Infiniti M35/M45 Y50. Manual - part 258

INTELLIGENT KEY SYSTEM

BL-101

C

D

E

F

G

H

J

K

L

M

A

B

BL

5. 

CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL

1.

Connect Intelligent Key unit connector.

2.

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Check the condition of harness and connector.

NG

>> Replace Intelligent Key unit.

Check Trunk Opener Request Switch

NIS001XR

1. 

CHECK TRUNK OPENER REQUEST SWITCH

 With CONSULT-II

Check trunk opener request switch (“BD/TR REQ SW”) in “DATA MONITOR” mode.

 Without CONSULT-II

1.

Turn ignition switch OFF.

2.

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Trunk opener request switch is OK.

NG

>> GO TO 2.

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key unit 

connector

Terminal

M32

2

Ground

5

22

PIIB6330E

Monitor item

Condition

BD/TR REQ SW

Trunk opener request switch is pressed: ON

Trunk opener request switch is released: OFF

PIIB4266E

Terminals

Trunk lid 

opener 

request switch 

condition

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key 
unit connector

Terminal

M33

61

Ground

Pressed

0

Released

5

PIIB8990E

BL-102

INTELLIGENT KEY SYSTEM

2. 

CHECK TRUNK OPENER REQUEST SWITCH CIRCUIT

1.

Disconnect Intelligent Key unit and trunk opener request switch connector.

2.

Check continuity between Intelligent Key unit connector and trunk opener request switch connector.

3.

Check continuity between Intelligent Key unit connector and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit and trunk opener request switch.

3. 

CHECK TRUNK OPENER REQUEST SWITCH OPERATION

Check trunk opener request switch.

OK or NG

OK

>> GO TO 4.

NG

>> Replace trunk opener request switch.

4. 

CHECK TRUNK OPENER REQUEST SWITCH GROUND CIRCUIT

Check continuity between trunk opener request switch connector and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace trunk opener request switch ground

circuit.

A

B

Continuity 

Intelligent Key 
unit connector

Terminal

 Trunk request 

switch connector

Terminal

M33

61

T107

1

Yes

A

Ground

Continuity 

Intelligent Key unit

connector

Terminal

M33

61

No

PIIB8991E

Terminal

Trunk opener request 

switch condition

Continuity 

Trunk opener request switch

1

2

Pressed

Yes

Released

No

PIIB6336E

Trunk  opener request 

switch  connector

Terminal

Ground

Continuity 

T107

2

Yes

PIIB6337E

INTELLIGENT KEY SYSTEM

BL-103

C

D

E

F

G

H

J

K

L

M

A

B

BL

5. 

CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL

1.

Connect Intelligent Key unit connector.

2.

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Check the condition of harness and connector.

NG

>> Replace Intelligent Key unit.

Check Unlock Sensor

NIS001XS

1. 

CHECK UNLOCK SENSOR POWER SUPPLY

 With CONSULT-II

Check unlock sensor (“DOOR STAT SW”) in “DATA MONITOR” mode.

 Without CONSULT-II

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Unlock sensor is OK.

NG

>> GO TO 2.

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key unit 

connector

Terminal

M33

61

Ground

5

PIIB8990E

Monitor item

Condition

DOOR STAT SW

Front door lock (driver side) LOCK: ON

Front door lock (driver side) UNLOCK: OFF

PIIB6399E

Terminals

Front door 

lock 

(driver side) 

condition

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key 
unit connector

Terminal

M32

26

Ground

Locked

Battery voltage

Unlocked

0

PIIB6338E

BL-104

INTELLIGENT KEY SYSTEM

2. 

CHECK UNLOCK SENSOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit and front door lock assembly (driver side) connector.

3.

Check continuity between Intelligent Key unit connector and front door lock assembly (driver side) con-
nector.

4.

Check continuity between Intelligent Key unit connector and
ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between Intelligent Key unit and front door lock assembly (driver side).

3. 

CHECK UNLOCK SENSOR GROUND CIRCUIT

Check continuity between front door lock assembly (driver side) connector and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK INTELLIGENT KEY UNIT OUTPUT SIGNAL

1.

Connect Intelligent Key unit harness connector.

2.

Check voltage between Intelligent Key unit connector and ground.

OK or NG

OK

>> Replace front door lock assembly (driver side).

NG

>> Replace Intelligent Key unit.

A

B

Continuity 

Intelligent Key 
unit connector

Terminal

 Front door lock 

assembly (driver 

side) connector

Terminal

M32

26

D14

3

Yes

A

Ground

Continuity 

Intelligent Key unit 

connector

Terminal

M32

26

No

PIIB6339E

Front door lock

assembly (driver side)  

connector

Terminal

Ground

Continuity 

D14

4

Yes

PIIB8992E

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key unit 

connector

Terminal

M32

26

Ground

Battery voltage

PIIB6338E