Infiniti G35 (V35) Sedan. Manual - part 1052

PWC-40

< COMPONENT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

DOOR KEY CYLINDER SWITCH

DOOR KEY CYLINDER SWITCH

Description

INFOID:0000000000961593

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:0000000000961594

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-50, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"

.

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

NO

>> Refer to 

PWC-40, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000961595

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between power window main switch connector and ground.

Is the inspection result normal?

YES

>> Replace power window main switch. Refer to 

PWC-126, "Removal and Installation"

. After that,

Refer to 

PWC-16, "POWER WINDOW MAIN SWITCH : Special Repair Requirement"

.

NO

>> GO TO 2.

2.

CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector and front door key lock assembly (driver side) (key cyl-
inder switch) connector.

3.

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

4.

Check continuity between power window main switch connector and ground.

Monitor item

Condition

KEY CYL LK-SW

Lock

: ON

Neutral / Unlock

: OFF

KEY CYL UN-SW

Unlock

: ON

Neutral / Lock

: OFF

Terminals

Key position

Voltage (V)

(Approx.)

(+)

(–)

Power window main 

switch connector

Terminal 

D8

4

Ground

Lock

0

Neutral / Unlock

5

6

Unlock

0

Neutral / Lock

5

Power window main switch connec-

tor

Terminal

Front door lock assembly (driver side) (key cylin-

der switch) connector

Terminal

Continuity

D8

4

D15

6

Existed

6

5

DOOR KEY CYLINDER SWITCH

PWC-41

< COMPONENT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

C

D

E

F

G

H

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L

M

A

B

PWC

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O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK DOOR KEY CYLINDER SWITCH

Check door key cylinder switch. 
Refer to 

PWC-41, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

NO

>> Replace front door lock assembly (driver side) (key cylinder switch). Refer to 

DLK-207, "FRONT

DOOR LOCK : Removal and Installation"

. After that,  Refer to 

PWC-41, "Special Repair Require-

ment"

.

Component Inspection

INFOID:0000000000961596

COMPONENT INSPECTION

1.

CHECK DOOR KEY CYLINDER SWITCH

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

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

NO

>> Replace front door lock assembly (driver side) (key cylinder switch). Refer to 

DLK-207, "FRONT

DOOR LOCK : Removal and Installation"

. After that,  Refer to 

PWC-41, "Special Repair Require-

ment"

.

Special Repair Requirement

INFOID:0000000000961597

1.

PERFORM INITIALIZATION PROCEDURE

Perform initialization procedure. 
Refer to 

PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special

Repair Requirement"

.

Is the inspection result normal?

Power window main switch connec-

tor

Terminal

Ground

Continuity 

D8

4

Not existed

6

Front door lock assembly (driver side) connector

Terminal

Ground

Continuity 

D15

4

Existed

Terminal

Key position

Continuity

Front door lock assembly (driver side) (key cylinder 

switch) connector

5 

4

Unlock

Existed

Neutral / Lock

Not existed

6

Lock

Existed

Neutral / Unlock

Not existed

PWC-42

< COMPONENT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

DOOR KEY CYLINDER SWITCH

YES

>> Inspection end.

NO

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

POWER WINDOW SERIAL LINK

PWC-43

< COMPONENT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

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F

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PWC

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POWER WINDOW SERIAL LINK

POWER WINDOW MAIN SWITCH

POWER WINDOW MAIN SWITCH : Description

INFOID:0000000000961598

Power window main switch, front power window switch (passenger side), rear power window switch and BCM
transmit and receive the signal by power window serial link.
The signal mentioned below is transmitted from BCM to power window main switch, front power window
switch (passenger side) and rear power window switch.
•  Keyless power window down signal
The signal mentioned below is transmitted from power window main switch to front power window switch (pas-
senger side) and rear power window switch.
• Front passenger side door window and rear door window operation signal
• Power window control by key cylinder switch signal
• Power window lock switch signal
• Retained power operation signal 

POWER WINDOW MAIN SWITCH : Component Function Check

INFOID:0000000000961599

Power Window Serial Link Check (Driver Side)

1.

CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

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

DLK-50, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"

.

Is the inspection result normal?

YES

>> Power window serial link is OK.

NO

>> Refer to 

PWC-43, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"

.

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

INFOID:0000000000961600

Power Window Serial Link Check (Driver Side)

1.

CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

1.

Remove key from ignition switch, and the door of driver side and passenger side is closed.

2.

Check signal between BCM connector and ground with oscilloscope when door lock and unlock switch
(driver side and passenger side) is turned to “LOCK” or “UNLOCK”.

3.

Check that signals which are shown in the figure below can be detected during 10 second just after door
lock and unlock switch (driver side and passenger side) is turned to “LOCK” or “UNLOCK”.

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

Terminal

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal 

M123

132

Ground

PIIA1297E