Nissan Murano: System / Rear Wiper and Washer System

System Description

SYSTEM DIAGRAM

Signal transmission function list

OUTLINE

The rear wiper is controlled by each function of BCM.

Control by BCM:

• Combination switch reading function

• Rear wiper control function

REAR WIPER BASIC OPERATION

• BCM detects the combination switch (wiper and washer switch) condition by the combination switch reading function.

• BCM controls the rear wiper to start or stop.

REAR WIPER ON OPERATION

• BCM supplies power to the rear wiper motor according to the rear wiper ON operating condition.

  Rear wiper ON operating condition:

  • Ignition switch ON

  • Rear wiper switch ON

REAR WIPER INT OPERATION

• BCM supplies power to the rear wiper motor according to the INT operating condition.

  Rear wiper INT operating condition:

  • Ignition switch ON

  • Rear wiper switch INT

• BCM controls the rear wiper to operate once.

• BCM detects the rear wiper motor stop position.

• BCM supplies power to the rear wiper motor after an intermittent from the stop of the rear wiper motor.

  

REAR WIPER AUTO STOP OPERATION

• BCM stops supplying power to the rear wiper motor when the rear wiper switch is turned OFF.

• BCM reads a rear wiper stop position signal from the rear wiper motor to detect a rear wiper motor position.

• When the rear wiper motor is at other than the stop position, BCM continues to supply power to the rear wiper motor until it returns to the stop position.

  

NOTE:

BCM stops supplying power to the rear wiper motor when the ignition switch is placed OFF

REAR WIPER OPERATION LINKED WITH WASHER

• BCM supplies power to the rear wiper motor according to the washer linked operating condition of the rear wiper. When the rear washer switch is turned OFF, BCM controls the rear wiper to operate approximately three times.

  Washer linked operating condition of the rear wiper:

  • Ignition switch ON

  • Rear washer switch ON (0.4 seconds or more)

• The front and rear washer motor is supplied power and ground from the combination switch (wiper and washer switch) with the rear washer switch ON.

REAR WIPER DROP WIPE OPERATION

• BCM controls the rear wiper to operate once according to the rear wiper drop wipe operating condition.

  Rear wiper drop wipe operating condition:

  • Ignition switch ON

  • Rear wiper switch OFF

  • Rear washer switch OFF

• BCM controls the rear wiper so that it operates once approximately three seconds later after the washer interlocking operation of the rear wiper.

NOTE:

Factory setting of the rear wiper drop wipe operation is OFF. Rear wiper drop wipe operation can be set to ON or OFF using CONSULT. Refer to Diagnosis Description.