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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1438 (Seat) >> Automatic Drive Positioner >> Rear Lifting Motor Circuit Check

Rear Lifting Motor Circuit Check

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK REAR END SEAT LIFTING MECHANISM 

    Check the following.

    • Operation malfunction caused by lifter mechanism deformation or pinched harness or other foreign materials
    • Operation malfunction caused by foreign materials adhered to the lifter motor or lead screws
    • Operation malfunction and interference with other parts by poor installation

    OK or NG 

    1. OK : GO TO 2.
    2. NG : Repair the malfunctioning part and check again.
  2. CHECK FUNCTION 

    With CONSULT-II 

    Check operation with "SEAT LIFTER RR" in ACTIVE TEST.

    DESCRIPTION CHART

    Test item Description
    SEAT LIFTER RR The rear end lifter motor is activated by receiving the drive signal.
    Fig 1: Active Test Display
    G02364307Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    GO TO 3.

    OK or NG 

    1. OK : Rear lifting motor check is OK.
    2. NG : GO TO 3.
  3. CHECK REAR LIFTING HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit connector and rear lifting motor connector.
    3. Check continuity between driver seat control unit connector B153 terminals 6, 7 and lifting motor connector B162 terminals 6, 7.
      1. 6 (G/W) - 6 (G/W) : Continuity should exist. 
      2. 7 (G/B) - 7 (G/B) : Continuity should exist. 
    4. Check continuity between driver seat control unit B153 terminals 6, 7 and ground.
      1. 6 (G/W) - Ground : Continuity should not exist. 
      2. 7 (G/B) - Ground : Continuity should not exist. 

    OK or NG 

    1. OK : GO TO 4.
    2. NG : Repair or replace harness between driver seat control unit and rear lifting motor.
    Fig 2: Checking Continuity Between Driver Seat Control Unit B153 Terminals 6, 7 And Ground
    G02364308Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL 
    1. Connect the driver seat control unit connector.
    2. Rear lifting switch operate, check voltage between driver seat control unit connector and ground.
      Fig 3: Voltage Table
      G02364309Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK : Replace rear lifting motor.
    2. NG : Replace driver seat control unit.
    Fig 4: Checking Voltage Between Driver Seat Control Unit Connector And Ground
    G02364310Courtesy of NISSAN MOTOR CO., U.S.A.
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