Infiniti M35/M45 Y50. Manual - part 259

 

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Infiniti M35/M45 Y50. Manual - part 259

 

 

INTELLIGENT KEY SYSTEM

BL-105

C

D

E

F

G

H

J

K

L

M

A

B

BL

Check Intelligent Key Warning Buzzer

NIS001XT

1. 

CHECK INTELLIGENT KEY WARNING BUZZER

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Intelligent Key warning buzzer is OK.

NG

>> GO TO 2.

2. 

CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key warning buzzer connector.

3.

Check voltage between Intelligent Key warning buzzer connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace Intelligent Key warning buzzer power

supply circuit.

3. 

CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit connector and Intelligent Key warning buzzer connector.

3.

Check continuity between Intelligent Key unit connector and
ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between Intelligent Key unit and Intelligent Key warning buzzer.

Terminals

Warning 

buzzer opera-

tion condition

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key 
unit connector

Terminal

M33

55

Ground

Yes

0

No

Battery voltage

PIIB6341E

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key 

warning buzzer  

connector

Terminal

E37

3

Ground

Battery voltage

PIIB6342E

A

B

Continuity 

Intelligent Key 
unit connector

Terminal

Intelligent Key 

warning buzzer  

connector

Terminal

M33

55

E37

1

Yes

A

Ground

Continuity 

Intelligent Key unit 

connector

Terminal

M33

55

No

PIIB6343E

BL-106

INTELLIGENT KEY SYSTEM

4. 

CHECK INTELLIGENT KEY WARNING BUZZER OPERATION

Connect battery power supply to Intelligent Key warning buzzer terminals 1 and 3, and check the operation.

OK or NG

OK

>> Intelligent Key warning buzzer is OK.

NG

>> Replace Intelligent Key warning buzzer.

Check Outside Key Antenna (Driver Side and Passenger Side)

NIS001XU

1. 

CHECK OUTSIDE KEY ANTENNA FUNCTION 

 With CONSULT-II

1.

Check the operation with (“ANTENNA”) in the ACTIVE TEST.

2.

Touch “DRIVER ANT” and “ASSIST ANT” on screen.

3.

Carry the Intelligent Key into the antenna detection area.

Does the hazard lamps flash?

Yes

>> Outside key antenna (driver side or passenger side) is OK.

No

>> GO TO 2.

2. 

CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch OFF.

2.

Check signal between Intelligent Key unit connector and ground with oscilloscope.

OK or NG

OK

>> Check the condition of harness and connector.

NG

>> GO TO 3.

1 (BAT-) - 3 (BAT+)

: the buzzer sounds

PIIB6344E

Test item

Corresponding antenna

DRIVER ANT

Outside key antenna driver side

ASSIST ANT

Outside key antenna passenger side

PIIB6345E

Terminals

Condition

Signal

(Reference value.)

(+)

(–)

Intelligent Key 
unit connector

Termi-

nal

M32

Driver 

side

24

Ground

Door 

request 

switch is 

pushed

Passen-

ger side

11

PIIB8923E

SIIA1910J

INTELLIGENT KEY SYSTEM

BL-107

C

D

E

F

G

H

J

K

L

M

A

B

BL

3. 

CHECK OUTSIDE KEY ANTENNA CIRCUIT

1.

Disconnect Intelligent Key unit and front outside handle connector.

2.

Check continuity between Intelligent Key unit connector and front outside handle connector.

3.

Check continuity between Intelligent Key unit connector and
ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between Intelligent Key unit and front outside handle.

4. 

CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 2

1.

Replace outside key antenna. (New antenna or other antenna)

2.

Connect Intelligent Key unit and front outside handle connector.

3.

Check signal between Intelligent Key unit connector and ground with oscilloscope.

OK or NG

OK

>> Replace malfunction front outside handle.

NG

>> Replace Intelligent Key unit.

A

B

Continuity 

Intelligent Key 
unit connector

Terminal

 Front outside

handle connector

Terminal

M32

24

D15

1

Yes

25

2

11

D45

1

12

2

A

Ground

Continuity 

Intelligent Key unit

connector

Terminal

M32

24

No

25

11

12

PIIB8924E

Terminals

Condition

Signal

(Reference value.)

(+)

(–)

Intelligent Key 
unit connector

Termi-

nal

M32

Driver 

side

24

Ground

Door 

request 

switch is 

pushed

Passen-

ger side

11

PIIB8923E

SIIA1910J

BL-108

INTELLIGENT KEY SYSTEM

Check Outside Key Antenna (Trunk Room)

NIS001XV

1. 

CHECK OUTSIDE KEY ANTENNA FUNCTION

 With CONSULT-II

1.

Check the operation with (“ANTENNA”) in the ACTIVE TEST.

2.

Touch “BD/TR ANT” on screen.

3.

Carry the Intelligent Key into the antenna detection area.

Do the hazard lamps flash?

Yes

>> Outside key antenna (trunk room) is OK.

No

>> GO TO 2.

2. 

CHECK OUTSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch OFF.

2.

Check signal between Intelligent Key unit connector and ground with oscilloscope.

OK or NG

OK

>> Check the condition of harness and connector.

NG

>> GO TO 3.

Test item

Corresponding antenna

BD/TR ANT

Outside key antenna trunk room

PIIB6345E

Terminals

Condition

Signal

(Reference value.)

(+)

(–)

Intelligent 

Key unit 

connector

Terminal

M32

17

Ground

Trunk 

request 

switch is 

pushed

PIIB8925E

SIIA1910J

 

 

 

 

 

 

 

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