Front Washer Operation
WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
When the ignition switch is in the ON or START position, and the front washer switch is OFF, the front washer motor is supplied power
- through 10A fuse (No. 9, located in the fuse block J/B)
- to front washer motor terminal 1.
When the front wiper switch is in the front washer position, the BCM detects a front washer signal request through the combination switch (wiper switch) reading function.
Combination switch ground is supplied
- to front washer motor terminal 2
- through combination switch (wiper switch) terminal 11
- through combination switch (wiper switch) terminal 12
- through grounds M61, M57, and M79.
With ground supplied, the front washer motor operates.
When the BCM detects that front washer motor has operated for 0.4 seconds or longer, the BCM uses CAN communication and sends a wiper request signal to the IPDM E/R for low speed operation of wipers.
When the BCM detects that the washer switch is OFF, low speed operation cycles approximately 3 times and then stops.