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Lifting Switch (Rear) Circuit Inspection

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUNCTION 

    With CONSULT-II 

    With "LIFT RR SW-UP, LIFT RR SW-DN" on the DATA MONITOR, operate the rear lifting switch to check ON/OFF operation.

    Fig 1: Identifying Display - Data Monitor
    G03600578Courtesy of NISSAN MOTOR CO., U.S.A.
    LIFT RR SW-UP & LIFT RR SW-DN DATA MONITOR

    Monitor item [OPERATION or UNIT] Contents
    LIFT RR SW-UP "ON/OFF" Operation (ON)/open (OFF) status judged from the RR lifter switch (UP) signal is displayed.
    LIFT RR SW-DN "ON/OFF" Operation (ON)/open (OFF) status judged from the RR lifter switch (DOWN) signal is displayed.

    Without CONSULT-II 

    1. Turn ignition switch OFF.
    2. Check voltage between driver seat control unit connector and ground.
      Fig 2: Checking Voltage Between Driver Seat Control Unit Connector And Ground
      G03600579Courtesy of NISSAN MOTOR CO., U.S.A.
      VOLTAGE BETWEEN DRIVER SEAT CONTROL UNIT CONNECTOR AND GROUND REFERENCE

      Connector Terminals (Wire color) Condition Voltage (V) (Approx.)
      (+) (-)
      P2 14 (G/W) Ground Lifting switch (rear) ON (DOWN operation) 0
      Other than above Battery voltage
      29 (R/W) Lifting switch (rear) ON (UP operation) 0
      Other than above Battery voltage

    OK or NG

    • OK : Lifting switch (rear) circuit is OK.
    • NG : GO TO 2.
  2. CHECK LIFTING SWITCH (REAR) CIRCUIT HARNESS CONTINUITY 
    1. Disconnect driver seat control unit and power seat switch LH.
    2. Check continuity between driver seat control unit connector P2 terminals 14, 29 and power seat switch connector P8 terminals 2, 8.

      14 (G/W) - 8 (G/W) : Continuity should exist  .

      29 (R/W) - 2 (R/W) : Continuity should exist  .

    3. Check continuity between driver seat control unit connector P2 terminals 14, 29 and ground.

      14 (G/W) - Ground : Continuity should not exist  .

      29 (R/W) - Ground : Continuity should not exist. LIIA1131E 

      Fig 3: Checking Continuity Between Driver Seat Control Unit Connector P2 Terminals 14, 29 And Power Seat Switch Connector P8 Terminals 2, 8 And Ground
      G03600580Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK : GO TO 3.
    • NG : Repair or replace harness.
  3. CHECK LIFTING SWITCH (REAR) 

    Check continuity between power seat switch LH as follows.

    Fig 4: Checking Continuity Between Power Seat Switch LH
    G03600581Courtesy of NISSAN MOTOR CO., U.S.A.
    CONTINUITY BETWEEN POWER SEAT SWITCH LH REFERENCE

    Connector Terminals Condition Continuity
    (+) (-)
    P8 8 3 Lifting switch (rear) ON (DOWN operation) Yes
    Other than above No
    2 Lifting switch (rear) ON (UP operation) Yes
    Other than above No

    OK or NG

    • OK : Check the condition of the harness and connector.
    • NG : Replace power seat switch LH. Refer to "REMOVAL AND INSTALLATION ".
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