Component Description

WARNING: This page is about a different car, the 2018 Nissan NV3500 HD, 2018 Nissan NV2500 HD, and 2018 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

Component	Function
BCM	Monitors combination switch status by performing the combination switch reading function. Sends front wiper relay and front wiper high relay ON signals to IPDM E/R.
IPDM E/R	Controls front wiper relay and front wiper high relay. Performs the auto stop control of the front wiper.
Combination switch (wiper and washer switch)	Provides input for wiper and washer control to BCM. Refer to System Description for more information.
Front wiper motor	Drives windshield wipers in HI or LO mode. Sends wiper stop signal to IPDM E/R.
Front washer motor	Pumps windshield washer fluid to windshield in wash mode.