Infiniti M35/M45 Y50. Manual - part 279

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

BL-185

C

D

E

F

G

H

J

K

L

M

A

B

BL

2. 

CHECK POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect key slot connector.

3.

Check voltage between key slot connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check key slot power supply circuit for open or short.

3. 

CHECK HARNESS CONTINUITY 1

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit connector and key slot connector.

3.

Check continuity between Intelligent Key unit connector and
ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK KEY SLOT

Check key slot.

OK or NG

OK

>> Check the condition of harness and connector.

NG

>> Replace key slot.

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Key slot connector

Terminal

M14

1

Ground

Battery voltage

PIIB6258E

A

B

Continuity 

Intelligent Key 
unit connector

Terminal

Key slot connector

Terminal

M32

19

M14

2

Yes

A

Ground

Continuity 

Intelligent Key unit connector

Terminal

M32

19

No

PIIB6259E

Terminal

Condition

Continuity

Key slot

1

2

Key slot inserted

Yes

Key slot removed

No

PIIB6260E

BL-186

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

5. 

CHECK HARNESS CONTINUITY 2

1.

Disconnect BCM connector.

2.

Check continuity between BCM connector and key slot connector.

3.

Check continuity between BCM connector and ground.

OK or NG

OK

>> Replace BCM. Refer to "C/U INITIALIZATION", and then perform the registration again after

replacing BCM.

NG

>> Repair or replace harness.

Check NATS Antenna Amp. Built In Key Slot

NIS001Z8

For the circuit information of this diagnosis, refer to Engine Immobilizer System Circuit Diagram.

1. 

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect key slot connector.

3.

Check voltage between key slot connector and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Check key slot power supply circuit for open or short.

2. 

CHECK GROUND CIRCUIT

Check continuity between key slot connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

A

B

Continuity 

BCM connector

Terminal

Key slot connector

Terminal

M1

37

M14

2

Yes

A

Ground

Continuity 

BCM connector

Terminal

M1

37

No

PIIB6261E

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Key slot connector

Terminal

M14

1

Ground

Battery voltage

PIIB6258E

Key slot connector

Terminal

Ground

Continuity 

M14

8

Yes

PIIB6262E

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

BL-187

C

D

E

F

G

H

J

K

L

M

A

B

BL

3. 

CHECK KEY SLOT SIGNAL

1.

Connect key slot connector.

2.

Check voltage between key slot connector and ground.

OK or NG

OK

>> Check the condition of harness and connector.

NG

>> Repair or replace harness between BCM and key slot.

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

Key slot 

connector

Terminal

M14

6

Ground

Check the voltage just 

after the Intelligent Key 

is inserted into the key 

slot and the ignition 

switch is turned to 

START.

The pointer of 

the analog 

tester fluctu-

ates.

7

PIIB6263E

BL-188

DOOR

DOOR

PFP:80100

Fitting Adjustment

NIS001Z9

FRONT DOOR
Longitudinal Clearance and Surface Height Adjustment At Front End

Loosen the hinge mounting bolts. Raise the front door at rear end to adjust.

REAR DOOR
Longitudinal Clearance and Surface Height Adjustment At Front End

1.

Remove the center pillar upper garnish and center pillar lower garnish. Refer to 

EI-37, "Removal and

Installation"

 .

1.

Front fender

2.

Front door outer

3.

Rear door outer

4.

Rear fender

PIIB5805E