Nissan Pathfinder (2012 year). Manual - part 501

PWC-38

< DTC/CIRCUIT DIAGNOSIS >

DOOR KEY CYLINDER SWITCH

1. Turn ignition switch OFF.

2. Disconnect main power window and door lock/unlock switch and

front door lock assembly LH (key cylinder switch).

3. Check continuity between main power window and door lock/

unlock switch connector (A) and front door lock assembly LH

(key cylinder switch) connector (B).

4. Check continuity between main power window and door lock/unlock switch connector (A) and ground.

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 LH (key cylinder

switch) 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-38, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-37, "Intermittent Incident"

.

NO

>> Replace front door lock assembly LH (door key cylinder switch). 

Component Inspection

INFOID:0000000007355895

COMPONENT INSPECTION

1.

 CHECK DOOR KEY CYLINDER SWITCH

Main power window 

and door lock/unlock 

switch connector

Terminal

Front door lock as-

sembly LH (key cylin-
der switch) connector

Terminal

Continuity

D7 (A)

4

D14 (B)

5

Yes

6

3

Main power window and door 

lock/unlock switch connector

Terminal

Ground

Continuity 

D7 (A)

4

No

6

ALKIA1212ZZ

Front door lock assembly LH (key 

cylinder switch) connector

Terminal

Ground

Continuity 

D14

4

Yes

LIIA2806E

August 2012

2012 Pathfinder

DOOR KEY CYLINDER SWITCH

PWC-39

< DTC/CIRCUIT DIAGNOSIS >

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D

E

F

G

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A

B

PWC

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O

P

Check front door lock assembly LH (key cylinder switch).

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

NO

>> Replace front door lock assembly LH (key cylinder switch).

Terminal

Key position

Continuity

Front door lock assembly LH 

(key cylinder switch) connector

3 

4

Unlock

Yes

Neutral/Lock

No

5

Lock

Yes

Neutral/Unlock

No

LIIA2807E

August 2012

2012 Pathfinder

PWC-40

< DTC/CIRCUIT DIAGNOSIS >

POWER WINDOW SERIAL LINK

POWER WINDOW SERIAL LINK

POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description

INFOID:0000000007355896

Main power window and door lock/unlock switch, power window and door lock/unlock switch RH and BCM

transmit and receive the signal by power window serial link.

The signal mentioned below is transmitted from BCM to main power window and door lock/unlock switch and

power window and door lock/unlock switch RH

•  Keyless power window down signal

The signal mentioned below is transmitted from main power window and door lock/unlock switch to power win-

dow and door lock/unlock switch RH

• Front door window RH 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:0000000007355897

1.

 CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL

Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-

TEM” with CONSULT. Refer to 

BCS-16, "COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)"

.

Is the inspection result normal?

YES

>> Power window serial link is OK.

NO

>> Refer to 

PWC-40, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"

.

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

INFOID:0000000007355898

Regarding Wiring Diagram information, refer to 

PWC-61, "Wiring Diagram"

.

1.

 CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL

1. Remove Intelligent Key or ignition key, and close front door LH

and RH.

2. Check signal between BCM connector and ground with oscillo-

scope when door lock and unlock switch (LH and RH) 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

(LH and RH) is turned to “LOCK” or “UNLOCK”.

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

LIIA0391E

August 2012

2012 Pathfinder

POWER WINDOW SERIAL LINK

PWC-41

< DTC/CIRCUIT DIAGNOSIS >

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A

B

PWC

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Is the inspection result normal?

YES

>> Power window serial link is OK.

NO

>> GO TO 2

2.

 CHECK POWER WINDOW SERIAL LINK CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM and main power window and door lock/unlock

switch.

3. Check continuity between BCM connector (A) and main power

window and door lock/unlock switch connector (B).

4. Check continuity between BCM connector (A) and ground.

Is the inspection result normal?

YES

>> Replace main power window and door lock/unlock switch. Refer to 

PWC-85, "Removal and Instal-

lation"

.

NO

>> Repair or replace harness.

FRONT POWER WINDOW SWITCH
FRONT POWER WINDOW SWITCH : Description

INFOID:0000000007355899

Main power window and door lock/unlock switch, power window and door lock/unlock switch RH and BCM

transmit and receive the signal by power window serial link.

The signal mentioned below is transmitted from BCM to main power window and door lock/unlock switch and

power window and door lock/unlock switch RH

• Keyless power window down signal

The signal mentioned below is transmitted from main power window and door lock/unlock switch to power win-

dow and door lock/unlock switch RH

• Front door window RH operation signal

• Power window control by key cylinder switch signal

• Retained power operation signal 

• Power window lock switch signal

FRONT POWER WINDOW SWITCH : Component Function Check

INFOID:0000000007355900

1.

 CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH OUTPUT SIGNAL

Terminal

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal 

M18

22

Ground

PIIA2344E

BCM connector

Terminal

Main power window and door 

lock/unlock switch connector

Terminal

Continuity

M18 (A)

22

D7 (B)

14

Yes

ALKIA1026ZZ

BCM connector

Terminal

Ground

Continuity 

M18 (A)

22

No

August 2012

2012 Pathfinder

PWC-42

< DTC/CIRCUIT DIAGNOSIS >

POWER WINDOW SERIAL LINK

Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-

TEM” with CONSULT. Refer to 

BCS-17, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"

.

Is the inspection result normal?

YES

>> Power window serial link is OK.

NO

>> Refer to 

PWC-42, "FRONT POWER WINDOW SWITCH : Diagnosis Procedure"

.

FRONT POWER WINDOW SWITCH : Diagnosis Procedure

INFOID:0000000007355901

Regarding Wiring Diagram information, refer to 

PWC-61, "Wiring Diagram"

.

1.

 CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH

1. Remove Intelligent Key or ignition key, and close the front door

LH and RH.

2. Check signal between BCM connector and ground with oscillo-

scope when door lock and unlock switch (LH and RH) 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

(LH and RH) is turned to “LOCK” or “UNLOCK”.

Is the inspection result normal?

YES

>> Power window serial link is OK.

NO

>> GO TO 2

2.

 CHECK POWER WINDOW SERIAL LINK CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM.

3. Check continuity between BCM connector (A) and power win-

dow and door lock/unlock switch RH connector (B).

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

Terminal

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal 

M18

22

Ground

LIIA0391E

PIIA2344E

BCM connector

Terminal

Power window and door 

lock/unlock switch RH con-

nector

Terminal

Continuity

M18 (A)

22

D105 (B)

16

Yes

ALKIA1027ZZ

August 2012

2012 Pathfinder

POWER WINDOW SERIAL LINK

PWC-43

< DTC/CIRCUIT DIAGNOSIS >

C

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A

B

PWC

N

O

P

4. Check continuity between BCM connector (A) and ground.

Is the inspection result normal?

YES

>> Replace power window and door lock/unlock switch RH. Refer to 

PWC-86, "Removal and Installa-

tion"

.

NO

>> Repair or replace harness.

BCM connector

Terminal

Ground

Continuity 

M18 (A)

22

No

August 2012

2012 Pathfinder

PWC-44

< DTC/CIRCUIT DIAGNOSIS >

POWER WINDOW LOCK SWITCH

POWER WINDOW LOCK SWITCH

Description

INFOID:0000000007355902

Ground circuit of main power window and door lock/unlock switch shuts off if power window lock switch of

main power window and door lock/unlock switch is operated. This inhibits all operation, except for the main

switch.

Component Function Check

INFOID:0000000007355903

1.

 CHECK POWER WINDOW LOCK SIGNAL

Exchanges for a normal main power window and door lock/unlock switch, and operation is checked.
Does power window lock operate?

YES

>> Replace main power window and door lock/unlock switch. Refer to 

PWC-85, "Removal and Instal-

lation"

.

NO

>> Check condition of harness and connector.

August 2012

2012 Pathfinder

POWER WINDOW MAIN SWITCH

PWC-45

< ECU DIAGNOSIS INFORMATION >

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ECU DIAGNOSIS INFORMATION

POWER WINDOW MAIN SWITCH

Reference Value 

INFOID:0000000007355904

TERMINAL LAYOUT

PHYSICAL VALUES

MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH

LIIA2455E

Terminal No.

(Wire color)

Description

Condition

Voltage [V]

(Approx.)

+

–

Signal name 

Input/

Output

1

(R)

Ground

Rear power window motor LH 
UP signal

Output

When rear LH switch in 
power window main switch 
is operated UP.

Battery voltage

2

(BR)

Ground Encoder ground

—

—

0

3

(LG)

Ground

Rear power window motor LH 
DOWN signal

Output

When rear LH switch in 
power window main switch 
is operated DOWN.

Battery voltage

4

(SB)

Ground

Door key cylinder switch LH
LOCK signal

Input

Key position
(Neutral/Unlocked 

→

 

Locked)

5 

→

 0

5

(P)

Ground

Rear power window motor RH 
DOWN signal

Output

When rear RH switch in 
power window main switch 
is operated DOWN.

Battery voltage

6

(R/W)

Ground

Door key cylinder switch LH
UNLOCK signal

Input

Key position
(Neutral/Locked 

→

 Un-

locked)

5 

→

 0

7

(Y)

Ground

Rear power window motor RH 
UP signal

Output

When rear RH switch in 
power window main switch 
is operated UP.

Battery voltage

8

(O)

11

Front door power window mo-
tor LH UP signal

Output

When front LH switch in
power window main switch 
is operated UP.

 Battery voltage

9

(Y)

2

Encoder pulse signal 2

Input

When power window mo-
tor operates.

JMKIA0070GB

August 2012

2012 Pathfinder