Washer Operation
WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
When the ignition switch is in ON or START position, power is supplied
- through 10A fuse (No. 47, located in the IPDM E/R)
- through IPDM E/R terminal 44
- to front washer motor terminal +.
When front wiper switch is placed in washer position, Ground is supplied
- to front washer motor terminal -
- through combination switch terminal 11
- through combination switch terminal 12
- from body grounds M57, M61, and M79.
With power and ground supplied, the front washer motor is operated. At the same time, Power is supplied
- through combination switch terminal 2
- to BCM (output 2) terminal 35.
When BCM detects that front washer motor has operated for 0.4 seconds or longer, BCM uses CAN communication and sends wiper request signal to IPDM E/R for low speed operation of wipers.
When BCM detects that washer switch is OFF, low speed operation cycles approximately 3 times and then stops.