Washer Operation
WARNING: This page is about a different car, the 2003 Nissan Altima. 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. 46 located in the IPDM E/R)
- through IPDM E/R terminal 18
- to front washer motor terminal +.
When front wiper switch is turned to washer position, Ground is supplied
- to front washer motor terminal -
- through combination switch terminal 11
- through combination switch terminal 12
- through body grounds M57 and M61.
With ground supplied, the front washer motor is operated, and at the same time, Power is supplied
- through combination switch terminal 7
- to BCM (output 2) terminal 40.
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.