Combination Switch Reading Function: Notes

BCM reads combination switch (wiper switch) status, and controls front wipers based on the results.

BCM is a combination of 5 output terminals (OUTPUT 1 - 5) and 5 input terminals (INPUT 1 - 5). It reads 20 types of switch data and 5 types of diagnosis data.

Fig 1: Combination Switch Function Chart

Courtesy of NISSAN MOTOR CO., U.S.A.