Infiniti Q45. Manual - part 236

 

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Infiniti Q45. Manual - part 236

 

 

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

BL-213

C

D

E

F

G

H

J

K

L

M

A

B

BL

Diagnostic Procedure 3

NIS000XV

Self-diagnostic results:
“DIFFERENCE OF KEY” displayed on CONSULT-II screen

1. 

CONFIRM SELF-DIAGNOSTIC RESULTS

Confirm SELF-DIAGNOSTIC RESULTS “DIFFERENCE OF KEY”
displayed on CONSULT-II screen.

Is CONSULT-II screen displayed as above?

Yes

>> GO TO 2.

No

>> GO TO 

BL-209, "Symptom Chart 1"

 .

2. 

PERFORM INITIALIZATION WITH CONSULT-II

Perform initialization with CONSULT-II. Re-register all NATS ignition key IDs.
For initialization and registration of NATS ignition key IDs, refer to “CONSULT-II Operation Manual NATS-IVIS/
NVIS”.

NOTE:
If the initialization is not completed or malfunctions, CONSULT-II
shows message on the screen.

Can the system be initialized and can the engine be started with re-
registered NATS ignition key?

Yes

>> Ignition key ID was unregistered. Ref. part No. D

No

>> NATS IMMU is malfunctioning.

Replace NATS IMMU. Ref. part No. A

Perform initialization with CONSULT-II.

For initialization, refer to “CONSULT-II Operation
Manual NATS-IVIS/NVIS”.

Diagnostic Procedure 4

NIS000XW

Self-diagnostic results:
“ID DISCORD, IMM-ECM” displayed on CONSULT-II screen

1. 

CONFIRM SELF-DIAGNOSTIC RESULTS

Confirm SELF-DIAGNOSTIC RESULTS “ID DISCORD, IMM-ECM” displayed on CONSULT-II screen.

NOTE:
“ID DISCORD IMM-ECM”:
Registered ID of NATS IMMU is in discord with that of ECM.

Is CONSULT-II screen displayed as above?

Yes

>> GO TO 2.

No

>> GO TO 

BL-209, "Symptom Chart 1"

 .

PIIA1261E

SEL297W

PIIA1262E

BL-214

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

2. 

PERFORM INITIALIZATION WITH CONSULT-II

Perform initialization with CONSULT-II. Re-register all NATS ignition key IDs.
For initialization, refer to “CONSULT-II Operation Manual NATS-
IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-II
shows message on the screen.

Can the system be initialized?

Yes

>> Start engine. (END)

(System initialization had not been completed. Ref.
part No. F
 )

No

>> ECM is malfunctioning.

Replace ECM. Ref. part No. B

Perform initialization or re-communicating function.

For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”.

For re-communicating function, refer to 

BL-202, "ECM Re-Communicating Function"

 .

Diagnostic Procedure 5

NIS000XX

Self-diagnostic results:
“LOCK MODE” displayed on CONSULT-II screen

1. 

CONFIRM SELF-DIAGNOSTIC RESULTS

Confirm SELF-DIAGNOSTIC RESULTS “LOCK MODE” is displayed
on CONSULT-II screen.

Is CONSULT-II screen displayed as above?

Yes

>> GO TO 2.

No

>> GO TO 

BL-209, "Symptom Chart 1"

 .

2. 

ESCAPE FROM LOCK MODE

1.

Turn ignition switch OFF.

2.

Turn ignition switch ON with registered key. (Do not start engine.) Wait 5 seconds.

3.

Return the key to OFF position. Wait 5 seconds.

4.

Repeat steps 2 and 3 twice (total of three cycles).

5.

Start the engine.

Does engine start?

Yes

>> System is OK (Now system is escaped from “LOCK MODE”).

No

>> GO TO 3.

SEL297W

PIIA1264E

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

BL-215

C

D

E

F

G

H

J

K

L

M

A

B

BL

3. 

PERFORM INITIALIZATION WITH CONSULT-II

Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Manual NATS-
IVIS/NVIS”.
NOTE:
If the initialization is not completed or malfunctions, CONSULT-II
shows the message on the screen.

Can the system be initialized?

Yes

>> System is OK.

No

>> GO TO 4

4. 

PERFORM INITIALIZATION WITH CONSULT-II AGAIN

1.

Replace NATS IMMU.

2.

Perform initialization with CONSULT-II.
For initialization, refer to “CONSULT-II Operation Manual NATS-
IVIS/NVIS”.

NOTE:
If the initialization is not completed or malfunctions, CONSULT-II
shows the message on the screen.
Can the system be initialized?

Yes

>> System is OK. NATS IMMU is malfunctioning. Ref. part

No. A )

No

>> ECM is malfunctioning.

Replace ECM. Ref. part No. B

Perform initialization or re-communicating function.

For initialization, refer to “CONSULT-II Operation Manual NATS-IVIS/NVIS”.

For re-communicating function, refer to 

BL-202, "ECM Re-Communicating Function"

 .

Diagnostic Procedure 6

NIS000XY

Self-diagnostic results:
“CHAIN OF IMMU-KEY” displayed on CONSULT-II screen

1. 

CHECK OF ELECTRONIC KEY (TRANSPONDER)

Using the other registered electronic key, check that the ignition switch can be turned ON.

OK or NG

OK

>> Electronic key (transponder) malfunction. Ref. part D.

NG

>> GO TO 2.

2. 

CHECK NATS ANTENNA AMP. INSTALLATION

1.

Turn ignition switch OFF.

2.

Check the installation condition of the NATS antenna amp.

OK or NG

OK

>> GO TO 3.

NG

>> Install the NATS antenna amp. correctly. Reference part E.

SEL297W

SEL297W

BL-216

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

3. 

CHECK NATS ANTENNA AMP. CIRCUIT 1

Insert electronic key into ignition key cylinder, and immediately
check voltage between NATS antenna amp. connector  and ground.

OK or NG

OK

>> GO TO 4.

NG

>> GO TO 7.

4. 

CHECK NATS ANTENNA AMP. CIRCUIT 2

1.

Disconnect NATS antenna amp. connector.

2.

Check continuity between NATS antenna amp. connector M65
terminal 4 and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 7.

5. 

CHECK NATS ANTENNA AMP. CIRCUIT 3

1.

Connect NATS antenna amp. connector.

2.

Insert the electronic key into the ignition key cylinder, and imme-
diately check voltage between NATS antenna amp. connector
and ground.

OK or NG

OK

>> GO TO 6.

NG

>> GO TO 7.

Con-

nector

Terminal

 (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M65

1 (R)

Ground

Insert electronic key 
into ignition key cylin-
der.

Approx. 5V (for 3 seconds 

after inserting the key)

PIIA3125E

4 (B/R) – Ground

: Continuity should exist.

PIIA3126E

Con-

nector

Terminal 

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

M65

2 (Y)

Ground

Insert electronic key 
into ignition key cylin-
der.

 Pointer of tester should 

move.

PIIA3127E

 

 

 

 

 

 

 

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