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Rear Power Vent Window Relay (OPEN) Check

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK REAR POWER VENT WINDOW RELAY (OPEN) POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect rear power vent window relay (OPEN).
    3. Turn ignition switch ON.
    4. Check voltage between rear power vent window relay (OPEN) connector and ground.
      Fig 1: Rear Power Vent Window Relay (OPEN) Connector Terminal Voltage Specifications
      G02383914Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 2.
    2. NG: Repair or replace harness.
    Fig 2: Checking Voltage Between Rear Power Vent Window Relay (Open) Connector And Ground
    G02383915Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK REAR POWER VENT WINDOW RELAY (OPEN) 

    Check continuity between rear power vent window relay (OPEN) terminals 3 and 4, 3 and 5.

    Fig 3: Rear Power Vent Window Relay (OPEN) Terminal Continuity Specifications
    G02383916Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 3.
    2. NG: Replace rear power vent window relay (OPEN).
    Fig 4: Checking Continuity Between Rear Power Vent Window Relay (Open) Terminals 3 And 4, 3 And 5
    G02383917Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK REAR POWER VENT WINDOW RELAY (OPEN) GROUND CIRCUIT 

    Check continuity between rear power vent window relay (OPEN) connector M87 terminal 4 and ground.

    1. 4 (B) - Ground: Continuity should exist. 

    OK or NG

    1. OK: GO TO 4.
    2. NG: Repair or replace harness.
    Fig 5: Checking Continuity Between Rear Power Vent Window Relay (Open) Connector M87 Terminal 4 And Ground
    G02383918Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK REAR POWER VENT WINDOW RELAY (OPEN) CIRCUIT 
    1. Disconnect rear power vent window switch.
    2. Check continuity between rear power vent window relay (OPEN) connector M87 terminal 2 and rear power vent window switch connector R103 terminal 3.
      1. 2 (G/R) - 3 (BR/W): Continuity should exist. 

    OK or NG

    1. OK: Replace rear power vent window switch.
    2. NG: Repair or replace harness.
    Fig 6: Checking Continuity Between Rear Power Vent Window Relay (OPEN) Connector M87 Terminal 2 And Rear Power Vent Window Switch Connector R103 Terminal 3
    G02383919Courtesy of NISSAN MOTOR CO., U.S.A.
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