Front Wiper and Washer Activate Individually but Not in Combination

With CONSULT-II

1. Select "IVMS" on CONSULT-II. And select "WIPER" on "SELECT TEST ITEM" screen.
2. Select "DATA MONITOR" on "SELECT DIAG MODE" screen.
3. Make sure that "WASH SW" turns ON-OFF according to operation of intermittent wiper switch.
   1. When front washer switch is ON: WASH SW ON 
   2. When front washer switch is OFF: WASH SW OFF 
   Fig 1: SELECT DIAG MODE - CONSULT II Display

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

Without CONSULT-II

Check front wiper switch (WASH) in switch monitor mode. Refer to "SWITCH MONITOR ".

OK or NG 

1. OK: Replace BCM.
2. NG: Check harness for open or short between BCM and front wiper switch.