
>> GO TO 2.
2.
CHECK OUTSIDE 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
BD/TR ANT
Outside key antenna trunk room
PIIB6345E
Terminals
Condition
Signal
(Reference value.)
(+)
(–)
Intelligent
Key unit
connector
Terminal
M32
17
Ground
Trunk
request
switch is
pushed
PIIB8925E
SIIA1910J
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