Infiniti M35/M45 Y50. Manual — part 255
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INTELLIGENT KEY SYSTEM
BL-89
C
D
E
F
G
H
J
K
L
M
A
B
BL
Take away warning
does not operate.
Door open to close
1.
Check door switch.
2.
Check inside key antenna.
3.
Check Intelligent Key warning buzzer.
4.
Check warning chime function.
5.
Check key slot illumination.
6.
Check combination meter display.
7.
Replace Intelligent Key unit.
Push-button ignition
switch operation
1.
Check ignition switch position.
2.
Check inside key antenna.
3.
Check warning chime function.
4.
Check key slot illumination.
5.
Check combination meter display.
6.
Replace Intelligent Key unit.
Door is open
1.
Check ignition switch position.
2.
Check inside key antenna.
3.
Check combination meter display.
4.
Replace Intelligent Key unit.
Take away through
window
1.
Check “TAKE OUT FROM WINDOW WARN” setting in
“WORK SUPPORT”.
2.
Check inside key antenna.
3.
Check warning chime function.
4.
Check key slot illumination.
5.
Check combination meter display.
6.
Replace Intelligent Key unit.
Key warning chime does not operate.
1.
Check key slot.
2.
Check door switch.
3.
Check warning chime function.
4.
Check key slot illumination.
5.
Check combination meter display.
6.
Replace Intelligent Key unit.
Door lock operation warning chime does
not operate.
1.
Check door switch.
2.
Check key slot illumination.
3.
Check Intelligent Key warning buzzer.
4.
Check inside key antenna.
5.
Replace Intelligent Key unit.
Symptom
Diagnosis/service procedure
Reference page
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BL-90
INTELLIGENT KEY SYSTEM
Check CAN Communication System
NIS001XL
1.
CHECK SELF-DIAGNOSTIC RESULTS
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which performs CAN communication.
With CONSULT-II
●
Connect CONSULT-II, and turn ignition switch ON.
●
Touch “INTELLIGENT KEY” on “SELECT SYSTEM” screen.
●
Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
●
Check display content in self-diagnostic results.
OK or NG
NO DTC IS DETECTED>> INSPECTION END
CAN COMM CIRCUIT [U1000]>> After printing “SELF-DIAGNOSIS RESULTS”, go to “CAN SYSTEM”,
Refer to
LAN-3, "Precautions When Using CONSULT-II"
.
CONTROL UNIT (CAN) [U1010]>> Replace Intelligent Key unit.
CONSULT-II display item
DTC code
NO DTC IS DETECTED
—
CAN COMM CIRCUIT
U1000
CONTROL UNIT (CAN)
U1010
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INTELLIGENT KEY SYSTEM
BL-91
C
D
E
F
G
H
J
K
L
M
A
B
BL
Check Power Supply and Ground Circuit
NIS001XM
1.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect Intelligent Key unit connector.
3.
Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace Intelligent Key power supply circuit.
2.
CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit harness connector and ground.
OK or NG
OK
>> Power supply and ground circuits are OK.
NG
>> Repair or replace the Intelligent Key unit ground circuit.
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key unit
connector
Terminal
M32
1
Ground
Battery voltage
M33
41
57
PIIB6251E
Intelligent Key unit connector
Terminal
Ground
Continuity
M32
20
Yes
40
M33
56
72
PIIB6318E
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BL-92
INTELLIGENT KEY SYSTEM
Check Key Slot
NIS001XN
1.
CHECK KEY SLOT INPUT SIGNAL
Check voltage between Intelligent Key unit harness connector and ground.
OK or NG
OK
>> Key slot is OK.
NG
>> GO TO 2.
2.
CHECK KEY SLOT POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check voltage between slot connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace key slot power supply circuit.
3.
CHECK KEY SLOT
Check key slot.
OK or NG
OK
>> GO TO 4.
NG
>> Replace key slot.
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(–)
Intelligent Key
unit connector
Terminal
M32
19
Ground
Intelligent Key inserted
Battery voltage
Intelligent Key removed
0
PIIB6319E
Terminals
Voltage (V)
(Approx.)
(+)
(–)
Key slot connector
Terminal
M14
1
Ground
Battery voltage
PIIB6320E
Terminal
Condition
Continuity
Key slot
1
3
Intelligent Key inserted
Yes
Intelligent Key removed
No
PIIB6321E
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