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

KEY IS CARRIED"

 .

●

“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 

BL-150, "SELF-DIAG-

NOSTIC RESULTS"

 .

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 

BL-268, "“NATS BCM OR

S/ENT” SELF-DIAGNOSTIC RESULTS ITEM CHART"

  and 

BL-269, "“NATS I-KEY” SELF-DIAG-

NOSTIC RESULTS ITEM CHART"

 .