Rear Power Window Control Unit LH or RH Power Supply and Ground Circuit Check

CHECK POWER WINDOW POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between rear power window control unit LH or RH connector D209 (LH), D309 (RH) terminal 13 and ground.
  
  Fig 1: Checking Voltage Between Rear Power Window Control Unit And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 13 (W/R) - Ground: Battery voltage
OK or NG
1. OK: GO TO 2
2. NG: GO TO 3
CHECK POWER WINDOW GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window control unit LH or RH.
3. Check continuity between rear power window control unit LH or RH connector D209 (LH), D309 (RH) terminal 15 and ground.
  
  Fig 2: Checking Continuity Between Rear Power Window Control Unit And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 15 (B) - Ground: Continuity should exist.
OK or NG
1. OK: Rear power window control unit LH or RH power supply and ground circuit is OK. Refer to TROUBLE DIAGNOSES SYMPTOM CHART .
2. NG: Repair or replace harness.
CHECK REAR POWER WINDOW CONTROL UNIT LH OR RH POWER SUPPLY CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M20 terminal 69 and rear power window control unit LH or RH connector D209 (LH), D309 (RH) terminal 13.
  
  Fig 3: Checking Continuity Between BCM And Rear Power Window Control Unit
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 69 (W/R) - 13 (W/R): Continuity should exist.
OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness.
CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 terminal 69 and ground.
  
  Fig 4: Checking Voltage Between BCM And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 69 (W/R) - Ground: Battery voltage
OK or NG
1. OK: Check the condition of the harness and the connector.
2. NG: Replace BCM.