Infiniti FX35 / FX45. Manual - part 195

POWER DOOR LOCK SYSTEM

BL-47

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

BL

N

O

P

OK

>> Replace fuel lid lock actuator.

NG

>> Repair or replace harness.

Check Front Door Key Cylinder Switch (Lock)

INFOID:0000000001327809

1.

CHECK FRONT DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK SIGNAL)

With CONSULT-III

Check front door key cylinder switch LH (“KEY CYL LK SW”) in “DATA MONITOR” mode with CONSULT-III.
• When key cylinder switch is turned to “LOCK”.

Without CONSULT-III

Check voltage between power window main switch (door lock and
unlock switch) connector and ground.

OK or NG

OK

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

NG

>> GO TO 2.

2.

CHECK FRONT DOOR KEY CYLINDER SWITCH

1.

Disconnect front door key cylinder switch driver side connector.

2.

Check continuity between front door key cylinder switch driver
side terminals 1 and 5.

OK or NG

OK

>>

Check the following.

• Front door key cylinder switch driver side ground circuit.
• Harness for open or short between power window main switch (door lock and unlock switch)

and front door key cylinder switch driver side.

NG

>> Replace front door key cylinder switch driver side.

Check Front Door Key Cylinder Switch (Unlock)

INFOID:0000000001327810

1.

CHECK FRONT DOOR KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK SIGNAL)

With CONSULT-III

Check front door key cylinder switch driver side (“KEY CYL UN-SW”) in “DATA MONITOR” mode with CON-
SULT-III.
• When key cylinder switch is turned to “UNLOCK”.

KEY CYL LK-SW

: ON

Connector

Terminal (Wire color)

Front door key cylinder 

switch position

Voltage (V)

(Approx.)

(+)

(-)

D6

4 (P)

Ground

Neutral / Unlock

5

Lock

0

PIIA6203E

Terminal

Front door key cylinder switch position

Continuity

1

5

Neutral / Unlock

No

Lock

Yes

PIIA6543E

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< SERVICE INFORMATION >

POWER DOOR LOCK SYSTEM

Without CONSULT-III

Check voltage between main power window switch (door lock and
unlock switch) connector and ground.

OK or NG

OK

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

NG

>> GO TO 2.

2.

CHECK FRONT DOOR KEY CYLINDER SWITCH

1.

Disconnect front door key cylinder switch driver side connector.

2.

Check continuity between front door key cylinder switch driver
side terminals 5 and 6.

OK or NG

OK

>>

Check the following.

• Front door key cylinder switch driver side ground circuit
• Harness for open or short between power window main switch (door lock and unlock switch)

and front door key cylinder switch driver side

NG

>> Replace front door key cylinder switch driver side.

Check Select Unlock Relay Circuit

INFOID:0000000001327811

1.

CHECK SELECT UNLOCK CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM, rear door lock actuator (LH and RH), and passenger side select unlock relay connector. 

3.

Check continuity between BCM connector M4 terminal 50 and
passenger side select unlock relay connector M30 terminal 4. 

4.

Check continuity between passenger side select unlock relay
connector M30 terminal 4 and ground.

KEY CYL UN-SW

: ON

Connector

Terminal (Wire color)

Front door key cylinder 

switch position

Voltage (V)

(Approx.)

(+)

(-)

D6

6 (OR)

Ground

Neutral / Lock

5

Unlock

0

PIIA6205E

Terminal

Front door key cylinder switch position

Continuity

5

6

Neutral / Lock

No

Unlock

Yes

PIIA6544E

50 (PU) – 4 (PU)

: Continuity should exist.

4 (PU) – Ground

: Continuity should not exist.

PIIB0403E

POWER DOOR LOCK SYSTEM

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< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

BL

N

O

P

5.

Check continuity between passenger side select unlock relay
connector M30 terminal 3 and rear door lock actuator connector
D52 (LH), D72 (RH) terminal 3.

6.

Check continuity between passenger side unlock relay connec-
tor M30 terminal 3 and ground.

OK or NG

OK

>> Check passenger side select unlock relay.

NG

>> Repair or replace harness.

3 (PU) – 3 (PU)

: Continuity should exist.

3 (PU) – Ground

: Continuity should not exist.

PIIB8506E

BL-50

< SERVICE INFORMATION >

REMOTE KEYLESS ENTRY SYSTEM

REMOTE KEYLESS ENTRY SYSTEM

Component Parts and Harness Connector Location

INFOID:0000000001327812

System Description

INFOID:0000000001327813

INPUTS

Power is supplied at all times

PIIB4074E