Nissan Pathfinder: Automatic Drive Positioner - System Description

Nissan Pathfinder (R53) 2022-2025 Service Manual / Body Interior :: Automatic Drive Positioner / System Description

Component Parts. Automatic Drive Positioner System
Diagnosis System (driver Seat Control Unit)

Component Parts. Automatic Drive Positioner System Nissan Pathfinder Fifth generation

Component Parts Location

A.	Bottom of steering column (view with steering column removed)	B.	Seat memory switch (view with front door finisher LH removed)	C.	Underside side of front LH seat (view with seat disassembled)
D.	Front side of front LH seat (view with seat disassembled)

No.	Component		Function
1.	Passenger door mirror control module (if so equipped)		Operates door mirror RH with the signal from the BCM. Refer to Component Parts Location for detailed component location.
2.	Door mirror RH	Door mirror motor	Makes mirror face operate from side to side and up and down with the electric power that passenger door mirror control unit supplies. Refer to Component Parts Location for detailed component location.
2.	Door mirror RH	Mirror sensor	Mirror sensor is installed to door mirror. The resistance of 2 sensors (horizontal and vertical) is changed when door mirror is operated. Refer to Component Parts Location for detailed component location.
3.	Automatic drive positioner control unit (if so equipped)		Refer to Automatic Drive Positioner Control Unit.
4.	ABS (Anti-Lock Braking System) actuator and electric unit (control unit)		Transmits the Nissan Pathfinder vehicle speed signal to driver seat control unit via CAN communication. Refer to Component Parts Location for detailed component location.
5.	TCM (Transmission Control Module)		Transmit the electric shift selector signal to driver seat control unit via CAN communication. Refer to Component Parts Location for detailed component location.
6.	AV control unit		Transmits the user information signal to driver seat control unit via CAN communication. Refer to Component Parts Location for detailed component location.
7.	BCM (Body Control Module)		Recognizes the following statuses and transmits them to driver seat control unit via CAN communication: Handle position: LHD Driver door: OPEN/CLOSE Ignition switch position: ACC/ON Door lock: UNLOCK (with Intelligent Key or front LH door request switch operation) Key ID Starter: CRANKING/OTHER Refer to System Description.
8.	Combination meter		Transmits the Nissan Pathfinder vehicle speed signal to driver seat control unit via CAN communication. Refer to Component Part Location (Full TFT Meter) or Component Part Location (7 Inch Information Display Meter) for detailed component location.
9.	ADP (Automatic Drive Positioner) steering switch (if so equipped)		Transmits the tilt/telescopic motor request signal to the automatic drive positioner control unit.
10.	Door mirror LH	Door mirror motor	Makes mirror face operate from side to side and up and down with the electric power that main power window and door mirror switch supplies. Refer to Component Parts Location for detailed component location.
10.	Door mirror LH	Mirror sensor	Mirror sensor is installed to door mirror. The resistance of 2 sensors (horizontal and vertical) is changed when door mirror is operated. Refer to Component Parts Location for detailed component location.
11.	Front door lock assembly LH (door switch)		Detects door open/close condition and transmits it to BCM. Refer to Component Parts Location for detailed component location.
12.	Tilt motor (if so equipped)	Tilt motor	Tilt motor is installed to the steering column. Tilt motor is activated with automatic drive positioner control unit. Moves the steering wheel upward/downward by changing the rotation direction of tilt motor.
12.	Tilt motor (if so equipped)	Tilt sensor	Tilt sensor is integrated in telescopic motor. The pulse signal is inputted to automatic drive positioner control unit when tiliting is performed. Automatic drive positioner control unit counts the pulse and calculates the tilt amount of the steering wheel.
13.	Telescopic motor (if so equipped)	Telescopic motor	Telescopic motor is installed to the steering column. Telescopic motor is activated with automatic drive positioner control unit. Moves the steering wheel forward/backward by changing the rotation direction of telescopic motor.
13.	Telescopic motor (if so equipped)	Telescopic sensor	Telescopic sensor is integrated in telescopic motor. The pulse signal is inputted to automatic drive positioner control unit when telescoping is performed. Automatic drive positioner control unit counts the pulse and calculates the telescopic amount of the steering wheel.
14.	Seat memory switch		Refer to Seat Memory Switch.
15.	Lifting motor LH (front)	Lifting motor	Lifting motor LH (front) is installed to seat frame assembly (front LH side). Lifting motor LH (front) is activated with driver seat control unit. Lifting motor LH (front) is moved upward/downward by changing the rotation direction of lifting motor LH (front).
15.	Lifting motor LH (front)	Lifting sensor	Lifting motor sensor LH (front) is installed to seat side cushion frame. The pulse signal is inputted to driver seat control unit when lifting (front) is operated. Driver seat control unit counts the pulse and calculates the lifting (front) amount of the seat.
16.	Sliding motor LH	Sliding motor	Sliding motor is installed to the seat cushion frame. Sliding motor is activated with driver seat control unit. Slides the seat forward/backward by changing the rotation direction of sliding motor.
16.	Sliding motor LH	Sliding sensor	Sliding sensor is integrated in sliding motor. The pulse signal is inputted to driver seat control unit when sliding is performed. Driver seat control unit counts the pulse and calculates the sliding amount of the seat.
17.	Driver seat control unit		Refer to Driver Seat Control Unit.
18.	Power seat switch LH	Sliding switch	Sliding switch is integrated to power seat switch on seat cushion side surface. The operation signal is inputted to driver seat control unit when sliding switch is operated.
		Reclining switch	Reclining switch is integrated to power seat switch on seat cushion side surface. The operation signal is inputted to driver seat control unit when reclining switch is operated.
		Lifting switch (front)	Lifting switch (front) is integrated to power seat switch on seat cushion side surface. The operation signal is inputted to driver seat control unit when lifting switch (front) is operated.
		Lifting switch (rear)	Lifting switch (rear) is integrated to power seat switch on seat cushion side surface. The operation signal is inputted to driver seat control unit when lifting switch (rear) is operated.
19.	Lumbar support switch (with 4 way lumbar) (if so equipped)		Sends signal to driver seat control unit for lumbar support motor via CAN communication.
20.	Lifting motor LH (rear)	Lifting motor	Lifting motor LH (rear) is installed to seat frame assembly (front LH side). Lifting motor LH (rear) is activated with driver seat control unit. Lifting motor LH (rear) is moved upward/downward by changing the rotation direction of lifting motor LH (rear).
20.	Lifting motor LH (rear)	Lifting sensor	Lifting motor sensor LH is installed in lifting motor LH (rear). When lifting motor LH (rear) operates, pulse signal is transmitted to driver seat control unit from lifting sensor. Driver seat control unit counts the pulse and calculates the lift position (rear) of the seat.
21.	Lumbar support motor Y (with 4 way lumbar) (if so equipped)	Lumbar support motor	Lumbar support motor is installed to seat back frame. Lumbar support motor is activated with driver seat control unit. Lumbar support is moved forward/backward by changing the rotation direction of lumbar support motor.
21.	Lumbar support motor Y (with 4 way lumbar) (if so equipped)	Lumbar sensor	Lumbar support sensor is integrated in lumbar support motor Y. The pulse signal is inputted to driver seat control unit when the lumbar support motor Y is operated. Driver seat control unit counts the pulse and calculates the lumbar support amount of the seat.
22.	Reclining motor LH	Reclining motor	Reclining motor is installed to seat back frame. Reclining motor is activated with driver seat control unit. Seatback is reclined forward/backward by changing the rotation direction of reclining motor.
22.	Reclining motor LH	Reclining sensor	Reclining sensor is integrated in reclining motor. The pulse signal is inputted to driver seat control unit when the reclining is operated. Driver seat control unit counts the pulse and calculates the reclining amount of the seat.
23.	Lumbar support motor X (with 4 way lumbar) (if so equipped)	Lumbar support motor	Lumbar support motor is installed to seat back frame. Lumbar support motor is activated with driver seat control unit. Lumbar support is moved forward/backward by changing the rotation direction of lumbar support motor.
23.	Lumbar support motor X (with 4 way lumbar) (if so equipped)	Lumbar sensor	Lumbar support sensor is integrated in lumbar support motor X. The pulse signal is inputted to driver seat control unit when the lumbar support motor X is operated. Driver seat control unit counts the pulse and calculates the lumbar support amount of the seat.

Automatic Drive Positioner Control Unit

It communicates with driver seat control unit via CAN communication.
Performs various controls with the instructions of driver seat control unit.
Performs the controls of the tilt and telescopic motors.
Operates door mirror LH with the signal from the driver seat control unit.
Automatic drive positioner control unit is located behind the center of the instrument panel.

Driver Seat Control Unit

Main unit of automatic drive positioner system.
It is connected to the CAN communication system.
Operates each motor of seat to the registered position.
Performs the control of seat memory switch.
Operates the specific seat motor with the signal from power seat switch LH.
Driver seat control module is installed to the bottom of the front LH seat assembly.

Seat Memory Switch

SET SWITCH

It is used for registration and setting change of driving position.

SEAT MEMORY SWITCH

Seat memory switch is located on the front door finisher LH.
The maximum 2 driving positions can be registered by memory switch 1 to 2.
Driving position is set to the registered driving position when memory switch is pressed while operation conditions are satisfied.

SEAT MEMORY INDICATOR

Memory indicator indicates the status of automatic drive positioner system by turning ON or blinking.

Diagnosis System (driver Seat Control Unit) Nissan Pathfinder 5th Gen

CONSULT Function (AUTO DRIVE POS.)

The automatic drive positioner system can be checked and diagnosed for component operation with CONSULT.

APPLICATION ITEMS

Diagnostic mode	Description
Self Diagnostic Result	Display non-network DTC which driver seat control unit memorizes.
Data Monitor	Displays the real-time input/output data from driver seat control unit input/output data.
Active Test	Driver seat control unit can provide a drive signal to electronic components to check their operations.
Work support	Changes the setting for each setting function.
ECU Identification	Allows confirmation of driver seat control unit part number.
Network-DTC*	Display network DTC which driver seat control unit memorizes when performing "Diagnosis (All System)".

^*: Displays when performing "Diagnosis (All System)".

SELF DIAGNOSTIC RESULT

Refer to DTC Index.

DATA MONITOR

NOTE:

The following table includes information (items) inapplicable to this Nissan Pathfinder vehicle: For information (items) applicable to this vehicle, refer to CONSULT display items.

Monitor Item	Value/Status	Contents
Memory switch 1	“On/Off”	On/Off status judged from the seat memory switch-1 signal.
Memory switch 2	“On/Off”	On/Off status judged from the seat memory switch-2 signal.
Set switch	“On/Off”	On/Off status judged from the set switch signal.
Reclining switch (Forward)	“On/Off”	On/Off status judged from the reclining switch (forward) signal.
Reclining switch (Backward)	“On/Off”	On/Off status judged from the reclining switch (backward) signal.
Thigh support switch (Up)	“On/Off”	On/Off status judged from the thigh support switch (upward) signal.
Thigh support switch (Down)	“On/Off”	On/Off status judged from the thigh support switch (down) signal.
Sliding switch (Forward)	“On/Off”	On/Off status judged from the sliding switch (forward) signal.
Sliding switch (Backward)	“On/Off”	On/Off status judged from the sliding switch (backward) signal.
Lifting switch (Up)	“On/Off”	On/Off status judged from the lifting switch (upward) signal.
Lifting switch (Down)	“On/Off”	On/Off status judged from the lifting switch (downward) signal.
Lumbar support switch (Up)	“On/Off ”	On/Off status judged from the lifting switch (upward) signal.
Lumbar support switch (Down)	“On/Off ”	On/Off status judged from the lifting switch (downward) signal.
Lumbar support switch (Fwd)	“On/Off ”	On/Off status judged from the lifting switch (forward) signal.
Lumbar support switch (Bwd)	“On/Off ”	On/Off status judged from the lifting switch (backward) signal.
Massage switch	“On/Off ”	On/Off status judged from the massage switch signal.
Lifting motor position	—	If it moves upward, the value increases. If it moves downward, the value decreases.
Reclining motor position	—	If it moves forward, the value increases. If it moves backward, the value decreases.
Thigh support motor position	—	If it moves upward, the value increases. If it moves downward, the value decreases.
Sliding motor position	—	If it moves forward, the value increases. If it moves backward, the value decreases.
Lumbar sprt (Fwd/Bwd) mot pos	—	If it moves forward, the value increases. If it moves backward, the value decreases.
Lumbar sprt (Up/Down) mot pos	—	If it moves upward, the value increases. If it moves downward, the value decreases.

ACTIVE TEST

CAUTION:

When driving vehicle, do not perform active test.

Test item	Description
Reclining motor	Forward/backward/stop the seat reclining.
Thigh support motor	Upward/downward/stop the thigh support.
Sliding motor	Forward/backward/stop the seat sliding.
Lifting motor	Upward/downward/stop the seat lifting.