Nissan Pathfinder (2008 year). Manual — part 173

BACK DOOR CONTROL UNIT

DLK-285

< ECU DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

BACK DOOR CONTROL UNIT

Reference Value

INFOID:0000000001728558

TERMINAL LAYOUT

PHYSICAL VALUES

ALKIA1246ZZ

Terminal

Wire Col-

or

Item

Condition

Voltage (V)

(Approx.)

1

R/B

Battery power supply

—

Battery voltage

2

Y

Back door cinching latch unit
motor

Back door closing

Battery voltage

Back door opening

0

3

L

Back door cinching latch unit
motor

Back door closing

0

Back door opening

Battery voltage

4

B

Ground

—

—

5

GR

Door lock sensor output

RF door door lock UNLOCKED

0

RF door door lock LOCKED

Battery voltage

6

G

Back door release switch output

Back door release switch ON

0

Back door release switch OFF

Battery voltage

7

BR

Half switch signal

Back door open

0

Back door closed or latching

Battery voltage

8

P

Close switch signal

Back door open or closed

Battery voltage

During opening (5 seconds)

0

9

W

Neutral switch signal

Back door open or closed

Battery voltage

During opening (5 seconds)

0

DLK-286

< ECU DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

BACK DOOR CONTROL UNIT

Wiring Diagram—BACK DOOR OPENER—

INFOID:0000000001728559

ALKWA0147GB

BACK DOOR CONTROL UNIT

DLK-287

< ECU DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

ALKIA0991GB

DLK-288

< ECU DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

BACK DOOR CONTROL UNIT

ALKIA0992GB

BACK DOOR CONTROL UNIT

DLK-289

< ECU DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

ALKIA0993GB

DLK-290

< ECU DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

BACK DOOR CONTROL UNIT

Fail Safe

INFOID:0000000001728560

Fail-safe operation

The back door system operation will be interrupted if the back door control unit loses power.

ALKIA0994GB

DOOR LOCK

DLK-291

< SYMPTOM DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

SYMPTOM DIAGNOSIS

DOOR LOCK

Symptom Table

INFOID:0000000001563757

DOOR LOCK SYSTEM

NOTE:
• Before performing the diagnosis in the following table, check “Work flow”. Refer to

DLK-195, "Work Flow"

.

• If the following symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column

in this order.

Symptom

Repair order

Refer to page

Key reminder door function does not operate
properly.

1. Door switch check

DLK-214

2. Key switch (Insert) check

DLK-241

3. Replace BCM.

BCS-54

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 (driver side)

DLK-217

2. Door lock/unlock switch check (passenger side)

DLK-218

Specific door lock actuator does not operate.

1. Door lock actuator check (Front LH)

DLK-225

2. Door lock actuator check (Front RH)

DLK-226

3. Door lock actuator check (Rear LH)

DLK-227

4. Door lock actuator check (Rear RH)

DLK-229

5. Back door

DLK-230

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

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

DLK-221

2. Replace BCM.

BCS-54

Power door lock does not operate.

1. BCM power supply and ground circuit check

BCS-32

2. Door lock/unlock switch check (driver)

DLK-217

3. Door lock/unlock switch check (passenger)

DLK-218

DLK-292

< SYMPTOM DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

REMOTE KEYLESS ENTRY SYSTEM

REMOTE KEYLESS ENTRY SYSTEM

Symptom Table

INFOID:0000000001563758

REMOTE KEYLESS ENTRY SYSTEM

Symptom

Diagnoses/service procedure

Reference

page

All functions of remote keyless entry system do not
operate.

1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.

DLK-234

2. Check BCM and remote keyless entry receiver.

DLK-232

The new ID of keyfob cannot be entered.

1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.

DLK-234

2. Key switch (insert) check

DLK-241

3. Door switch check

DLK-214

4. ACC power check

BCS-32

5. Replace BCM.

BCS-54

Door lock or unlock does not function.
(If the power door lock system does not operate
manually, check power door lock system)

1. Keyfob battery and function check (use Remote Keyless Entry
Tester J-43241)
NOTE:
If the result of keyfob function check is OK, keyfob is not malfunc-
tioning.

DLK-201

2. Replace BCM.

BCS-54

Hazard and horn reminder does not activate properly
when pressing lock or unlock button of keyfob.

1. Check hazard and horn reminder mode with CONSULT-III
NOTE:
Hazard and horn reminder mode can be changed.
First check the hazard and horn reminder mode setting.

DLK-201

2. Door switch check

DLK-214

3. Replace BCM.

BCS-54

Hazard reminder does not activate properly when
pressing lock or unlock button of keyfob.
(Horn reminder OK)

1. Check hazard reminder mode with CONSULT-III
NOTE:
Hazard reminder mode can be changed.
First check the hazard reminder mode setting.

DLK-201

2. Check hazard function with hazard switch

—

3. Replace BCM.

BCS-54

Horn reminder does not activate properly when
pressing lock or unlock button of keyfob.
(Hazard reminder OK)

1. Check horn reminder mode with CONSULT-III
NOTE:
Horn reminder mode can be changed.
First check the horn reminder mode setting.

DLK-201

2. Check horn function with horn switch

—

3. IPDM E/R operation check

DLK-236

4. Replace BCM.

BCS-54