Nissan Maxima Service and Repair Manual: Automatic drive positioner system

Nissan Maxima Service and Repair Manual / Body interior / Automatic drive positioner / System description / Automatic drive positioner system

AUTOMATIC DRIVE POSITIONER SYSTEM : System Diagram

Nissan Maxima. 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

Nissan Maxima. 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

Nissan Maxima. Sensors

OUTPUT PARTS

Nissan Maxima. OUTPUT PARTS

    System description
    ...

    Manual function
    MANUAL FUNCTION : System Diagram MANUAL FUNCTION : System Descriptio OUTLINE The driving position (seat, steering column and door mirror position) can be adjusted manually with power seat swi ...

    Other materials:

    Diagnosis system (AV control unit)
    Diagnosis Description MULTIFUNCTION SWITCH AND PRESET SWITCH SELF-DIAGNOSIS FUNCTION The ON/OFF operation (continuity) of each switch in the multifunction switch and preset switch can be checked. Self-Diagnosis Mode Press the BACK switch and the switch of the 8-direction switches with ...

    Headlamp (HI) circuit
    Description The IPDM E/R (intelligent power distribution module engine room) controls the headlamp high relay based on inputs from the BCM over the CAN communication lines. When the headlamp high relay is energized, power flows through fuses 48 and 49, located in the IPDM E/R. Power then flow ...

    Air conditioning cut control
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: This signal is sent to the ECM via the CAN communication line. *2: ECM determines the start signal status by the signals of engine speed and battery voltage. SYSTEM DESCRIPTION This system improves engine operation when ...

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