2. Faulty Switch: The wiper switch on the steering column may be faulty, preventing the side wiper from receiving the signal to activate.
3. Broken Wiring: There may be a break in the wiring that supplies power to the side wiper motor.
4. Worn Out Motor: The wiper motor itself may have worn out or become seized, preventing it from moving the side wiper.
5. Clogged Nozzles: If the side wiper nozzles are clogged, the wiper fluid may not be able to reach the windshield properly, causing the wiper to skip over dry spots.
6. Incorrect Wiper Blade: The side wiper blade may not be the correct size or shape for the Xterra, causing it to skip or not make contact with the windshield properly.
7. Faulty Wiper Linkage: The linkage connecting the wiper motor to the wiper arm may be broken or disconnected, preventing the side wiper from moving.
