Nissan Sentra manuals

Nissan Sentra Service Manual: System

System Diagram

FRONT POWER WINDOW LH ANTI-PINCH SYSTEM

System Description


System Description

MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH INPUT/OUTPUT SIGNAL CHART

Item

Input signal to main power window and door lock/unlock switch

Main power window and door lock/unlock switch function

Actuator

Encoder Encoder pulse signal Power window control Front power window motor
Main power window and door lock/unlock switch Front power window motor LH UP/ DOWN signal
Power window and door lock/unlock switch RH Front power window motor RH UP/ DOWN signal
BCM RAP signal Rear power window motor
Rear power window switch Rear power window motor UP/DOWN signal

POWER WINDOW OPERATION

POWER WINDOW AUTO-OPERATION (FRONT LH)

RETAINED POWER OPERATION

Retained power function cancel conditions

POWER WINDOW LOCK FUNCTION

Ground circuit inside main power window and door lock/unlock switch shuts off when power window lock switch is ON. This inhibits power window switch operation except with the main power window and door lock/ unlock switch.

ANTI-PINCH OPERATION (FRONT LH)

OPERATION CONDITION

NOTE:

Depending on environment and driving conditions, if a similar impact or load is applied to the door glass, it may lower.

Fail-safe

FAIL-SAFE CONTROL

Switches to fail-safe control when malfunction is detected in the encoder signal that detects UP/DOWN speed and direction of door glass. Switches to fail-safe control when an error beyond the regulation value is detected between the fully closed position and the actual position of the glass.

Malfunction

Malfunction condition

Pulse sensor malfunction When only one side of pulse signal is being detected for more than the specified value.
Both pulse sensors malfunction When both pulse signals have not been detected for more than the specified value during glass open/close operation.
Pulse direction malfunction When the pulse signal that is detected during glass open/close operation detects the opposite condition of power window motor operating direction.
Glass recognition position malfunction 1 When it detects the error between glass fully closed position in power window switch memory and actual fully closed position during glass open/close operation is more than the specified value.
Glass recognition position malfunction 2 When it detects pulse count more that the value of glass full stroke during glass open/close operation.
Malfunction of not yet updated closed position of glass When glass open/close operation is continuously performed without fully closing more that the specified value (approximately 10 strokes).

It changes to condition before initialization and the following functions do not operate when switched to failsafe control:

Perform initial operation to recover when switched to fail-safe mode. However, it switches back to fail-safe control when malfunction is found in power window switch or in motor.

Diagnosis system (bcm) (with intelligent key system)

Common item

COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with BCM.

Direct Diagnostic Mode

Description

ECU identification The BCM part number is displayed.
Self Diagnostic Result The BCM self diagnostic results are displayed.
Data Monitor The BCM input/output data is displayed in real time.
Active Test The BCM activates outputs to test components.
Work support The settings for BCM functions can be changed.
Configuration
  • The vehicle specification can be read and saved.
  • The vehicle specification can be written when replacing BCM.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication is displayed.

SYSTEM APPLICATION

BCM can perform the following functions.

Retained pwr


Retained pwr

RETAINED PWR : CONSULT Function (BCM - RETAINED PWR)

DATA MONITOR

Diagnosis system (bcm) (without intelligent key system)


Diagnosis system (bcm) (without intelligent key system)

Common item

COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with BCM.

Direct Diagnostic Mode

Description

ECU identification The BCM part number is displayed.
Self Diagnostic Result The BCM self diagnostic results are displayed.
Data Monitor The BCM input/output data is displayed in real time.
Active Test The BCM activates outputs to test components.
Work support The settings for BCM functions can be changed.
Configuration
  • The vehicle specification can be read and saved.
  • The vehicle specification can be written when replacing BCM.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication is displayed.

SYSTEM APPLICATION

BCM can perform the following functions.

Retained pwr


Retained pwr

RETAINED PWR : CONSULT Function (BCM - RETAINED PWR)

DATA MONITOR

WORK SUPPORT


WORK SUPPORT

*: Initial setting


*: Initial setting

Component parts
Component Parts Location BCM (view under instrument panel on the left side of the vehicle) Front power window motor LH (RH similar) (view with front door finisher removed) Rear powe ...

Ecu diagnosis information
...

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