Infiniti F50. Manual - part 242

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

BL-215

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D

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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-200, "ECM Re-communicating Function"

 .

Diagnostic Procedure 6

EIS0043L

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 M65 terminal
1 (R) 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 (B/R) 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
M65 terminal 2 (Y) and ground.

OK or NG

OK

>> GO TO 6.

NG

>> GO TO 7.

6. 

CHECK NATS ANTENNA AMP. CIRCUIT 4

Insert the electronic key into the ignition key cylinder, and immedi-
ately check voltage between NATS antenna amp. connector M65
terminal 3 (Y/G) and ground.

OK or NG

OK

>> Replace NATS antenna amp.: Reference part E.

NG

>> GO TO 7.

Terminals

Condition

Voltage

1 (R) 

−

 Ground

Insert electronic key into 
ignition key cylinder.

Approx. 5V (for 3 seconds 

after inserting the key)

PIIA3125E

Continuity should exist.

PIIA3126E

Terminals

Condition

Voltage

2 (Y) 

−

 Ground

Insert electronic key into 
ignition key cylinder.

 Pointer of tester should 

move.

PIIA3127E

Terminals

Condition

Voltage

3 (Y/G) 

−

 Ground

Insert electronic key into 
electronic key cylinder.

 Pointer of tester 

should move.

PIIA3128E

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)

BL-217

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7. 

CHECK NATS ANTENNA AMP. CIRCUIT 5

1.

Turn ignition switch OFF.

2.

Disconnect NATS IMMU and NATS antenna amp. connector.

3.

Check continuity between NATS IMMU connector M32 terminals
5 (R), 6 (Y), 7 (Y/G), 8 (B/R) and   NATS antenna amp. connec-
tor M65 terminals 1 (R), 2 (Y), 3 (Y/G), 4 (B/R).

4.

Check continuity between NATS IMMU connector M32 terminals
5 (R), 6 (Y), 7 (Y/G), 8 (B/R) and   ground.

OK or NG

OK

>> Replace NATS IMMU: Reference part A.

NG

>> Check harness for open or short between NATS IMMU and NATS antenna amp.: Reference parts

E1, 2, 3, 4

Removal and Installation NATS Antenna Amp.

EIS0040S

REMOVAL

1.

Remove the Cluster lid D. Refer to 

IP-10, "Removal and Installation"

 .

2.

Remove the Knee protector lower. Refer to 

IP-10, "Removal and Installation"

 .

3.

Remove the Instrument lower driver panel. Refer to 

IP-10, "Removal and Installation"

 .

4.

Remove the Instrument panel bracket. Refer to 

IP-10, "Removal and Installation"

 .

5.

Remove the mounting screw, harness connector and remove
NATS antenna amp..

INSTALLATION

Install in the reverse order of removal.

 5(R) - 1(R)

: Continuity should exist.

 6(Y) - 2(Y)

: Continuity should exist.

 7(Y/G) - 3(Y/G)

: Continuity should exist.

 8(B/R) - 4(B/R)

: Continuity should exist.

 5(R) - Ground

: Continuity should not exist.

 6(Y) - Ground

: Continuity should not exist.

 7(Y/G) - Ground

: Continuity should not exist.

 8(B/R) - Ground

: Continuity should not exist.

PIIA3129E

PIIA4165E

BL-218

HOMELINK UNIVERSAL TRANSCEIVER

HOMELINK UNIVERSAL TRANSCEIVER

PFP:96401

Wiring Diagram – TRNSCV –

EIS00296

TIWM0205E