Infiniti F50. Manual - part 239

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

BL-203

C

D

E

F

G

H

J

K

L

M

A

B

BL

TIWM0203E

BL-204

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

TIWM0204E

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

BL-205

C

D

E

F

G

H

J

K

L

M

A

B

BL

Terminals and Reference Value for Steering Lock Control Unit

EIS003R3

Terminals and Reference Value for NATS IMMU

EIS003R4

TERMINAL 

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE

1

Y/G

Battery power supply

—

Battery voltage

2

PU/W

Key switch

Key inserted (ON) 

→

 Key removed from 

IGN key cylinder (OFF)

Battery voltage 

→

 0V

3

L

NATS IMMU

Key inserted (key switch OFF 

→

 ON)

Just after inserting electronic key to 
key cylinder: Point of tester should 
move

4

B

Ground

—

0V

TERMINAL 

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE

1

W

Battery power supply

—

battery voltage

2

PU/W

Key switch

Key inserted (ON) 

→

 Key removed from 

IGN key cylinder (OFF)

Battery voltage 

→

 0V

3

W/B

Ignition switch

Ignition switch ON or START position

Battery voltage

5

R

NATS antenna amp.

key inserted (key switch OFF 

→

 ON)

0V 

→

 Approx. 5V (for 3 seconds)

6

Y

NATS antenna amp.

Key inserted (key switch OFF 

→

 ON)

Just after inserting electronic key to 
key cylinder: Point of tester should 
move

7

Y/G

NATS antenna amp.

Key inserted (key switch OFF 

→

 ON)

Just after inserting electronic key to 
key cylinder: Point of tester should 
move

8

B/R

NATS antenna amp.

—

0V

9

B/W

Ground

—

0V

10

L

Steering lock control unit

Key inserted (key switch OFF 

→

 ON)

Just after inserting electronic key to 
key cylinder: Point of tester should 
move

11

G/W

ECM

—

—

15

G

Security indicator lamp

Goes OFF 

→

 illuminates (every 2.4 sec-

onds)

Battery voltage 

→

 0V

BL-206

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

CONSULT-II

EIS0012D

CONSULT-II INSPECTION PROCEDURE

1.

Turn ignition switch OFF.

2.

Insert IVIS (NATS) program card into CONSULT-II.

3.

Connect CONSULT-II and “CONSULT-II CONVERTER” to data
link connector.

4.

Turn ignition switch ON.

5.

Touch “START”.

6.

Perform each diagnostic test mode according to each service
procedure.

For further information, see the CONSULT-II Operation Manual,
IVIS/NVIS.

CONSULT-II DIAGNOSTIC TEST MODE FUNCTION

NOTE:
When any initialization is performed, all ID numbers previously registered will be erased and all IVIS (NATS)
electronic keys must be registered again. The engine cannot be started with an unregistered key. The system
will show “DIFFERENCE OF KEY” or “LOCK MODE” as a self-diagnostic result on the CONSULT-II screen.

Program card

: NATS (AEN02B)

PBIB0196E

PBR455D

SEL150X

CONSULT- II DIAGNOSTIC TEST MODE

Description

C/U INITIALIZATION

When replacing any of the following three components, C/U initialization is necessary. 
[IVIS (NATS) electronic key/ NATS IMMU/ ECM]

SELF- DIAGNOSTIC RESULTS

Detected items (screen terms) are as shown in the chart.