Nissan Pathfinder (2006 year). Manual - part 91

POWER DOOR LOCK SYSTEM

BL-29

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2006 Pathfinder

Door Switch Check

EIS007ON

1. 

CHECK DOOR SWITCHES INPUT SIGNAL

With CONSULT-II

Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR
SW") in DATA MONITOR mode with CONSULT–II. Refer to 

BL-27, "DATA MONITOR"

 .

●

When doors are open:

●

When doors are closed:

Without CONSULT-II

Check voltage between BCM connector M18 or M19 terminals 12, 13, 42, 43, 47, 48 and ground.

OK or NG

OK

>> Door switch circuit is OK.

NG

>> GO TO 2.

DOOR SW-DR

: ON

DOOR SW-AS

: ON

DOOR SW-RL

: ON

DOOR SW-RR

: ON

BACK DOOR SW

: ON

DOOR SW-DR

: OFF

DOOR SW-AS

: OFF

DOOR SW-RL

: OFF

DOOR SW-RR

: OFF

BACK DOOR SW

: OFF

LIIA0665E

Connec-

tor

Item

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M19

Back door 

switch

43

Ground

Open

↓

Closed

0

↓

Battery voltage

Front door 

switch LH

47

Rear door 

switch LH

48

M18

Front door 

switch RH

12

Rear door 
switch RH

13

LIIA1041E

BL-30

POWER DOOR LOCK SYSTEM

2006 Pathfinder

2. 

CHECK DOOR SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect door switch and BCM.

3.

Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B18 (Rear LH), B116
(Rear RH) terminal 2 or D502 (Back) terminal 3 and BCM connector M18, M19 terminals 12, 13, 42, 43,
47 and 48.

4.

Check continuity between door switch connector B8 (Front LH),
B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal 2 or
D502 (Back) terminal 3 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK DOOR SWITCHES

FRONT AND REAR DOORS
Check continuity between front or rear door switch terminal 2 and
exposed metal of switch while pressing and releasing switch.

BACK DOOR
Check continuity between back door switch terminals 3 and 1 while
pressing and releasing switch.

OK or NG

OK

>> Check switch case ground condition (front and rear

door) or ground circuit (back door).

NG

>> Replace door switch.

2 - 47

: Continuity should exist.

2 - 12

: Continuity should exist.

2 - 48

: Continuity should exist.

2 - 13

: Continuity should exist.

3 - 43

: Continuity should exist.

2 - Ground

: Continuity should not exist.

3 - Ground

: Continuity should not exist.

WIIA0690E

When front or rear door 
switch is released

: Continuity should exist.

When front or rear door 
switch is pushed

: Continuity should not exist.

WIIA0644E

When back door switch 
is released

: Continuity should exist.

When back door switch 
is pushed

: Continuity should not exist.

WIIA0645E

POWER DOOR LOCK SYSTEM

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2006 Pathfinder

Key Switch (Insert) Check

EIS007OO

1. 

CHECK KEY SWITCH INPUT SIGNAL

With CONSULT-II

Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT–II. Refer to 

BL-27, "DATA MONI-

TOR"

 .

●

When key is inserted to ignition key cylinder:

●

When key is removed from ignition key cylinder:

Without CONSULT-II

Check voltage between BCM connector M18 terminal 37 and
ground.

OK or NG

OK

>> Key switch (insert) circuit is OK.

NG

>> GO TO 2.

2. 

CHECK KEY SWITCH (INSERT)

1.

Turn ignition switch OFF.

2.

Disconnect key switch connector.

3.

Check continuity between key switch terminals.

OK or NG

OK

>> Repair or replace harness or fuse.

NG

>> Replace key switch.

KEY ON SW

: ON

KEY ON SW

: OFF

LIIA0169E

Connec-

tor

Terminal

Condition

Voltage (V)

(+)

(–)

M18

37

Ground

Key is inserted.

Battery voltage

Key is removed.

0

LIIA0567E

Terminals

Condition

Continuity

1 – 2

Key is inserted.

Yes

Key is removed.

No

WIIA0559E

BL-32

POWER DOOR LOCK SYSTEM

2006 Pathfinder

Door Lock/Unlock Switch Check

EIS007OP

1. 

CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL

With CONSULT-II

Check door lock/unlock switch ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MONITOR mode in CON-
SULT–II. Refer to 

BL-27, "DATA MONITOR"

 .

●

When door lock/unlock switch is turned to LOCK:

●

When door lock/unlock switch is turned to UNLOCK:

Without CONSULT-II

Check voltage between BCM connector M19 terminals 45, 46 and ground.

OK or NG

OK

>> Door lock/unlock switch circuit is OK.

NG

>> GO TO 2.

CDL LOCK SW

: ON

CDL UNLOCK SW

: ON

PIIA6538E

Connec-

tor

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(–)

M19

46

Ground

Door lock/unlock switch is 
neutral.

Battery voltage

Door lock/unlock switch is 
turned to UNLOCK.

0

45

Ground

Door lock/unlock switch is 
neutral.

Battery voltage

Door lock/unlock switch is 
turned to LOCK.

0

LIIA1351E

POWER DOOR LOCK SYSTEM

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2006 Pathfinder

2. 

CHECK DOOR LOCK/UNLOCK SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect door lock/unlock switch.

3.

Check continuity between main power window and door lock/
unlock switch terminals 10, 11 and 14.

4.

Check continuity between power window and door lock/unlock
switch RH terminals 1, 2 and 3.

OK or NG

OK

>> GO TO 3.

NG

>> Replace door lock/unlock switch.

3. 

CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS

1.

Disconnect main power window and door lock/unlock switch or power window and door lock/unlock switch
RH.

2.

Check continuity between main power window and door lock/
unlock switch connector D7 terminal 14 and ground.

3.

Check continuity between power window and door lock/unlock
switch RH connector D105 terminal 3 and ground

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

Terminal

Condition

Continuity

10

14

Lock

Yes

Unlock/Neutral

No

11

Unlock

Yes

Lock/Neutral

No

Terminal

Condition

Continuity

1

3

Lock

Yes

Unlock/Neutral

No

2

Unlock

Yes

Lock/Neutral

No

WIIA0675E

14 - Ground

: Continuity should exist.

WIIA0449E

3 - Ground

: Continuity should exist.

WIIA0450E

BL-34

POWER DOOR LOCK SYSTEM

2006 Pathfinder

4. 

CHECK DOOR LOCK SWITCH CIRCUIT

1.

Disconnect BCM.

2.

Check continuity between BCM connector M19 terminal 45 and main power window and door lock/unlock
switch connector D7 terminal 10 or power window and door lock/unlock switch RH connector D105 termi-
nal 1.

3.

Check continuity between BCM connector M19 terminal 45 and
ground.

4.

Check continuity between BCM connector M19 terminal 46 and main power window and door lock/unlock
switch LH connector D7 terminal 11 or power window and door lock/unlock switch RH connector D105 ter-
minal 2.

5.

Check continuity between BCM connector M19 terminal 46 and
ground.

OK or NG

OK

>> Replace BCM. Refer to 

BCS-27, "Removal and Installa-

tion"

 .

NG

>> Repair or replace harness.

1 - 45

: Continuity should exist.

10 - 45

: Continuity should exist.

45 - Ground

: Continuity should not exist.

WIIA0630E

2 - 46

: Continuity should exist.

11 - 46

: Continuity should exist.

46 - Ground

: Continuity should not exist.

WIIA0631E

POWER DOOR LOCK SYSTEM

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2006 Pathfinder

Front Door Lock Assembly LH (Actuator) Check

EIS007OQ

1. 

CHECK DOOR LOCK ACTUATOR SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between BCM connector M20 terminals 59, 65
and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Replace BCM. Refer to 

BCS-27, "Removal and Installation"

 .

2. 

CHECK DOOR LOCK ACTUATOR HARNESS

1.

Disconnect BCM and front door lock assembly LH (actuator).

2.

Check continuity between BCM connector M20 terminals 59, 65
and front door lock assembly LH (actuator) connector D14 termi-
nals 1, 2. 

3.

Check continuity between BCM connector M20 terminals 59, 65
and ground.

OK or NG

OK

>> Replace front door lock assembly LH (actuator). Refer to 

BL-95, "Removal and Installation"

 .

NG

>> Repair or replace harness.

Connector

Terminals 

Condition

Voltage (V)

(Approx.)

(+)

(-)

M20

59

Ground

Driver door lock/unlock 
switch is turned to 
UNLOCK

0 

→

 Battery voltage

65

Driver door lock/unlock 
switch is turned to LOCK

0 

→

 Battery voltage

LIIA1046E

Connector

Terminals

Connector

Terminals

Continuity

M20

59

D14

2

Yes

65

1

Yes

Connector

Terminals

Continuity

M20

59

Ground

No

65

No

WIIA0453E

BL-36

POWER DOOR LOCK SYSTEM

2006 Pathfinder

Front Door Lock Actuator RH Check

EIS007OR

1. 

CHECK FRONT DOOR LOCK ACTUATOR RH SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between BCM connector M20 terminals 65, 66
and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Replace BCM. Refer to 

BCS-27, "Removal and Installation"

 .

2. 

CHECK DOOR LOCK ACTUATOR HARNESS

1.

Disconnect BCM and front door lock actuator RH.

2.

Check continuity between BCM connector M20 terminals 65, 66
and front door lock actuator RH D114 terminals 1, 2. 

3.

Check continuity between BCM connector M19 terminals 65, 66
and ground.

OK or NG

OK

>> Replace front door lock actuator RH. Refer to 

BL-95, "Removal and Installation"

 .

NG

>> Repair or replace harness.

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M20

65

Ground

Door lock/unlock switch is 
turned to LOCK

0 

→

 Battery voltage

66

Door lock/unlock switch is 
turned to UNLOCK

0 

→

 Battery voltage

LIIA1048E

Terminal

Continuity

65

2

Yes

66

1

Yes

Terminals

Continuity

65

Ground

No

66

No

WIIA0454E