Nissan Pathfinder. Manual — part 322

DLK-54

< ECU DIAGNOSIS INFORMATION >

AUTOMATIC BACK DOOR CONTROL UNIT

ECU DIAGNOSIS INFORMATION

AUTOMATIC BACK DOOR CONTROL UNIT

Reference Value

INFOID:0000000009175632

VALUES ON THE DIAGNOSIS TOOL

CONSULT MONITOR ITEM

Monitor Item

Condition

Value/Status

SPINDLE SENSOR LH

Back door: Moving

0 – 65535

SPINDLE LH SPEED

Back door: Moving

0 – 6553.5

SPINDLE MOTOR LH DUTY

Back door: Moving

0 – 255

VHCL SPEED MTR

While driving

Equivalent to speedometer

reading

VHCL SPEED ABS

While driving

Equivalent to speedometer

reading

MAIN SW

Automatic back door main switch

OFF

OFF

ON

ON

AUTO BD SW

Automatic back door switch

Release

OFF

Press

ON

BK DOOR CL SW

Automatic back door close switch

Release

OFF

Press

ON

BACK DOOR LOCK STATUS

Back door lock

Lock

OFF

Unlock

ON

PKB SW

Parking brake

Not applied

OFF

Applied

ON

OPEN SW

Back door

Half latch/fully closed

OFF

Applied

ON

CLOSE SW

Back door

Open/half latch

OFF

Fully closed

ON

HALF LATCH SW

Back door

Half latch/fully closed

OFF

Open

ON

TOUCH SEN RH

Touch sensor RH

Other than below

OFF

Detect obstruction

ON

TOUCH SEN LH

Touch sensor LH

Other than below

OFF

Detect obstruction

ON

P RANGE IND

Selector lever

Other than P position

OFF

P position

ON

RKE REQ

Intelligent Key button (back door)

Release

OFF

Press (more than 0.5 sec-
ond)

MOVE

Press (just after)

REV

IGN SW

Ignition switch

Other than ON position

OFF

ON position

ON

SPINDLE LH ENCODER A

Automatic back door

Not operate

No change HI or LO

Operate

Change HI or LO

SPINDLE LH ENCODER B

Automatic back door

Not operate

No change HI or LO

Operate

Change HI or LO

AUTOMATIC BACK DOOR CONTROL UNIT

DLK-55

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

TERMINAL LAYOUT

PHYSICAL VALUES

UNLOCK SEN BD

Back door lock

Lock

LOCK

Unlock

UNLK

DESTINATION

—

OTHER

AUTO BCK DR POS INITIAL

Calibration of automatic back door
position information

Not complete

YET

Complete

DONE

AUTO BCK DR POS LEARN

Additional service when removing
battery negative terminal

Not complete

YET

Complete

DONE

SPINDLE SENSOR RH

Back door: Moving

0 – 65535

SPINDLE RH SPEED

Back door: Moving

0 – 6553.5

SPINDLE MOTOR RH DUTY

Back door: Moving

0 – 255

SPINDLE RH ENCODER A

Automatic back door

Not operate

No change HI or LO

Operate

Change HI or LO

SPINDLE RH ENCODER B

Automatic back door

Not operate

No change HI or LO

Operate

Change HI or LO

TRANSMISSION TYPE

—

AT/CVT

Monitor Item

Condition

Value/Status

ALKIA2844ZZ

Terminal No.

(Wire color)

Description

Condition

Voltage

(Approx.)

(+)

(–)

Signal name

Input/

Output

1

(BR)

13

(SB)

Touch sensor RH sig-
nal

Input

Touch sensor RH

Detect obstruc-
tion

1.8 – 5 V

Other than above

2.72 – 7.27 V

2

(LG)

13

(SB)

Touch sensor LH sig-
nal

Input

Touch sensor LH

Detect obstruc-
tion

1.8 – 2.72 V

Other than above

5.0 – 7.27 V

3

(L)

Ground Half latch switch signal

Input

Back door

Open

0 V

Fully closed/half
latch

Battery voltage

5

(LG)

Ground Close switch signal

Input

Back door

Fully closed

0 V

Open/half latch

Battery voltage

DLK-56

< ECU DIAGNOSIS INFORMATION >

AUTOMATIC BACK DOOR CONTROL UNIT

6

(V)

Ground Encoder LH A signal

Input

Back door

Moving (auto or
manual)

NOTE:
Waveform width changes accord-
ing to back door open/close speed

When stopped

0 V or Battery voltage

7

(Y)

Ground Encoder LH B signal

Input

Back door

Moving (auto or
manual)

NOTE:
Waveform width changes accord-
ing to back door open/close speed

When stopped

0 V or 12 V

8

(BR)

Ground Encoder RH A signal

Input

Back door

Moving (auto or
manual)

NOTE:
Waveform width changes accord-
ing to back door open/close speed

When stopped

0 V or 12 V

9

(L)

Ground Encoder RH B signal

Input

Back door

Moving (auto or
manual)

NOTE:
Waveform width changes accord-
ing to back door open/close speed

When stopped

0 V or 12 V

10

(LG)

Ground

Automatic back door
main switch

Input

Automatic back
door main switch

ON

Battery voltage

OFF

0 V

11

(BR)

Ground Open switch signal

Input

Back door

Open

0 V

Half latch/fully
closed

Battery voltage

12

(W)

Ground CAN - L

Input/

Output

—

—

Terminal No.

(Wire color)

Description

Condition

Voltage

(Approx.)

(+)

(–)

Signal name

Input/

Output

JMKIA1864ZZ

JMKIA1864ZZ

JMKIA1864ZZ

JMKIA1864ZZ

AUTOMATIC BACK DOOR CONTROL UNIT

DLK-57

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Fail Safe

INFOID:0000000009175633

13

(SB)

Ground Touch sensor ground

Input

—

0.01 – 0 V

18

(—)

Ground Ground (noise shield)

—

—

0.01 – 0 V

19

(SB)

Ground

Encoder LH power
supply

Output

—

Battery voltage

20

(Y)

Ground

Encoder RH power
supply

Output

—

Battery voltage

21

(LG)

Ground Encoder ground

—

—

0 V

22

(SB)

Ground

Automatic back door
switch

Input

Automatic back
door switch

Pressed

Battery voltage

Released

0 V

23

(Y)

Ground

Automatic back door
close switch

Input

Automatic back
door close switch

Pressed

Battery voltage

Released

0 V

24

(B)

Ground CAN - H

Input/

Output

—

—

25

(B)

Ground Power supply (BAT)

Input

—

Battery voltage

27

(B)

Ground

Spindle motor LH
(open)

Output

Back door

Auto open opera-
tion

Battery voltage

28

(—)

Ground Ground (noise shield)

—

—

0.01 – 0 V

29

(B)

Ground

Spindle motor RH
(open)

Output

Back door

Auto open opera-
tion

Battery voltage

31

(B)

Ground

Back door closure mo-
tor (open)

Output

Back door

Open operation

Battery voltage

Other than above

0 V

32

(B)

Ground Ground

—

—

0 V

34

(W)

Ground

Spindle motor LH
(close)

Output

Back door

Auto close opera-
tion

Battery voltage

36

(W)

Ground

Spindle motor RH
(close)

Output

Back door

Auto close opera-
tion

Battery voltage

37

(LG)

Ground

Back door warning
chime

Output

Automatic back
door warning
chime

Sounding

0 V

Not sounding

Battery voltage

38

(W)

Ground

Back door closure mo-
tor (close)

Output

Back door

Close operation

Battery voltage

Other than above

0 V

Terminal No.

(Wire color)

Description

Condition

Voltage

(Approx.)

(+)

(–)

Signal name

Input/

Output

Display contents of CONSULT

Fail-safe

Cancellation

U1000 CAN COMM

Inhibit automatic back door operation

Return to normal status.

U1010 CONTROL UNIT (CAN)

Inhibit automatic back door operation

Return to normal status.

B2401 IGN OPEN

Inhibit automatic back door operation

Automatic back door control module
detects ignition switch ON signal via
CAN communication.