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Infiniti M35/M45 Y50. Manual - part 299

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

BL-265

CONSULT-II

NIS0020N

CONSULT-II INSPECTION PROCEDURE

Turn ignition switch OFF.

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

Connect CONSULT-II and CONSULT-II CONVERTER to data
link connector (1).

Turn ignition switch ON.

Touch “START”.

Touch “OTHER”.

Power source (fuse)

Input

—

Battery voltage

Power source (fus-
ible link)

Input

—

Battery voltage

Power source (fus-
ible link)

Input

—

Battery voltage

Ter-

minal

No.

Wire

color

Item

Signal

Input/

Output

Condition

Voltage (V)

(Approx.)

Push-

button

ignition

switch

position

Operation or conditions

Program card

: NATS (AEN06B)

PBIB2712E

PBR455D

PIIB8627E

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IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

Select “NATS V.5.0”.
If “NATS V5.0” is not indicated, go to

GI-39, "CONSULT-II Data

Link Connector (DLC) Circuit"

Perform each diagnostic test mode according to each service
procedure.

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

CONSULT-II DIAGNOSTIC TEST MODE FUNCTION

NOTE:

●

When any initialization is performed, all ID previously registered will be erased and all NATS ignition keys
must be registered again.

●

The engine cannot be started with an unregistered key. In this case, the system will show “DIFFERENCE
OF KEY” or “LOCK MODE” as a self-diagnostic result on the CONSULT-II screen.

PIIB6275E

PIIB6276E

System

Diagnosis mode

Description

Reference

page

NATS V5.0

C/U INTIALIZATION

Perform registration again after repair, part replacement, and
additional key ID registration.

CAUTION:

“Control Unit Initialization” is activated only after per-
forming “Release steering lock”.

Refer to the
Technical Bul-
letin.

SELF-DIAG RESULTS

●

Malfunctioning system stored in the ECM is displayed.

●

Printing the contents

●

Erasing the error record

BL-268

NATS BCM or S/ENT

PIN READ

The specified numbers of each control unit for acquisition of
password for control unit initialization are displayed

Refer to the
Technical Bul-
letin.

STEERING LOCK
RELEASE

If the engine switch cannot be operated (the steering lock
cannot be released), release the steering lock forcibly and
make the engine switch operation possible.

CAUTION:

Always perform “Control Unit Initialization” and “Immo-
bilizer ID Registration” after performing “Release Steer-
ing Lock”.

Refer to the
Technical Bul-
letin.

SELF-DIAG RESULTS

●

Malfunctioning system stored in the BCM is displayed.

●

Printing the contents

●

Erasing the error record

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NATS I-KEY

SELF-DIAG RESULTS

●

Malfunctioning system stored in the Intelligent Key unit is
displayed.

●

Printing the contents

●

Erasing the error record

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IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

BL-267

●

In rare case, “CHAIN OF ECM-IMMU” might be stored as a self-diagnostic result during key registration
procedure, even if the system is not malfunctioning.

HOW TO READ SELF-DIAGNOSTIC RESULTS

PIIB6280E

BL-268

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

“NATS V5.0” SELF-DIAGNOSTIC RESULTS ITEM CHART

“NATS BCM OR S/ENT” SELF-DIAGNOSTIC RESULTS ITEM CHART

Suspect Systems

Description

Possible malfunction

Action to take/Reference page

NO DTC

—

DON'T ERASE BEFORE
CHECKING ENG DIAG

There is the engine trouble
diagnosis information in ECM
(ECM trouble diagnosis is nec-
essary separately)

Engine control system malfunc-
tion

There is the engine trouble
diagnosis information in ECM.
Check the trouble diagnostic
results of “ENGINE” before
that.

LOCK MODE
[P1610]

The immobilizer switches to the
mode that prevents the engine
from being started. If the ID ver-
ification between BCM and
ECM is NG, the ID verification
malfunction between remote
control starter and BCM may be
detected 5 times or more.

—

When “LOCK MODE” is dis-
played, check for any other dis-
played malfunction, and then
erase the self-diagnostic results
after replacement.

ID DISCORD, IMM-ECM
[P1611]

The ID verification results
between BCM and ECM are
NG. The registration is neces-
sary.

Registration of ECM is not com-
pleted

BL-277

ECM malfunction

Replace ECM.

CHAIN OF ECM-IMMU
[P1612]

Inactive communication
between ECM and BCM

Open circuit in battery power
supply line of BCM

BL-275

Open circuit in ignition power
supply line of BCM

Open circuit in ground of BCM

Short circuit in communication
line between BCM and ECM to
power supply line

Open circuit in communication
line between BCM and ECM

Short circuit in communication
line between BCM and ECM to
ground

ECM malfunction

BCM malfunction

CHAIN OF IMMU-KEY
[P1614]

BCM malfunction

BCS-15

Suspect Systems

Description

Possible malfunction

Action to take/Reference page

NO DTC

—

ID DISCORD BCM-ECM
[B2192]

The ID verification results
between BCM and ECM are
NG. The registration is neces-
sary.

Registration of ECM is not com-
pleted

Perform “Control Unit Initializa-
tion”, and then perform the ID
registration. Refer to the Tech-
nical Bulletin.

ECM malfunction

Replace ECM.

CHAIN OF BCM-ECM
[B2193]

Inactive communication
between ECM and BCM

Short circuit in communication
line between BCM and ECM to
power supply line

Malfunction have occurred in
CAN communication
Check “Self-diagnostic Results”
of “Intelligent Key” using CON-
SULT-II. Refer to

BL-150,

"SELF-DIAGNOSTIC
RESULTS"

Open circuit in communication
line between BCM and ECM

Short circuit in communication
line between BCM and ECM to
ground

ECM malfunction

Replace ECM.

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