Nissan Pathfinder (2012 year). Instruction — part 5
AUTOMATIC DRIVE POSITIONER SYSTEM
ADP-25
< SYSTEM DESCRIPTION >
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DETAIL FLOW
ENTRY ASSIST FUNCTION : Component Parts Location
INFOID:0000000008807316
Item
Request status
Seat
The vehicle is not moved after performing the
exit assist function.
Switch inputs
• Power seat switch
• Pedal adjusting switch
• Door mirror control switch
• Set switch
• Memory switch
OFF
(Not operated)
A/T selector lever
P position
Order
Input
Output
Control unit condition
1
Door switch/Ignition
switch
—
Driver seat control unit receives the signals of ignition switch signal
and front door switch from BCM via CAN communication.
2
—
Motor (sliding)
Driver seat control unit operates the sliding motor when the operating
conditions are satisfied.
Sensor (sliding)
—
Sensor monitors the operating positions of seat and then stops the
operation of motor when seat reaches the recorded address.
ALJIA0735ZZ
August 2012
2012 Pathfinder
ADP-26
< SYSTEM DESCRIPTION >
AUTOMATIC DRIVE POSITIONER SYSTEM
ENTRY ASSIST FUNCTION : Component Description
INFOID:0000000007356102
CONTROL UNITS
INPUT PARTS
Switches
Sensors
OUTPUT PARTS
1.
A. BCM M18, M19, M20
B. Pedal adjusting motor E109, E110
(view with lower instrument panel LH
removed)
2.
A. Door mirror LH D18, RH D118
B. Front door switch LH B8
3.
Seat memory switch D5
4.
A. Pedal adjusting switch M96
B. Door mirror remote control switch
M163
5.
A. A/T selector lever
B. A/T shift selector (park position
switch (Intelligent Key system))
M158
6.
A. Sliding motor LH B204, reclining
motor LH B232, lifting motor (front)
B206, lifting motor (rear) B207
B. Driver seat control unit B202,
B203
C. Power seat switch LH B208
(front seat LH view)
7.
A. Automatic drive positioner control
unit M33, M34
B. Circuit breaker-2 M82 (view with
instrument panel removed)
Item
Function
Driver seat control unit
According to the ignition signal and front door switch LH signal from BCM,
• Operates the seat sliding motor for a constant amount.
BCM
Recognizes the following status and transmits it to the driver seat control unit via
CAN communication.
• Front door LH: OPEN/CLOSE
• Ignition switch position: ACC/ON
Item
Function
Front door switch LH
Detect front door LH open/close status.
Item
Function
Sliding sensor
Detect the front/rear position of seat.
Item
Function
Sliding motor
Slide the seat forward/backward.
August 2012
2012 Pathfinder
DIAGNOSIS SYSTEM (DRIVER SEAT C/U)
ADP-27
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (DRIVER SEAT C/U)
Diagnosis Description
INFOID:0000000007356103
The auto drive positioner system can be checked and diagnosed for component operation with CONSULT.
DIAGNOSTIC MODE
CONSULT Function
INFOID:0000000007356104
SELF-DIAGNOSIS RESULTS
.
DATA MONITOR
Diagnostic mode
[AUTO DRIVE POS.]
Description
WORK SUPPORT
Changes the setting of each function.
SELF-DIAG RESULTS
Performs self-diagnosis for the auto drive positioner system and displays the results.
DATA MONITOR
Displays input signals transmitted from various switches and sensors to driver seat con-
trol unit in real time.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST
Drive each output device.
ECU PART NUMBER
Displays part numbers of driver seat control unit parts.
Monitor Item
Unit
Main
Signals
Selection
From
Menu
Contents
SET SW
“ON/OFF”
×
×
ON/OFF status judged from the setting switch signal.
MEMORY SW 1
“ON/OFF”
×
×
ON/OFF status judged from the seat memory switch 1 sig-
nal.
MEMORY SW 2
“ON/OFF”
×
×
ON/OFF status judged from the seat memory switch 2 sig-
nal.
SLIDE SW–FR
“ON/OFF”
×
×
ON/OFF status judged from the sliding switch (forward) sig-
nal.
SLIDE SW–RR
“ON/OFF”
×
×
ON/OFF status judged from the sliding switch (backward)
signal.
RECLN SW–FR
“ON/OFF”
×
×
ON/OFF status judged from the reclining switch (forward)
signal.
RECLN SW–RR
“ON/OFF”
×
×
ON/OFF status judged from the reclining switch (backward)
signal.
LIFT FR SW–UP
“ON/OFF”
×
×
ON/OFF status judged from the lifting switch front (up) sig-
nal.
LIFT FR SW–DN
“ON/OFF”
×
×
ON/OFF status judged from the lifting switch front (down)
signal.
LIFT RR SW–UP
“ON/OFF”
×
×
ON/OFF status judged from the lifting switch rear (up) sig-
nal.
LIFT RR SW–DN
“ON/OFF”
×
×
ON/OFF status judged from the lifting switch rear (down)
signal.
MIR CON SW–UP
“ON/OFF”
×
×
ON/OFF status judged from the mirror switch (up) signal.
MIR CON SW–DN
“ON/OFF”
×
×
ON/OFF status judged from the mirror switch (down) signal.
MIR CON SW–RH
“ON/OFF”
×
×
ON/OFF status judged from the door mirror remote control
switch (passenger side) signal.
MIR CON SW–LH
“ON/OFF”
×
×
ON/OFF status judged from the door mirror remote control
switch (driver side) signal.
August 2012
2012 Pathfinder
ADP-28
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (DRIVER SEAT C/U)
ACTIVE TEST
CAUTION:
When driving vehicle, do not perform active test.
WORK SUPPORT
MIR CHNG SW–R
“ON/OFF”
×
×
ON/OFF status judged from the door mirror remote control
switch (switching to right) signal.
MIR CHNG SW–L
“ON/OFF”
×
×
ON/OFF status judged from the door mirror remote control
switch (switching to left) signal.
PEDAL SW-FR
“ON/OFF”
×
×
ON/OFF status judged from the pedal adjusting switch (for-
ward) signal.
PEDAL SW-RR
“ON/OFF”
×
×
ON/OFF status judged from the pedal adjusting switch
(backward) signal.
P POSI SW
“ON/OFF”
×
×
The selector lever position “ON (P position) / OFF (other
than P position)” judged from the park position switch sig-
nal.
STARTER SW
“ON/OFF”
×
×
Ignition key switch ON (START, ON) /OFF (ACC, OFF) sta-
tus judged from the ignition switch signal.
SLIDE PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves backward, the value increases. If it moves forward,
the value decreases.
RECLN PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves backward, the value increases. If it moves forward,
the value decreases.
LIFT FR PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.
LIFT RR PULSE
—
–
×
Value (32768) when battery connections are standard. If it
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.
MIR/SEN RH U–D
“V”
–
×
Voltage input from door mirror sensor (passenger side) up/
down is displayed.
MIR/SEN RH R–L
“V”
–
×
Voltage input from door mirror sensor (passenger side) left/
right is displayed.
MIR/SEN LH U–D
“V”
–
×
Voltage input from door mirror sensor (driver side) up/down
is displayed.
MIR/SEN LH R–L
“V”
–
×
Voltage input from door mirror sensor (driver side) left/right
is displayed.
PEDAL SEN
“V”
–
×
Pedal position (voltage) judged from the pedal adjusting
sensor signal is displayed.
Monitor Item
Unit
Main
Signals
Selection
From
Menu
Contents
Test item
Description
SEAT SLIDE
Activates/deactivates the sliding motor.
SEAT RECLINING
Activates/deactivates the reclining motor.
SEAT LIFTER FR
Activates/deactivates the lifting motor (front).
SEAT LIFTER RR
Activates/deactivates the lifting motor (rear).
PEDAL MOTOR
Activates/deactivates the pedal adjusting motor.
MIRROR MOTOR RH
Activates/deactivates the mirror motor (passenger side).
MIRROR MOTOR LH
Activates/deactivates the mirror motor (driver side).
MEMORY SW INDCTR
Turns ON/OFF the memory indicator.
August 2012
2012 Pathfinder
DIAGNOSIS SYSTEM (DRIVER SEAT C/U)
ADP-29
< SYSTEM DESCRIPTION >
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Work item
Content
Item
SEAT SLIDE VOLUME SET
The amount of seat sliding for entry/exit assist can be selected
from 3 items.
40 mm
80 mm
150 mm
EXIT SEAT SLIDE SETTING
Entry/exit assist (seat) can be selected:
ON (operated) – OFF (not operated)
ON
OFF
August 2012
2012 Pathfinder
ADP-30
< DTC/CIRCUIT DIAGNOSIS >
U1000 CAN COMM CIRCUIT
DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000007356105
LAN-53, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000007356106
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON and wait at least 3 seconds.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000007356107
LAN-14, "Trouble Diagnosis Flow Chart"
Special Repair Requirement
INFOID:0000000007356108
Refer to Owner’s Instruction.
DTC
Trouble diagnosis
name
DTC detecting condition
Possible cause
U1000
CAN COMM CIR-
CUIT
• Driver seat control unit cannot communicate to other
control units.
• Driver seat control unit cannot communicate for more
than the specified time.
• Harness or connectors
(CAN communication line is
open or shorted)
August 2012
2012 Pathfinder
B2112 SLIDING MOTOR
ADP-31
< DTC/CIRCUIT DIAGNOSIS >
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B2112 SLIDING MOTOR
Description
INFOID:0000000007356109
• The seat sliding motor is installed to the seat frame assembly.
• The seat sliding motor is installed with the driver seat control unit.
• Slides the seat frontward/rearward by changing the rotation direction of sliding motor.
DTC Logic
INFOID:0000000007356110
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> Inspection End.
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to
Diagnosis Procedure
INFOID:0000000007356111
Regarding Wiring Diagram information, refer to
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check “Self diagnostic result” with CONSULT.
3. Erase the DTC.
4. Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2.
NO
>> Check intermittent incident. Refer to
GI-37, "Intermittent Incident"
.
2.
CHECK SLIDING MOTOR CIRCUIT (POWER SHORT)
1. Turn ignition switch OFF.
2. Disconnect sliding motor and driver seat control unit connector.
3. Check voltage between sliding motor harness connector and ground.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2112
SEAT SLIDE
The driver seat control unit detects the output of slid-
ing motor output terminal for 0.1 second or more
even if the sliding switch is not input.
• Driver seat control unit
August 2012
2012 Pathfinder
ADP-32
< DTC/CIRCUIT DIAGNOSIS >
B2112 SLIDING MOTOR
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair circuit for short to voltage.
3.
CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL
1. Connect driver seat control unit connector.
2. Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace driver seat control unit. Refer to
ADP-149, "Removal and Installation"
4.
CHECK INTERMITTENT INCIDENT
GI-37, "Intermittent Incident"
>> Inspection End.
(+)
(–)
Voltage (V)
(Approx.)
Sliding motor
Connector
Terminals
B204
1
Ground
0
5
(+)
(–)
Voltage (V)
(Approx.)
Driver seat control unit
Connector
Terminals
B203
35
Ground
0
42
August 2012
2012 Pathfinder
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