Infiniti QX56 (Z62). Manual - part 392

DLK-34

< SYSTEM DESCRIPTION >

SYSTEM (AUTOMATIC BACK DOOR SYSTEM)

TIME CHART FOR AUTOMATIC POWER BACK DOOR SYSTEM

Fully Closed to Fully Open Operation

When operating the automatic back door switch, automatic back door opener switch and Intelligent Key in the
fully closed position, the system operates as follows.

Vehicle speed
(0 km/h 

→

 More than 0 km/h)

Open operation

Operation stop and intermittent clutch function [Back 
door fully closed or buzzer sounds until the vehicle 
stops (pattern C)]

Close operation

The operation is continued [buzzer sounds (pattern C) 
until back door fully closed]

Touch sensor
(Normal 

→

 Open)

Open operation

The operation is continued (If the pinch is detected af-
ter that, the system switches to the intermittent clutch 
function)

Close operation

Intermittent clutch function

Closure (close) opera-
tion

Closure (open) operation and buzzer sounds (pattern 
B)

Closure [open (return 
the latch to the neutral 
position)]

The operation is continued

Operation time
(More than approx. 30 sec.)

Intermittent clutch function

Back door opener switch
(OFF 

→

 ON)

Open/close operation

The operation is continued

Closure (close) opera-
tion

Closure (open) operation and back door open

Closure [open (return 
the latch to the neutral 
position)]

Back door open

Malfunction detected
(IGN circuit, half latch switch and back door 
state)

Intermittent clutch function

Item

(Condition)

Back door condition

SYSTEM (AUTOMATIC BACK DOOR SYSTEM)

DLK-35

< SYSTEM DESCRIPTION >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

1.

Operates the buzzer and hazard after the operation enable conditions are established

2.

The back door closure motor performs the open operation after the buzzer (pattern A) stops sounding

3.

Stops the back door closure motor open operation after turning the open switch to ON
Then, operate the automatic back door motor and clutch to perform the back door open operation

4.

The back door closure motor performs the close operation after turning the half latch switch to ON

5.

Stop the back door closure motor close operation and return the latch to the neutral position after turning
the close switch to OFF

NOTE:
In the operation of steps 3 and 4, the inputs of half latch switch, open switch, and close switch may be different
according to the reaction force of the back door weather-strip. Refer to the area encircled by a broken line in
the Time chart (Fully closed to fully open operation)

Fully Open to Fully Closed Operation

When operating the automatic back door switch, automatic back door close switch and Intelligent Key, the
automatic back door system operates as follows.

JMKIA5203GB

DLK-36

< SYSTEM DESCRIPTION >

SYSTEM (AUTOMATIC BACK DOOR SYSTEM)

1.

Operates the buzzer and hazard after the operation enable conditions are established

2.

After the buzzer (pattern A) stops sounding, operates the automatic back door motor and clutch to perform
the back door close operation 

3.

The back door closure motor performs the close operation after 300 msec. or more from turning the half
latch switch to OFF

4.

The back door closure motor performs the open operation after turning the close switch to ON

5.

Stop the back door closure motor open operation and return the latch to the neutral position after turning
the close switch to OFF

JMKIA5204GB

SYSTEM (INTEGRATED HOMELINK TRANSMITTER)

DLK-37

< SYSTEM DESCRIPTION >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

SYSTEM (INTEGRATED HOMELINK TRANSMITTER)

System Description

INFOID:0000000006256146

Item

Function

Integrated homelink transmitter

A maximum of 3 radio signals can be stored and transmitted to operate the garage door, etc.