Infiniti Q45. Manual — part 234

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

NIS000XM

Terminals and Reference Value for NATS IMMU

NIS000XN

TERMI-

NAL

WIRE

COLOR

ITEM

Signal

input/

output

CONDITION

VOLTAGE (V)

(Approx.)

1

Y/G

Power source
(Fuse)

Input

—

Battery voltage

2

PU/W

Key switch

Input

Key inserted (ON)

→

Key removed from

IGN key cylinder (OFF)

Battery voltage

→

0

3

L

NATS IMMU

Input

Key inserted (key switch OFF

→

ON)

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

4

B

Ground

—

—

0

TERMI-

NAL

WIRE

COLOR

ITEM

Signal

input/

output

CONDITION

VOLTAGE (V)

(Approx.)

1

W

Power source
(Fuse)

Input

—

Battery voltage

2

PU/W

Key switch

Input

Key inserted (ON)

→

Key removed from

IGN key cylinder (OFF)

Battery voltage

→

0

3

W/B

Ignition switch (ON)

Input

Ignition switch (ON or START position)

Battery voltage

5

R

NATS antenna
amp.

Output

key inserted (key switch OFF

→

ON)

0

→

Approx. 5 (for 3 seconds)

6

Y

NATS antenna
amp.

Input/

output

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.

Input

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.

—

—

0

9

B

Ground

—

—

0

10

L

Steering lock con-
trol unit

Input

Key inserted (key switch OFF

→

ON)

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

11

G/W

ECM

Output

—

—

15

G

Security indicator
lamp

Output

Goes OFF

→

illuminates (every 2.4 sec-

onds)

Battery voltage

→

0

BL-206

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

CONSULT-II

NIS000XO

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.

Touch “OTHER”.

7.

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

Program card

: NATS (AEN04A–1)

PBIB0196E

PBR455D

PIIA6816E

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.

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

BL-207

C

D

E

F

G

H

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K

L

M

A

B

BL

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.

HOW TO READ SELF-DIAGNOSTIC RESULTS

NATS SELF-DIAGNOSTIC RESULT ITEM CHART

PIIA1124E

Detected items (Screen terms)

P No.Code

(Self-diagnostic

result of

“ENGINE”)

Description

Diagnostic procedure

ECM INT CIRC-IMMU

P1613

The malfunction of ECM internal circuit
to NATS IMMU communication line is
detected.

Refer to

BL-210, "Diagnostic

Procedure 1"

.

CHAIN OF ECM-IMMU

P1612

Communication impossible between
ECM and NATS IMMU.

Refer to

BL-211, "Diagnostic

Procedure 2"

.

DIFFERENCE OF KEY

P1615

NATS IMMU can receive the key ID sig-
nal but the result of ID verification
between key ID and NATS IMMU is NG.

Refer to

BL-213, "Diagnostic

Procedure 3"

.

CHAIN OF IMMU-KEY

P1614

NATS IMMU cannot receive the key ID
signal.

Refer to

BL-215, "Diagnostic

Procedure 6"

.

ID DISCORD, IMM-ECM

P1611

The result of ID verification between
NATS IMMU and ECM is NG. System ini-
tialization is required.

Refer to

BL-213, "Diagnostic

Procedure 4"

.

LOCK MODE

P1610

When the starting operation is carried
out 5 or more times consecutively under
the following conditions, IVIS(NATS) will
shift the mode to prevent the engine
start.

●

unregistered electronic key is used

●

NATS IMMU or ECM malfunctioning

Refer to

BL-214, "Diagnostic

Procedure 5"

.

DON'T ERASE BEFORE
CHECKING ENG DIAG

—

Engine trouble data and IVIS (NATS)
trouble data have been detected in ECM.

Refer to

BL-208, "Work Flow"

.

BL-208

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

Work Flow

NIS000XP

PIIA0379E