Nissan Sentra Service Manual: Front wiper and washer system

Nissan Sentra Service Manual / Driver controls / Wiper & washer / System description / Front wiper and washer system

Component Parts Location

BCM (view under instrument panel, left side of vehicle)
Combination meter
IPDM E/R (view with air inlet duct removed)
Combination switch (wiper and washer switch)
Front wiper motor (with wiper cowl cover removed)
Front washer motor (with front bumper removed)

Component Description

Part	Description
Combination meter	Transmits the vehicle speed signal to BCM with CAN communication.
BCM	Judges the switch status by the combination switch reading function. Requests (with CAN communication) the front wiper relay and the front wiper high relay ON to IPDM E/R.
IPDM E/R	Controls the integrated relay according to the request (with CAN communication) from BCM. Performs the auto stop control of the front wiper.
Combination switch (Wiper and washer switch)	Provides input for wiper and washer control to the BCM. Refer to WW-8, "System Description".
Front washer motor	Washer fluid is sprayed according to combination switch signal.
Front wiper motor	IPDM E/R controls front wiper operation. Front wiper stop position is transmitted to IPDM E/R.

System

System Diagram System Description FRONT WIPER CONTROL (BASIC) BCM detects the combination switch position by the combination switch reading function. BCM transmits the front wiper requ ...

Other materials:

Precaution for supplemental restraint system (srs) "air bag" and "seat belt pre-tensioner"
The Supplemental Restraint System such as вЂњAIR BAGвЂќ and вЂњSEAT BELT PRE-TENSIONERвЂќ, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system ...

System description
Component parts Component parts location Instrument lower finisher Sport mode switch The sport mode switch is installed to the instrument lower finisher. When the sport mode indicator lamp on the combination meter is off and the sport mode switch is pressed, the sport mode is ...

Bcm branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? YES > ...