Nissan Maxima Service and Repair Manual: Automatic drive positioner system

AUTOMATIC DRIVE POSITIONER SYSTEM : System Diagram

AUTOMATIC DRIVE POSITIONER SYSTEM : System Description

OUTLINE

The system automatically moves the driver seat, steering column and door mirror position by the driver seat control unit and the automatic drive positioner control unit. The driver seat control unit corresponds with the automatic drive positioner control unit by UART communication.

Function		Description
Manual function		The driving position (seat, steering column and door mirror position) can be adjusted by using the power seat switch, ADP steering switch or door mirror remote control switch
Memory function		The seat, steering column and door mirror move to the stored driving position by pressing seat memory switch (1 or 2).
Entry/Exit assist function	Exit	On exit, the seat moves backward and the steering column moves upward
	Entry	On entry, the seat and steering column returns from exiting position to the previous driving position
Intelligent Key interlock function		Perform memory operation, exiting operation and entry operation by Intelligent Key unlock operation or driver side door request switch unlock operation

NOTE: The lumbar support system is controlled independently with no link to the automatic drive positioner system.

AUTOMATIC DRIVE POSITIONER SYSTEM : Component Parts Location

1. Push-button ignition switch M38
2. BCM M16, M17, M18, M19 (view with instrument panel removed)
3. TCM F15
4. A. ADP steering switch M39 B. Tilt motor M71, telescopic motor M73
5. A. Power seat switch LH B213 B. Reclining motor B222 C. Driver seat control unit B203, B211
6. Automatic drive positioner control unit M63, M67 (view with instrument panel removed)
7. A. Door mirror LH D4
   B. Door mirror RH D107
   C. Front door switch LH B8
8. Door mirror remote control switch M108
9. Seat memory switch D13
   : Front

AUTOMATIC DRIVE POSITIONER SYSTEM : Component Description

CONTROL UNITS

Item	Function
Driver seat control unit	Main unit of automatic drive positioner system It is connected to the CAN. It communicates with the automatic drive positioner control unit via UART communication.
Automatic drive positioner control uni	It communicates with the driver seat control unit via UART communication. Perform various controls with the instructions of driver seat control unit. Perform the controls of the pedal adjusting, door mirror and the seat memory switch.
BCM	Transmits the following status to the driver seat control unit via CAN communication. Front door LH: OPEN/CLOSE Ignition switch position: ACC/ON Door lock: UNLOCK (with Intelligent Key or remote keyless entry request switch operation) Key ID Key switch: Insert/Pull out Intelligent Key Starter: CRANKING/OTHER
Combination meter	Transmits the vehicle speed signal to the driver seat control unit via CAN communicati
AV control unit	The setting change of auto drive positioner system can be performed on the display
TCM	Transmits the shift position signal (P range) to the driver seat control unit via CAN communication.

INPUT PARTS

Switches

Item	Function
Key slot	The key switch is installed to detect the key inserted/removed status.
Front door switch LH	Detect front door (driver side) open/close status.
Transmission range switch (built into CVT control valve assembly)	Detect the P range position of CVT selector lever.
Set swi	The registration and system setting can be performed with its operation
Seat memory switch 1/2	The registration and operation can be performed with its operation.
Power seat switch	The following switch is installed. Reclining switch Lifting switch (front) Lifting switch (rear) Sliding switch The specific parts can be operated with the operation of each s
ADP steering switch	The following switch is installed. Tilt switch Telescopic switch The specific parts can be operated with the operation of each switch.
Door mirror remote control switch	The following switch is installed. Mirror switch Changeover switch The specific parts can be operated with the operation of each switch.

Sensors

OUTPUT PARTS