Infiniti M35/M45 Y50. Manual — part 269
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
BL-145
C
D
E
F
G
H
J
K
L
M
A
B
BL
Terminals and Reference Value for Steering Lock Unit
NIS001YF
Terminals and Reference Value for BCM
NIS001YG
Termi-
nal
No.
Wire
color
Item
Signal
Input/
Output
Condition
Voltage (V)
(Approx.)
Push-
button
ignition
switch
position
Operation or conditions
1
GR
PDU signal
Input
LOCK
Press push-button ignition
switch with Intelligent Key
inside vehicle
0
→
Battery voltage
→
0
(Battery voltage is detected when
pressing the push-button ignition
switch)
3
O
Condition signal-1
Output
LOCK
Steering lock: Lock
0
ACC
Steering lock: Unlock
Battery voltage
ON
Battery voltage
4
P/B
Intelligent Key unit
signal
Input/
Output
LOCK
Steering lock: Lock
Battery voltage
ACC
Steering lock: Unlock
0
ON
0
5
B
Ground
—
—
—
0
6
B
Ground
—
—
—
0
7
LG
Power source
Input
LOCK
—
Battery voltage
8
L/Y
Condition signal-2
Output
LOCK
Steering lock: Lock
Battery voltage
ACC
Steering lock: Unlock
0
ON
0
Termi-
nal
No.
Wire
color
Item
Signal
Input/
Output
Condition
Voltage (V)
(Approx.)
Push-but-
ton igni-
tion
switch
position
Operation or conditions
23
W/V
Security indicator
Output
LOCK
Intelligent Key is removed from key
slot and power supply position is in
LOCK position
Battery voltage
→
0
(Every 2.4 seconds)
37
LG
Key slot
(Key switch signal)
Input
LOCK
Intelligent Key is removed from key
slot
0
Intelligent Key is inserted into key slot
Battery voltage
38
W
Ignition power supply
(ON or START)
Input
ON
Power supply position is in ON posi-
tion
Battery voltage
39
L
CAN-H
Input/
Output
—
—
—
40
P
CAN-L
Input/
Output
—
—
—
42
P
Power source (fuse)
Input
—
—
Battery voltage
52
B
Ground
—
—
—
0
55
W
Power source (Fusil-
lade link)
Input
—
—
Battery voltage
BL-146
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Terminals and Reference Value for IPDM E/R
NIS001YH
Ter-
minal
No.
Wire
Color
Item
Signal
Input/
Output
Condition
Voltage (V)
(Approx.)
Push-
button
ignition
switch
position
Operation or conditions
4
W/R
Starter motor power supply
Input
LOCK
—
0
START
Starter motor is activating
Battery voltage
49
L
CAN H
Input/
Output
—
—
—
50
P
CAN L
Input/
Output
—
—
—
53
GR/R
Shift position signal
Input
ON
A/T selector lever is in N or P
position
Battery voltage
LOCK
A/T selector lever is in any
position other than P and N
position
0
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
BL-147
C
D
E
F
G
H
J
K
L
M
A
B
BL
Terminals and Reference Value for PDU
NIS001YI
Ter-
minal
No.
Wire
color
Item
Signal
Input/
Output
Condition
Voltage (V)
(Approx.)
Push-
button
ignition
switch
position
Operation or conditions
1
P
Wake up signal
Input
LOCK
Sleep condition (30 seconds or more
after all doors are closed under the
condition that the power supply posi-
tion is in the LOCK position)
Battery voltage
—
Wake-up condition (Open driver door)
0
2
G
Starter control signal
Input
ON
At starter motor cranking
0
—
Any condition other than above
Battery voltage
3
GR
Steering lock unit
power source
Output
LOCK
Push-button ignition switch is pressed
under the condition that Intelligent
Key is in the vehicle or Intelligent Key
is inserted
0
→
Battery voltage
→
0
—
Any condition other than above
0
6
V
Steering lock control
signal-1
Input
—
Push-button ignition switch is pressed
under the condition that Intelligent
Key is in the vehicle or Intelligent Key
is inserted
Battery voltage
LOCK
Power supply position is in LOCK
position
(Steering lock activated)
Battery voltage
→
0
→
Bat-
tery voltage
(Battery voltage is detected
when activating the steer-
ing lock)
7
LG
Steering lock control
signal-2
Input
—
Push-button ignition switch is pressed
under the condition that Intelligent
Key is in the vehicle or Intelligent Key
is inserted
Battery voltage
LOCK
Power supply position is in LOCK
position
(Steering lock activated)
Battery voltage
→
0
→
Bat-
tery voltage
(Battery voltage is detected
when activating the steer-
ing lock)
9
O
Steering lock feed
back signal
Output
—
Steering lock: Lock
0
LOCK
Steering lock: Unlock
8
10
B
Ground
—
—
—
0
11
Y
IPDM E/R current
signal
Output
START
At starter motor cranking
5
LOCK
Any condition other than above
2
12
R
Feed back signal
Output
LOCK
Sleep condition (30 seconds or more
after all doors are closed under the
condition that the power supply posi-
tion is in the LOCK position)
1
—
Wake-up condition (any condition
other than above)
0
13
R
Starter relay
Output
START
At starter motor cranking
Battery voltage
—
Any condition other than above
4
14
SB
Power source (fuse)
Input
—
—
Battery voltage
15
L
Power source (fus-
ible link)
Input
—
—
Battery voltage
17
G
Power source (fus-
ible link)
Input
—
—
Battery voltage
BL-148
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
Work Flow
NIS001YJ
1.
LISTEN TO CUSTOMER COMPLAINT OR REQUEST
Get symptoms or listen to customer complaints or request.
NOTE:
In case of request for Intelligent Key or IVIS (NATS) system repair, the key ID re-registration might be neces-
sary. Keep all the Intelligent Keys before work for the re-registration.
Key ID registration request>>Resister Intelligent Key by referring to Technical Bulletin.
Request for malfunction repair.>>GO TO 2.
2.
CHECK DOOR LOCK AND REMOTE KEYLESS ENTRY FUNCTION
Check that Door Lock and remote control function of Intelligent Key operate normally.
Door Lock or remote keyless entry function is malfunctioning.>>Malfunction of Door Lock and remote control
function, Refer to
BL-43, "INTELLIGENT KEY SYSTEM"
.
Door Lock and remote keyless entry function are normal.>>GO TO 3.
3.
CONFIRMATION BEFORE DIAGNOSIS
Before performing diagnostic procedure, grasp the operating systems with referring to the items below.
●
“System operation with carrying Intelligent Key”. Refer to
BL-127, "OPERATION WHEN INTELLIGENT
●
“System operation by using Key slot”. Refer to
BL-128, "OPERATION WHEN KEY SLOT IS USED"
>> GO TO 4.
4.
CONFIRM SELF DIAGNOSIS 1
Start CONSULT-II with Push-button ignition switch in lock position and confirm SELF DIAG RESULT “Intelli-
gent Key”. Refer to
BL-150, "CONSULT-II Inspection Procedure"
No malfunction>>GO TO 5.
Malfunction exist>>Repair the items displayed in “SELF DIAG RESULTS”. Refer to
.
5.
CONFIRM SELF DIAGNOSIS 2
Start CONSULT-II with Push-button ignition switch in lock position and confirm SELF DIAG RESULTS “NATS
BCM or S/ENT” and “NATS I-KEY”. Refer to
BL-265, "CONSULT-II INSPECTION PROCEDURE"
NOTE:
NATS program card is necessary to display “SELF DIAG RESULTS”.
No malfunction>>GO TO 6.
Malfunction exist>>Repair the items displayed in “SELF DIAG RESULTS”. Refer to
S/ENT” SELF-DIAGNOSTIC RESULTS ITEM CHART"
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