Infiniti FX35, FX50 (S51). Manual - part 1526

ENCODER

PWC-165

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

2.

Check continuity between power window main switch harness connector and front power window motor
(driver side) harness connector.

Is the inspection result normal?

YES

>> Replace power window main switch. Refer to 

PWC-249, "Removal and Installation"

. 

NO

>> Repair or replace harness.

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000005248294

Detects condition of the front power window motor (passenger side) operation and transmits to front power
window switch (passenger side) as the pulse signal. 

PASSENGER SIDE : Component Function Check

INFOID:0000000005248295

1.

CHECK ENCODER

Check that passenger side door glass performs AUTO open/close operation normally by power window main
switch or front power window switch (passenger side).

Is the inspection result normal?

YES

>> Encoder is OK.

NO

>> Refer to 

PWC-165, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000005248296

1.

CHECK ENCODER SIGNAL

1.

Turn ignition switch ON.

2.

Check signal between front power window switch (passenger side) harness connector and ground with
oscilloscope.

Is the inspection result normal?

YES

>> Replace front power window switch (passenger side). Refer to 

PWC-250, "Removal and Installa-

tion"

. 

NO

>> GO TO 2.

2.

CHECK ENCORDER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

Power window main switch 

Front power window motor (driver side)

Continuity

Connector

Terminal

Connector

Terminal

D8

2

D10

6

Existed

(+)

(–)

Signal

(Reference value)

Front power window switch (passenger side)

Connector

Terminal 

D38

12

Ground

Refer to following signal

15

JMKIA2682GB

PWC-166

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

ENCODER

2.

Disconnect front power window switch (passenger side) connector and front power window motor (pas-
senger side) connector.

3.

Check continuity between front power window switch (passenger side) harness connector and front power
window motor (passenger side) harness connector.

4.

Check continuity between front power window switch (passenger side) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK ENCORDER POWER SUPPLY CIRCUIT 1

1.

Connect front power window switch (passenger side) connector.

2.

Turn ignition switch ON.

3.

Check voltage between front power window motor (passenger side) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

CHECK GROUND CIRCUIT 2

1.

Turn ignition switch OFF.

2.

Check continuity between front power window motor (passenger side) harness connector and ground.

Is the inspection result normal?

YES

>> Replace front power window motor (passenger side). Refer to 

GW-21, "Removal and Installation"

.

NO

>> GO TO 6.

5.

CHECK ENCORDER POWER SUPPLY CIRCUIT 2

1.

Turn ignition switch OFF.

2.

Disconnect front power window switch (passenger side) connector.

3.

Check continuity between front power window switch (passenger side) harness connector and front power
window motor (passenger side) harness connector.

4.

Check continuity between front power window switch (passenger side) harness connector and ground.

Front power window switch (passenger side)

Front power window motor (passenger side)

Continuity

Connector

Terminal

Connector

Terminal

D38

12

D40

5

Existed

15

3

Front power window switch (passenger side)

Ground

Continuity

Connector

Terminal

D38

12

Not existed

15

(+)

(–)

Voltage (V)

(Approx.)

Front power window motor (passenger side)

Connector

Terminal 

D40

4

Ground

Battery voltage

Front power window motor (passenger side)

Ground

Continuity 

Connector

Terminal

D40

6

Existed

Front power window switch (passenger side)

Front power window motor (passenger side)

Continuity

Connector

Terminal

Connector

Terminal

D38

4

D40

4

Existed

ENCODER

PWC-167

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

C

D

E

F

G

H

I

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L

M

A

B

PWC

N

O

P

Is the inspection result normal?

YES

>> Replace front power window switch (passenger side). Refer to 

PWC-250, "Removal and Installa-

tion"

. 

NO

>> Repair or replace harness.

6.

CHECK GROUND CIRCUIT 2

1.

Disconnect front power window switch (passenger side) connector.

2.

Check continuity between front power window switch (passenger side) harness connector and front power
window motor (passenger side) harness connector.

Is the inspection result normal?

YES

>> Replace front power window switch (passenger side). Refer to 

PWC-250, "Removal and Installa-

tion"

. 

NO

>> Repair or replace harness.

Front power window switch (passenger side) 

Ground

Continuity

Connector

Terminal

D38

4

Not existed

Front power window switch (passenger side)

Front power window motor (passenger side) 

Continuity

Connector

Terminal

Connector

Terminal

D38

3

D40

6

Existed

PWC-168

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

DOOR KEY CYLINDER SWITCH

DOOR KEY CYLINDER SWITCH

Description

INFOID:0000000005248297

Power window main switch detects condition of the door key cylinder switch and transmits to BCM as the
LOCK or UNLOCK signals. 

Component Function Check

INFOID:0000000005248298

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

Check (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-III. Refer to 

DLK-53, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"

.

Is the inspection result normal?

YES

>> Door key cylinder switch is OK.

NO

>> Refer to 

PWC-168, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005248299

1.

CHECK DOOR KEY CYLINDER SWITCH SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect front door lock assembly (driver side) (key cylinder switch) connect.

3.

Turn ignition switch ON.

4.

Check voltage between front door lock assembly (driver side) (key cylinder switch) harness connector and
ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR KEY CYLINDER SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector.

3.

Check continuity between power window main switch harness connector and front door lock assembly
(driver side) (key cylinder switch) harness connector.

4.

Check continuity between power window main switch harness connector and ground.

Monitor item

Condition

KEY CYL LK-SW

Lock

: ON

Neutral / Unlock

: OFF

KEY CYL UN-SW

Unlock

: ON

Neutral / Lock

: OFF

(+)

(–)

Voltage (V)

(Approx.)

Front door lock assembly (driver side) (key cylinder switch)

Connector

Terminal 

D15

5

Ground

5

6

Power window main switch

Front door lock assembly (driver side) (key cylinder 

switch)

Continuity

Connector

Terminal

Connector

Terminal

D8

4

D15

6

Existed

6

5