Infiniti FX35, FX50 (S51). Manual - part 1525

DOOR SWITCH

PWC-161

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

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DOOR SWITCH

Description

INFOID:0000000005248287

Detects door open/closed condition.

Component Function Check

INFOID:0000000005248288

1.

CHECK FUNCTION

Check door switches (“DOOR SW-DR”, “DOOR SW-AS”) in “Data Monitor” mode with CONSULT-III.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

PWC-161, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005248289

1.

CHECK FRONT DOOR SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect malfunction front door switch connector.

3.

Check signal between malfunction front door switch harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT 

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and malfunction door switch harness connector.

3.

Check continuity between BCM harness connector and ground.

Monitor item

Door condition

Display

DOOR SW-DR

CLOSE 

→

 OPEN

OFF 

→

 ON

DOOR SW-AS

(+)

(–)

Voltage (V)

(Approx.)

Front door switch

Connector

Terminal

Driver side

B16

2

Ground

Passenger side

B216

JPMIA0011GB

BCM

Front door switch

Continuity 

Connector

Terminal

Connector

Terminal

M123

124

B216

2

Exists

150

B16

BCM

Ground

Continuity 

Connector

Terminal

M123

124

Not exist

150

PWC-162

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

DOOR SWITCH

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-83, "Exploded View"

.

NO

>> Repair or replace harness.

3.

CHECK FRONT DOOR SWITCH 

Check front door switch.
Refer to 

PWC-162, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace malfunction front door switch. Refer to 

DLK-280, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-36, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000005248290

1.

CHECK FRONT DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect malfunction front door switch connector.

3.

Check malfunction front door switch.

Is the inspection result normal?

YES

>> Front door switch is OK.

NO

>> Replace malfunction front door switch. Refer to 

DLK-280, "Removal and Installation"

.

(+)

(-)

Condition

Continuity

Front door switch

Connector

Terminal

 Driver side

B16

2

Ground part of 

door switch 

Door switch pressed

Not exist

Door switch released

Exists

Passenger side

B216

2

Door switch pressed

Not exist

Door switch released

Exists

ENCODER

PWC-163

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

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ENCODER

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000005248291

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

DRIVER SIDE : Component Function Check

INFOID:0000000005248292

1.

CHECK ENCODER

Check that driver side door glass performs AUTO open/close operation normally by power window main
switch.
Is the inspection result normal?

YES

>> Encoder is OK.

NO

>> Refer to 

PWC-163, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000005248293

1.

CHECK ENCODER SIGNAL

1.

Turn ignition switch ON.

2.

Check signal between power window main switch harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> Replace power window main switch. Refer to 

PWC-249, "Removal and Installation"

. 

NO

>> GO TO 2.

2.

CHECK ENCORDER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector and front power window motor (driver side) connector.

3.

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

4.

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

(+)

(–)

Signal

(Reference value)

Power window main switch

Connector

Terminal 

D8

9

Ground

Refer to following signal

13

JMKIA2682GB

Power window main switch

Front power window motor

(driver side)

Continuity

Connector

Terminal

Connector

Terminal

D8

9

D10

3

Existed

13

5

PWC-164

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

ENCODER

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK ENCORDER POWER SUPPLY CIRCUIT 1

1.

Connect power window main switch connector.

2.

Turn ignition switch ON.

3.

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

Is the inspection result normal?

YES

>> Replace front power window motor (driver 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 power window main switch connector.

3.

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

4.

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

Is the inspection result normal?

YES

>> Replace power window main switch. Refer to 

PWC-249, "Removal and Installation"

. 

NO

>> Repair or replace harness.

6.

CHECK GROUND CIRCUIT 2

1.

Disconnect power window main switch connector.

Power window main switch

Ground

Continuity

Connector

Terminal

D8

9

Not existed

13

(+)

(–)

Voltage (V)

(Approx.)

Front power window motor (driver side)

Connector

Terminal 

D10

4

Ground

Battery voltage

Front power window motor (driver side)

Ground

Continuity 

Connector

Terminal

D10

6

Existed

Power window main switch

Front power window motor (driver side)

Continuity

Connector

Terminal

Connector

Terminal

D8

15

D10

4

Existed

Power window main switch

Ground

Continuity

Connector

Terminal

D8

15

Not existed