Washer Operation

When the wiper switch is in front wiper washer position, BCM detect front wiper washer signal by BCM wiper switch reading function. Refer to "COMBINATION SWITCH READING FUNCTION ".

Combination switch power is supplied

• Through combination switch terminal 14
• To washer motor terminal 1.

  Ground is supplied

• To front washer motor terminal 2
• Through grounds E9, E15 (all models) and E24 (with MR20DE).

With power and ground supplied, front washer motor is operated.

When the BCM detects that front washer motor has operated for 0.4 seconds or longer, BCM operates front wiper motor for low speed.

When the BCM detects washer switch is OFF, low speed operation cycles approximately 2 times and stops.