Content .. 144 145 146 147 ..

Nissan Pathfinder (2012 year). Manual - part 146

DOOR LOCK AND UNLOCK SWITCH

DLK-63

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DLK

3. Check continuity between BCM connector M18 terminal 22 and ground.

Is the inspection result normal?

YES

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

>> Repair or replace harness.

PASSENGER SIDE
PASSENGER SIDE : Description

INFOID:0000000007355425

Transmits door lock/unlock operation to BCM.

PASSENGER SIDE : Component Function Check

INFOID:0000000007355426

CHECK FUNCTION

With CONSULT

Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT.

Is the inspection result normal?

YES

>> Door lock and unlock switch is OK.

>> Refer to

DLK-63, "PASSENGER SIDE : Diagnosis Procedure"

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000007355427

Regarding Wiring Diagram information, refer to

DLK-139, "Wiring Diagram - With Intelligent Key System"

CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL

22 - 14

: Continuity should exist.

LIIA0394E

22 - Ground

: Continuity should not exist.

LIIA2359E

Monitor item

Condition

CDL LOCK SW

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW

LOCK

: OFF

UNLOCK

: ON

August 2012

2012 Pathfinder

DLK-64

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DOOR LOCK AND UNLOCK SWITCH

With CONSULT

Check power window and door lock/unlock switch RH ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MON-

ITOR mode in CONSULT.

• When power window and door lock/unlock switch RH is turned to LOCK:

• When power window and door lock/unlock switch RH is turned to UNLOCK:

Without CONSULT

1. Remove key from ignition key cylinder.

2. Using an oscilloscope, check the signal between BCM connector M18 terminal 22 and ground when

power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.

3. Make sure the signals which are shown in the figure below can be detected during 10 seconds just after

the power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.

Is the inspection normal?

YES

>> Power window and door lock/unlock switch RH circuit is OK.

>> GO TO 2

CHECK BCM OUTPUT SIGNAL

1. Turn ignition switch OFF.

2. Using the vehicle operational Intelligent Key, press and hold the UNLOCK button for more than 3 sec-

onds.

Is the inspection result normal?

YES

>> GO TO 3

>> Replace BCM. Refer to

BCS-53, "Removal and Installation"

CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS

1. Disconnect power window and door lock/unlock switch RH.

2. Check continuity between power window and door lock/unlock

switch RH connector D105 terminal 11 and ground

Is the inspection normal?

YES

>> GO TO 4

>> Repair or replace harness.

CDL LOCK SW

:ON

CDL UNLOCK SW

:ON

Connector

Terminal

Voltage (V)

( + )

( – )

M18

Ground

PIIA6379E

PIIA1297E

The front windows should be lowered.

11 - Ground

: Continuity should exist.

LIIA1140E

August 2012

2012 Pathfinder

DOOR LOCK AND UNLOCK SWITCH

DLK-65

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DLK

CHECK POWER WINDOW SERIAL LINK CIRCUIT

1. Disconnect BCM.

2. Check continuity between BCM connector M18 terminal 22 and power window and door lock/unlock

switch RH connector D105 terminal 16.

3. Check continuity between BCM connector M18 terminal 22 and ground.

Is the inspection normal?

YES

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

>> Repair or replace harness.

22 - 16

: Continuity should exist.

LIIA0395E

22 - Ground

: Continuity should not exist.

LIIA2359E

August 2012

2012 Pathfinder

DLK-66

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

BACK DOOR OPENER SWITCH

BACK DOOR OPENER SWITCH

Diagnosis Procedure

INFOID:0000000007355428

Regarding Wiring Diagram information, refer to

DLK-151, "Wiring Diagram"

CHECK BACK DOOR OPENER SWITCH

With CONSULT

Check back door opener switch (“BD OPEN SW”) in “DATA MONITOR” mode.

Without CONSULT

1. Turn ignition switch OFF.

2. Check voltage between Intelligent Key Unit connector M164 ter-

minal 24 and ground.

Is the inspection result normal?

YES

>> Back door opener switch is OK.

>> GO TO 2

CHECK BACK DOOR OPENER SWITCH OPERATION

1. Turn ignition switch OFF.

2. Disconnect back door opener switch connector.

3. Check continuity between back door opener switch terminals 1

and 2.

Is the inspection result normal?

YES

>> GO TO 3

>> Replace back door opener switch.

CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT

Check continuity between back door opener switch harness connector D511 terminal 2 and ground.

Monitor item

Condition

BD OPEN SW

Back door opener switch is pressed: ON

Back door opener switch is released: OFF

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M164

Ground

Back door opener switch

is pressed

Back door opener switch

is released

ALKIA1240ZZ

Component

Terminals

Condition

Continuity

Back door

opener

switch

Back door opener switch is pressed

Yes

Back door opener switch is released

WIIA1186E

August 2012

2012 Pathfinder

BACK DOOR OPENER SWITCH

DLK-67

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DLK

Is the inspection result normal?

YES

>> GO TO 4

>> Repair or replace back door opener switch ground cir-

cuit.

CHECK BACK DOOR OPENER SWITCH CIRCUIT

1. Disconnect Intelligent Key unit connector.

2. Check continuity between Intelligent Key Unit harness connector M164 terminal 24 and back door opener

switch harness connector D511 terminal 1.

3. Check continuity between Intelligent Key Unit harness connec-

tor M164 terminal 24 and ground.

Is the inspection result normal?

YES

>> GO TO 5

>> Repair or replace harness between Intelligent Key Unit

and back door opener switch.

CHECK BACK DOOR OPENER SWITCH SIGNAL

1. Connect Intelligent Key Unit connector.

2. Check voltage between back door opener switch harness connector D511 terminal 1 and ground.

Is the inspection result normal?

YES

>> Check condition of harness and connector.

>> Replace Intelligent Key Unit. Refer to

SEC-114,

"Removal and Installation"

2 - Ground

: Continuity should exist.

WIIA1187E

24 - 1

: Continuity should exist.

24 - Ground

: Continuity should not exist.

ALKIA1241ZZ

1 - Ground

: Approx. 5v

WIIA1189E

August 2012

2012 Pathfinder

DLK-68

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

KEY CYLINDER SWITCH

KEY CYLINDER SWITCH

Description

INFOID:0000000007355429

The main power window and door lock/unlock switch detects condition of the door key cylinder switch and

transmits to BCM as the LOCK or UNLOCK signal.

Component Function Check

INFOID:0000000007355430

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

Check "KEY CYL LK-SW" AND "KEY CYL UN-SW" in DATA MONITOR mode for “POWER DOOR LOCK

SYSTEM” with CONSULT.

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

>> Refer to

DLK-68, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000007355431

Regarding Wiring Diagram information, refer to

DLK-139, "Wiring Diagram - With Intelligent Key System"

CHECK DOOR KEY CYLINDER SWITCH LH

With CONSULT

Check front door lock assembly LH (key cylinder switch) ("KEY CYL LK-SW") and ("KEY CYL UN-SW) in

DATA MONITOR mode with CONSULT.

• When key inserted in left front key cylinder is turned to LOCK:

• When key inserted in left front key cylinder is turned to UNLOCK:

Without CONSULT

Check voltage between main power window and door lock/unlock

switch connector D7 terminals 4, 6 and ground.

Is the inspection result normal?

YES

>> Key cylinder switch signal is OK.

Monitor item

Condition

KEY CYL LK-SW

Lock

: ON

Neutral / Unlock

: OFF

KEY CYL UN-SW

Unlock

: ON

Neutral / Lock

: OFF

KEY CYL LK-SW

: ON

KEY CYL UN-SW

: ON

Connector

Terminals

Condition of left front key cylinder

Voltage (V)

(Approx.)

(+)

(–)

Ground

Neutral/Unlock

Lock

Neutral/Lock

Unlock

LIIA0566E

August 2012

2012 Pathfinder

KEY CYLINDER SWITCH

DLK-69

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DLK

>> GO TO 2

CHECK DOOR KEY CYLINDER SWITCH LH GROUND HARNESS

1. Turn ignition switch OFF.

2. Disconnect front door lock assembly LH (key cylinder switch).

3. Check continuity between front door lock assembly LH (key cyl-

inder switch) connector (A) D14 terminal 4 and body ground.

Is the inspection result normal?

YES

>> GO TO 3

>> Repair or replace harness.

CHECK DOOR KEY CYLINDER SWITCH LH

Check continuity between front door lock assembly LH (key cylinder

switch) terminals.

Is the inspection result normal?

YES

>> GO TO 4

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

DLK-202, "Removal and

Installation"

CHECK DOOR KEY CYLINDER HARNESS

Check continuity between main power window and door lock/unlock

switch connector (A) D7 terminals 4, 6 and front door lock assembly

LH (key cylinder switch) connector (B) D14 terminals 3, 5 and body

ground.

Is the inspection result normal?

YES

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

>> Repair or replace harness.

Connector

Terminals

Continuity

D14

4 – Ground

Yes

ALKIA1186ZZ

Terminals

Condition

Continuity

3 – 4

Key is turned to LOCK or neutral.

Key is turned to UNLOCK.

Yes

4 – 5

Key is turned to UNLOCK or neutral.

Key is turned to LOCK.

Yes

ALKIA1183ZZ

Connector

Terminals

Connector

Terminals

Continuity

A: Main

power win-

dow and

door lock/

unlock

switch

B: Front

door lock

assembly

LH (key
cylinder

switch)

Yes

4, 6

Ground

ALKIA1184ZZ

August 2012

2012 Pathfinder

DLK-70

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)

FRONT DOOR LOCK ACTUATOR LH (DOOR UNLOCK SENSOR)

Description

INFOID:0000000007355432

Detects door lock condition of driver door.

Component Function Check

INFOID:0000000007355433

CHECK FUNCTION

With CONSULT

Check door unlock sensor in DATA MONITOR mode.

Is the inspection result normal?

YES

>> Door unlock sensor is OK.

>> Refer to

DLK-70, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000007355434

Regarding Wiring Diagram information, refer to

DLK-151, "Wiring Diagram"

CHECK UNLOCK SENSOR POWER SUPPLY

Check voltage between Intelligent Key unit connector terminal 28 and ground.

Is the inspection result normal?

YES

>> Front door lock assembly LH (door unlock sensor) is

OK.

>> GO TO 2

CHECK UNLOCK SENSOR CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect Intelligent Key unit and front door lock assembly LH

(door unlock sensor) connector.

3. Check continuity between Intelligent Key unit harness connector

(A) M164 terminal 28 and front door lock assembly LH (door

unlock sensor) harness connector (B) D14 terminal 6.

4. Check continuity between Intelligent Key unit harness connector

(A) M164 terminal 28 and ground.

Is the inspection result normal?

YES

>> GO TO 3

>> Repair or replace harness between Intelligent Key unit and front door lock assembly LH (door

unlock sensor).

Monitor item

Condition

DOOR STAT SW (DR DOOR STATE)

Front door lock (driver side) LOCK : OFF

Front door lock (driver side) UNLOCK : ON

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M164

Ground

Driver side door lock is locked

Driver side door lock is un-
locked

WIIA1190E

28 – 6

: Continuity should exist.

28 – Ground

: Continuity should not exist.

ALKIA1185ZZ

August 2012

2012 Pathfinder

Content .. 144 145 146 147 ..