Nissan Quest E52. Instruction — part 335
DLK-54
< SYSTEM DESCRIPTION >
SYSTEM (AUTOMATIC BACK DOOR SYSTEM)
INTERMITTENT CLUTCH FUNCTION
If the main switch is turned to OFF during auto operation, the back door may be closed suddenly because the
operation is interrupted immediately when the operation cannot be continued because of the detection of a
system malfunction. Therefore, operate the clutch intermittently to stabilize the back door behavior and ensure
safety.
AUTOMATIC BACK DOOR OPEN/CLOSE OPERATION CONDITION
*: If the registered Intelligent Key is used, the operation can be performed even if the back door is in the LOCK position
CONTROL IF NOT WITHIN THE OPERATION CONDITIONS DURING THE OPERATION
If the back door is not within the operation conditions during the operation, the automatic back door control unit
performs the control as follows.
Non-reverse area
• Just after starting the mo-
tor operation
• Full range of closure oper-
ation
• Driving
• Back door open operation
• Closure [open (return the latch to the neutral position)]
Switch operation during reverse op-
eration
Receive
Number of allowable reverse opera-
tions
Perform the intermittent clutch function after 2 reverse operations regardless of the oper-
ation direction
Detection method
Encoder pulse
Touch sensor
Automatic back door switch
Intelligent Key
Automat-
ic back
door close
switch
Back door opener
switch
Operating direction
Fully closed
→
Open
Fully open
→
Closed
Fully
closed
→
Open
Fully open
→
Closed
Fully open
→
Closed
Fully closed
→
Open
Main switch
—
—
—
—
ON
ON
Ignition position
ON
ACC/
LOCK
—
—
—
ON
ACC/
LOCK
Shift selector lever
P position
—
—
—
—
—
P position
—
Vehicle speed
0 km/h
Back door lock condition
—
—
—
—
—
Unlock*
Touch sensor
Normal
Power supply
(Automatic power back
door control unit)
Approx. 11 V or more
Item
(Condition)
Back door condition
Main Switch (ON
→
OFF)
• Motor: OFF
• Clutch: OFF (Intermittent clutch function)
Vehicle stop condition (open operation)
• IGN ON and shift P position
→
IGN ON and
other than P position
• IGN OFF and shift N position
→
IGN ON and
N position
The operation is continued
Operation condition release during the opera-
tion start announcement condition
Automatic back door function does not operate
SYSTEM (AUTOMATIC BACK DOOR SYSTEM)
DLK-55
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
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)] operation
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)] operation
Back door open
Malfunction detected
(IGN circuit, half latch switch and back door
state)
Intermittent clutch function
Item
(Condition)
Back door condition
DLK-56
< SYSTEM DESCRIPTION >
SYSTEM (AUTOMATIC BACK DOOR SYSTEM)
NOTE:
Output sequence for half latch switch, open switch, and close switch may vary depending on reaction force dif-
ference of back door weather-strip. When reaction force of back door weather-strip is strong, refer to a broken
line in the chart.
When reaction force of back door weather-strip is not strong
1.
Buzzer and hazard lamp operate after condition are satisfied.
2.
After buzzer operation (pattern A), back door closure motor starts the open operation.
3.
When the latch is released and reaction force of weather-strip is not strong, half latch switch does not turn
ON, and back door closure motor stops the open operation when open switch turns ON. After this opera-
tion, automatic back door motor and magnet clutch operate, and then back door starts the open operation.
4.
When door is lifted up, half latch switch turns ON, and then back door closure motor operates the reverse
operation and starts returning to the neutral position.
5.
When close switch turns OFF, back door closure motor stops the reverse operation and then completes
returning to the neutral position.
When reaction force of back door weather-strip is strong
1.
Buzzer and hazard lamp operate after condition are satisfied.
2.
After buzzer operation (pattern A), back door closure motor starts the open operation.
3.
When the latch is released, half latch switch turns ON, and then back door closure motor stops the open
operation.
4.
When automatic back door motor and clutch operate and back door starts the open operation, back door
closure motor operates the reverse operation and starts returning to the neutral operation.
5.
When close switch turns OFF, back door closure motor stops the reverse operation and then completes
returning to the neutral position.
JMKIA8015GB
SYSTEM (AUTOMATIC BACK DOOR SYSTEM)
DLK-57
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
L
M
A
B
DLK
N
O
P
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.
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
JMKIA8014GB
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