Nissan Titan. Manual - part 470

FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) CHECK (KING 

CAB)

PWC-53

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

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

6 

5

Unlock

Yes

Neutral/Lock

No

1

Lock

Yes

Neutral/Unlock

No

LIIA1573E

PWC-54

< DTC/CIRCUIT DIAGNOSIS >

POWER WINDOW SERIAL LINK

POWER WINDOW SERIAL LINK

POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description

INFOID:0000000009878999

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:0000000009879000

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

.

Is the inspection result normal?

YES

>> Power window serial link is OK.

NO

>> Refer to 

PWC-54, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"

.

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

INFOID:0000000009879001

Regarding Wiring Diagram information, refer to 

PWC-88, "Wiring Diagram - Crew Cab"

 or 

PWC-81, "Wiring

Diagram - King Cab"

.

1.

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

1. Remove 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

POWER WINDOW SERIAL LINK

PWC-55

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

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) (Crew Cab)

or (C) (King Cab).

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-115, "Removal and Installation"

.

NO

>> Repair or replace harness.

FRONT POWER WINDOW SWITCH
FRONT POWER WINDOW SWITCH : Description

INFOID:0000000009879002

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

Terminal

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal 

M18

22

Ground

PIIA1297E

BCM connector

Terminal

Main power window and door 

lock/unlock switch connector

Terminal

Continuity

M18 (A)

22

D7 (B)

14

Yes

D15 (C)

12

BCM connector

Terminal

Ground

Continuity 

M18 (A)

22

No

ALKIA1537ZZ

PWC-56

< DTC/CIRCUIT DIAGNOSIS >

POWER WINDOW SERIAL LINK

FRONT POWER WINDOW SWITCH : Component Function Check

INFOID:0000000009879003

1.

 CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH 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, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"

.

Is the inspection result normal?

YES

>> Power window serial link is OK.

NO

>> Refer to 

PWC-56, "FRONT POWER WINDOW SWITCH : Diagnosis Procedure"

.

FRONT POWER WINDOW SWITCH : Diagnosis Procedure

INFOID:0000000009879004

Regarding Wiring Diagram information, refer to 

PWC-88, "Wiring Diagram - Crew Cab"

 or 

PWC-81, "Wiring

Diagram - King Cab"

.

1.

 CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH

1. Remove 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

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

PIIA1297E