Infiniti F50. Manual - part 232

 

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Infiniti F50. Manual - part 232

 

 

VEHICLE SECURITY (THEFT WARNING) SYSTEM

BL-175

C

D

E

F

G

H

J

K

L

M

A

B

BL

2. 

CHECK DOOR UNLOCK SENSOR INPUT SIGNAL

1.

Turn ignition switch “OFF”.

2.

Disconnect door lock actuator connector.

3.

Check voltage between each door control unit and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Replace malfunctioning door control unit.

3. 

CHECK DOOR UNLOCK SENSOR SIGNAL CIRCUIT

1.

Disconnect door control unit connector.

2.

Check continuity between door control unit and door lock actuator (door unlock sensor).

3.

Check continuity between door control unit and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace malfunctioning harness.

 Door control unit connector

Terminal (Wire color)

Voltage (V)

Front door

 Driver side: D8

6 (G/Y) 

 ground

Approx. 5

Passenger side: D38

13 (G/Y) 

 ground

Rear door

LH: D58

RH: D78

PIIA4466E

 Connector

Terminal 

(wire color)

Connector

Terminal 

(Wire color)

Continuity

Driver side: 
D8

 6 (G/Y)

D11

2 (G/Y)

Should exist

Passenger 
side: D38

13 (G/Y)

D41

Rear LH: 
D58

D61

Rear RH: 
D78

D81

 Connector

Terminal (wire color)

Continuity

Driver side: D8

 6 (G/Y) 

 ground

Should not exist

Passenger side: D38

13 (G/Y) 

 ground

Rear LH: D58

Rear RH: D78

PIIA2857E

PIIA4351E

BL-176

VEHICLE SECURITY (THEFT WARNING) SYSTEM

4. 

CHECK DOOR UNLOCK SENSOR GROUND CIRCUIT

1.

Turn ignition switch “OFF”.

2.

Disconnect door lock actuator connector.

3.

Check continuity between each door control unit and ground.

OK or NG

OK

>> Replace door lock actuator (door unlock sensor).

NG

>> Repair or replace malfunctioning harness.

 Connector

Terminal (wire color)

Continuity

Driver side: D11

 4 (B) 

 ground

Should exist

Passenger side: D41

Rear LH: D61

Rear RH: D81

PIIA2859E

VEHICLE SECURITY (THEFT WARNING) SYSTEM

BL-177

C

D

E

F

G

H

J

K

L

M

A

B

BL

Diagnostic Procedure 4

EIS003QE

4–1 CHECK DOOR KEY CYLINDER LOCK SWITCH

1. 

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK SIGNAL)

 With CONSULT-II

Check front door key cylinder switch (driver side) “KEY CYL LK-DR” in “DATA MONITOR” mode with CON-
SULT-II.

 Without CONSULT-II

Check voltage between driver door control unit (LCU01) connector
and ground.

OK or NG

OK

>> Front door key cylinder switch (driver side) (lock) is OK.

NG

>> GO TO 2.

“KEY CYL LK-DR” should be “ON” when key inserted 
in door key cylinder was turned to lock.

PIIA0350E

Connector

Terminal (wire color)

Key position

Voltage (V)

( + )

( – )

D8

10(GY)

Ground

Neutral/Unlock

Approx.5

Lock

0

PIIA2805E

BL-178

VEHICLE SECURITY (THEFT WARNING) SYSTEM

2. 

CHECK DOOR KEY CYLINDER SWITCH

1.

Turn ignition switch “OFF”.

2.

Disconnect front door key cylinder switch (driver side) connector.

3.

Check continuity between front door key cylinder switch (driver side) terminals.

OK or NG

OK

>> Check the following.

Front door key cylinder switch (driver side) ground cir-
cuit

Harness for open or short between driver door control
unit (LCU01) and front door key cylinder switch (driver
side)

NG

>> Replace front door key cylinder switch (driver side).

Terminal

Condition

Continuity

 3

Neutral/Unlock

No

Lock

Yes

PIIA2853E

 

 

 

 

 

 

 

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