Front Wiper Intermittent Operation Switch Position Cannot Be Adjusted

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK COMBINATION SWITCH INPUT SIGNAL
Select "BCM" on CONSULT-II. With "WIPER" data monitor, make sure "INT VOLUME" changes in order from 1 to 7 according to operation of the intermittent switch dial position.

OK or NG
1. OK: Replace BCM. Refer to "COMBINATION SWITCH INSPECTION ".
2. NG: Replace wiper switch.
  
  Fig 1: Displaying DATA MONITOR
  Courtesy of NISSAN MOTOR CO., U.S.A.