LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1872 (Seat) >> Automatic Drive Positioner >> Trouble Diagnosis >> Rear Lifting Motor Circuit Inspection

Rear Lifting Motor Circuit Inspection

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK REAR 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

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

    With CONSULT-II 

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

    TEST ITEM DESCRIPTION

    Test item Description
    SEAT LIFTER RR The rear lifter motor is activated by receiving the drive signal.
    Fig 1: ACTIVE TEST - CONSULT II Display Screen
    G02420594Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    GO TO 3.

    OK or NG

    • OK: Rear lifter motor circuit is OK.
    • NG: GO TO 3.
  3. CHECK REAR LIFTER MOTOR HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect driver seat control unit and rear lifter motor.
    3. Check continuity between driver seat control unit connector P3 terminals 38, 39 and lifter motor connector P7 terminals 12, 14.

      38 (B/W) - 12 (B/W): Continuity should exist. 

      39 (B) - 14 (B): Continuity should exist. 

    4. Check continuity between driver seat control unit P3 terminals 38, 39 and ground.

      38 (B/W) - Ground: Continuity should not exist. 

      39 (B) - Ground: Continuity should not exist. 

    OK or NG

    • OK: GO TO 4.
    • NG: Repair or replace harness.
      Fig 2: Checking Rear Lifter Motor Harness Continuity
      G02420595Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL 
    1. Connect the driver seat control unit and rear lifter motor.
    2. Check voltage between driver seat control unit connector and ground.
      Fig 3: Terminals Voltage Reference Chart
      G02420596Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 4: Checking Voltage Between Driver Seat Control Unit Connector And Ground
      G02420597Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Replace rear lifter motor.
    • NG: Replace driver seat control unit.
scientia non olet · About LEMON Manuals