Nissan Maxima Service and Repair Manual: Automatic door locks

System Diagram

Nissan Maxima. System Diagram

System Description

Nissan Maxima. System Description

DOOR LOCK FUNCTION

  • The door lock and unlock switch (driver side) is build into power window main switch.
  • The door lock and unlock switch (passenger side) is on door trim.
  • Interlocked with the locking operation of door lock and unlock switch, door lock actuators of all doors and fuel lid are locked.
  • Interlocked with the unlocking operation of door lock and unlock switch, door lock actuators of all doors and fuel lid are unlocked.

Door Key Cylinder

  • With the door key inserted in the door key cylinder on driver side, turning it to "LOCK", will lock door lock actuator of all doors and fuel lid.
  • With the door key inserted in the door key cylinder on driver side, turning it to "UNLOCK" once unlocks the driver side door lock actuator and fuel lid; turning it to "UNLOCK" again within 60 seconds after the first unlock operation unlocks all of the other doors. - (SELECTIVE UNLOCK OPERATION) Selective unlock operation mode can be changed using "DOOR LOCK-UNLOCK SET" mode in "WORK SUPPORT".

    Refer to DLK-53, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)".

AUTOMATIC DOOR LOCKS (LOCK OPERATION)

The automatic door locks function is the function that locks all doors and fuel lid linked with the vehicle speed or shift position. It has 2 types as follows.

Vehicle Speed Sensing Auto Door Lock*1

All doors and fuel lid are locked when the vehicle speed reaches 24 km/h (15 MPH) or more.

BCM outputs the lock signal to all door lock and fuel lid actuators when it detects that the ignition switch is turned ON, all doors are closed and the vehicle speed received from the combination meter via CAN communication becomes 24 km/h (15 MPH) or more.

If a door is opened and closed at any time during one ignition cycle (OFF → ON), even after initial auto door lock operation has taken place, the BCM will relock all doors when the vehicle speed reaches 24 km/h (15 MPH) or more again.

P Range Interlock Door Lock

All doors and fuel lid are locked when shifting the selector lever from the P position to any position other than P.

BCM outputs the lock signal to all door lock and fuel lid actuators when it detects that the ignition switch is in the ON position and the shift signal received from the TCM via CAN communication is shifted from the P position to any position other than P.

Setting change of Automatic Door Locks (LOCK) Function The LOCK operation setting of the automatic door locks function can be changed.

With CONSULT

The ON/OFF switching of the automatic door locks (LOCK) function and the type selection of the automatic door locks (LOCK) function can be performed at the WORK SUPPORT setting of CONSULT. Refer to DLK-53, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)".

Without CONSULT

The automatic door locks (LOCK) function can be switched ON/OFF by performing the following operation.

  1. Close all doors (door switch OFF)
  2. Push the ignition switch to the ON position
  3. Press and hold the door lock and unlock switch for 5 seconds or more in the lock direction within 20 seconds after turning the ignition switch ON.
  4. The switching is completed when the hazard lamp blinks.

OFF → ON : 2 blinks
ON → OFF : 1 blink

  1. The ignition switch must be turned OFF and ON again between each setting change.

AUTOMATIC DOOR LOCKS (UNLOCK OPERATION)

The automatic door locks (UNLOCK) function is the function that unlocks all doors and fuel lid linked with the key position or shift position. It has 2 types as follows.

IGN OFF Interlock Door Unlock*1

All doors and fuel lid are unlocked when the power supply position is changed from ON to OFF.

BCM outputs the unlock signal to all door lock and fuel lid actuators when it detects that the power supply position is changed from ignition switch ON to OFF.

P Range Interlock Door Unlock

All doors and fuel lid are unlocked when shifting the selector lever from any position other than the P to P position.

BCM outputs the unlock signal to all door lock and fuel lid actuators when it detects that the ignition switch is in the ON position and the shift signal received from TCM via CAN communication is shifted from any position other than the P to P position.

Setting change of Automatic Door Locks (UNLOCK) Function

The UNLOCK operation setting of the automatic door locks function can be changed.

With CONSULT

The ON/OFF switching of the automatic door locks (UNLOCK) function and the type selection of the automatic door locks (UNLOCK) function can be performed at the WORK SUPPORT setting of CONSULT. Refer to DLK- 53, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)".

Without CONSULT

The automatic door locks (UNLOCK) function can be switched ON/OFF by performing the following operation.

  1. Close all doors (door switch OFF)
  2. Push the ignition switch to the ON position
  3. Press and hold the door lock and unlock switch for 5 seconds or more in the unlock direction within 20 seconds after turning the power supply position ON.
  4. The switching is completed when the hazard lamp blinks.

OFF → ON : 2 blinks
ON → OFF : 1 blink

  1. The ignition switch must be turned OFF and ON again between each setting change.

*1: This function is set to ON before delivery.

Component Parts Location

Nissan Maxima. Component Parts Location

  1. BCM M16, M17, M18, M19, M21 (view with instrument panel removed)
  2. Main power window and door lock/unlock switch D7, D8
  3. Power window and door lock/unlock switch RH D105
  4. Front door lock assembly LH (key cylinder switch) D10 Front door lock actuator RH D108
  5. Front door switch LH B8 RH B108
  6. Rear door switch LH B18 RH B116
  7. Rear door lock actuator LH D205 RH D305
  8. Trunk lamp switch and trunk release solenoid T7
  9. Fuel lid door lock actuator B27
  10. Combination meter M24 11. TCM F15

Component Description

Nissan Maxima. Component Description

    System description
    ...

    Door lock function
    DOOR LOCK AND UNLOCK SWITCH DOOR LOCK AND UNLOCK SWITCH : System Diagram DOOR LOCK AND UNLOCK SWITCH : System Description DOOR LOCK FUNCTION Functions Available by Operating the Door Lock ...

    Other materials:

    Rear power window switch
    Description BCM supplies power. Rear power window motor operates when rear power window switch is activated. Component Function Check Rear Power Window Switch 1. CHECK REAR POWER WINDOW MOTOR FUNCTION Check that rear power window motor operates from rear power window switch. Diagnosi ...

    Releasing the trunk lid
    Press the button for longer than 1 second to open the trunk lid. The trunk release button will not operate when the ignition switch is in the ON position or when the trunk cancel switch is in the OFF position. For additional information, refer to "Cancel switch" in this section. ...

    U1000 Can comm circuit
    Description DTC Logic DTC DETECTION LOGIC NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symptoms and a present DTC by performing the Self Diagnostic Result procedure. Diagnosis Proc ...

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    Nissan Maxima Service and Repair Manual

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