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Nissan Pathfinder (2005 year). Instruction - part 92

POWER DOOR LOCK SYSTEM

BL-23

2005 Pathfinder

WIWA0540E

BL-24

POWER DOOR LOCK SYSTEM

2005 Pathfinder

WIWA0541E

POWER DOOR LOCK SYSTEM

BL-25

2005 Pathfinder

Terminals and Reference Value for BCM

EIS003Y4

Work Flow

EIS003Y5

Check the symptom and customer's requests.

Understand the outline of system. Refer to

BL-17, "System Description"

According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to

BL-28,

"Trouble Diagnoses Symptom Chart"

Does power door lock system operate normally? OK: GO TO 5, NG: GO TO 3.

Inspection End.

Termi-

nal

Wire

Color

Item

Condition

Voltage (V)

(Approx.)

Front door lock assembly LH
(key cylinder switch) (unlock)

OFF (neutral)

→

ON (unlocked)

→

Front door lock assembly LH
(key cylinder switch) (lock)

OFF (neutral)

→

ON (locked)

→

Front door switch RH

Door close (OFF)

→

Door open (ON)

Battery voltage

→

Rear door switch RH

Door close (OFF)

→

Door open (ON)

Battery voltage

→

Key switch (insert)

Key inserted in IGN key cylinder (ON)

→

Key removed from IGN key cylinder

(OFF)

Battery voltage

→

CAN-H

—

CAN-L

—

Back door switch

Door open (ON)

→

Door close (OFF)

→

Battery voltage

Lock switch signal

Door lock and unlock switch (neutral)

→

Door lock and unlock switch (locked)

Battery voltage

→

Unlock switch signal

Door lock and unlock switch (neutral)

→

Door lock and unlock switch (unlocked)

Battery voltage

→

Front door switch LH

Door close (OFF)

→

Door open (ON)

Battery voltage

→

Rear door switch LH

Door close (OFF)

→

Door open (ON)

Battery voltage

→

R/Y

Power source (BAT)

—

Battery voltage

Front door lock assembly LH
and fuel lid door lock actuator
(unlock)

Door lock and unlock switch

(neutral

→

unlocked)

→

Battery voltage

All door lock actuators (lock)

Door lock and unlock switch

(neutral

→

lock)

→

Battery voltage

Front door lock actuator RH,
rear door lock actuators LH/RH
and back door lock actuator
(unlock)

Door lock and unlock switch

(neutral

→

unlocked)

→

Battery voltage

Ground

—

Power source (BAT)

—

Battery voltage

BL-26

POWER DOOR LOCK SYSTEM

2005 Pathfinder

CONSULT–II Function (BCM)

EIS003Y6

CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.

CONSULT–II INSPECTION PROCEDURE

"DOOR LOCK"

CAUTION:

If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.

Turn ignition switch OFF.

Connect CONSULT-II and CONSULT-II CONVERTER to the
data link connector.

Turn ignition switch ON.

Touch “START (NISSAN BASED VHCL)”.

Touch “BCM”.
If "BCM" is not indicated, refer to

GI-38, "CONSULT-II Data Link

Connector (DLC) Circuit"

BCM diagnostic

test item

Diagnostic mode

Description

Inspection by part

WORK SUPPORT

Supports inspections and adjustments. Commands are transmitted to the BCM
for setting the status suitable for required operation, input/output signals are
received from the BCM and received data is displayed.

DATA MONITOR

Displays BCM input/output data in real time.

ACTIVE TEST

Operation of electrical loads can be checked by sending drive signal to them.

SELF-DIAG RESULTS

Displays BCM self-diagnosis results.

CAN DIAG SUPPORT MNTR

The result of transmit/receive diagnosis of CAN communication can be read.

ECU PART NUMBER

BCM part number can be read.

CONFIGURATION

Performs BCM configuration read/write functions.

BBIA0538E

BCIA0029E

BCIA0030E

POWER DOOR LOCK SYSTEM

BL-27

2005 Pathfinder

Touch “DOOR LOCK”.

Select diagnosis mode.
"WORK SUPPORT", “DATA MONITOR” and “ACTIVE TEST”
are available.

WORK SUPPORT

DATA MONITOR

ACTIVE TEST

LIIA1137E

BCIA0031E

Work item

Content

DOOR LOCK-UNLOCK SET

Select unlock mode can be changed in this mode. Selects ON-OFF of select unlock mode.

ANTI-LOCK OUT SET

Key reminder door mode can be changed in this mode. Selects ON-OFF of key reminder door
mode.

Monitor item "OPERATION"

Content

KEY ON SW

"ON/OFF"

Indicates [ON/OFF] condition of key switch.

CDL LOCK SW

"ON/OFF"

Indicates [ON/OFF] condition of lock signal from lock/unlock switch LH and RH.

CDL UNLOCK SW

"ON/OFF"

Indicates [ON/OFF] condition of unlock signal from lock/unlock switch LH and RH.

KEY CYL LK-SW

"ON/OFF"

Indicates [ON/OFF] condition of lock signal from key cylinder.

KEY CYL UN-SW

"ON/OFF"

Indicates [ON/OFF] condition of unlock signal from key cylinder.

IGN ON SW

"ON/OFF"

Indicates [ON/OFF] condition of ignition switch.

DOOR SW–DR

"ON/OFF"

Indicates [ON/OFF] condition of front door switch LH.

DOOR SW–AS

"ON/OFF"

Indicates [ON/OFF] condition of front door switch RH.

DOOR SW–RR

"ON/OFF"

Indicates [ON/OFF] condition of rear door switch RH.

DOOR SW–RL

"ON/OFF"

Indicates [ON/OFF] condition of rear door switch LH.

BACK DOOR SW

"ON/OFF"

Indicates [ON/OFF] condition of back door switch.

Test item

Content

DOOR LOCK

ALL LOCK/UNLOCK

This test is able to check all door lock actuators lock operation. These actuators lock
when "ON" on CONSULT–II screen is touched.

DR UNLOCK

This test is able to check front door lock assembly LH unlock operation.These actua-
tors lock when "ON" on CONSULT–II screen is touched.

OTHER UNLOCK

This test is able to check door lock actuators (except front door lock assembly LH)
unlock operation.These actuators unlock when "ON" on CONSULT–II screen is
touched.

BL-28

POWER DOOR LOCK SYSTEM

2005 Pathfinder

Trouble Diagnoses Symptom Chart

EIS003Y7

BCM Power Supply and Ground Circuit Check

EIS003Y8

CHECK FUSE

Check the following BCM fuse and fusible link.

NOTE:
Refer to

BL-16, "Component Parts and Harness Connector Location"

OK or NG

>> GO TO 2.

>> If fuse is blown, be sure to eliminate cause of problem before installing new fuse, refer to

PG-4,

"POWER SUPPLY ROUTING CIRCUIT"

CHECK POWER SUPPLY CIRCUIT

Turn ignition switch OFF.

Disconnect BCM.

Check voltage between BCM connector M20 terminals 57, 70
and ground.

OK or NG

>> GO TO 3.

>> Repair or replace harness.

Symptom

Repair order

Refer to page

Key reminder door system does not operate
properly.

1. Door switch check

BL-29

2. Key switch (Insert) check

BL-31

3. Replace BCM.

BCS-19

Power door lock does not operate with door lock
and unlock switch on main power window and
door lock/unlock switch or power window and
door lock/unlock switch RH.

1. Door lock/unlock switch check

BL-32

Front door lock assembly LH does not operate.

1. Front door lock assembly LH (actuator) check

BL-35

Specific door lock actuator does not operate.

1. Front door lock assembly RH (actuator) check

BL-36

2. Back door lock actuator and rear door lock
actuator LH/RH check

BL-37

Fuel lid door lock actuator does not operate.

1. Fuel lid door lock actuator check

BL-38

Power door lock does not operate with front door
key cylinder LH operation.

1. Front door lock assembly LH (key cylinder
switch) check

BL-39

2. Replace BCM.

BCS-19

Power door lock does not operate.

1. BCM power supply and ground circuit check

BL-28

2. Door lock/unlock switch check

BL-32

Component Parts

Terminal No. (SIGNAL)

Ampere

No.

Location

BCM

57 (BAT power supply)

10A

Fuse block (J/B)

BCM

70 (BAT power supply)

50A

Fuse and fusible link box

Connector

Terminals

(Wire color)

Voltage (V)

(Approx.)

(+)

(-)

M20

Ground

Battery voltage

LIIA1039E

POWER DOOR LOCK SYSTEM

BL-29

2005 Pathfinder

CHECK GROUND CIRCUIT

Check continuity between BCM connector M20 terminal 67 and
ground.

OK or NG

>> Power supply and ground circuit is OK.

>> Repair or replace harness.

Door Switch Check

EIS003Y9

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 any doors are open:

●

When any 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

>> System is OK.

>> GO TO 2.

Connector

Terminals

(Wire color)

Continuity

(+)

(-)

M20

Ground

Yes

LIIA1040E

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 (Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

M19

Back door

switch

Ground

Open

↓

Closed

↓

Battery voltage

Front door

switch LH

Rear door

switch LH

M18

Front door

switch RH

Rear door
switch RH

LIIA1041E

BL-30

POWER DOOR LOCK SYSTEM

2005 Pathfinder

CHECK DOOR SWITCH CIRCUIT

Turn ignition switch OFF.

Disconnect door switch and BCM.

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.

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

>> GO TO 3.

>> Repair or replace harness.

CHECK DOOR SWITCHES

Check continuity between door switch connector terminals.

OK or NG

>> Check switch case ground condition (front and rear

door) or ground circuit (back door).

>> Replace door switch.

2 - 47