Rear Defogger Switch Does Not Work.

CHECK REAR DEFOGGER SWITCH INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between multifunction switch connector M83 terminal 5(G/R) and ground.
  
  Fig 1: Multifunction Switch Connector Terminal And Ground Voltage Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Rear Window Defogger Switch Input Signal
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK >> GO TO 2.
2. NG >> Replace multifunction switch (rear defogger switch).
CHECK REAR DEFOGGER OUTPUT SIGNAL
1. Turn ignition switch OFF, and disconnect multifunction switch connector.
2. Turn ignition switch ON.
3. Check voltage between multifunction switch harness connector M83 terminal 10(G/R) and ground.
  
  Fig 3: Multifunction Switch Harness Connector Terminal And Ground Voltage Specifications
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 4: Checking Rear Window Defogger Switch Output Signal
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK >> Replace multifunction switch.
2. NG >> Check rear defogger circuit.