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Home >> Nissan-Datsun >> 2007 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Body, Lock & Security System) >> Service Information >> Power Door Lock System >> Front Door Lock Assembly LH (Actuator) Check
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Front Door Lock Assembly LH (Actuator) Check

WARNING: This page is about a different car, the 2009 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FRONT DOOR LOCK ASSEMBLY LH (ACTUATOR) HARNESS
    1. Turn ignition switch OFF.
    2. Disconnect BCM and front door lock assembly LH (actuator).
    3. Check continuity between BCM connector M20 (A) terminals 59, 65 and front door lock assembly LH (actuator) connector D9 (B) terminals 1, 2.
      CONTINUITY CHART

      Connector Terminal Connector Terminal Continuity
      A: M20 59 B: D9 2 Yes
      65 1 Yes
    4. Check continuity between BCM connector M20 (A) terminals 59, 65 and body ground.
      CONTINUITY CHART

      Connector Terminals Continuity
      A: M20 59 Ground No
      65 No
      Fig 1: Checking Continuity Between BCM Connector M20 Terminals 59, 65 And Body Ground
      G04927574Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK: GO TO 2.

      NG: Repair or replace harness.

  2. CHECK FRONT DOOR LOCK ASSEMBLY LH SIGNAL
    1. Reconnect BCM.
    2. Check voltage between BCM connector M20 terminals 59, 65 and ground.
      VOLTAGE SPECIFICATION

      Connector Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      M20 59 Ground Main power window and door lock/unlock switch is turned to UNLOCK 0 → Battery voltage
      65 Main power window and door lock/unlock switch is turned to LOCK 0 → Battery voltage
      Fig 2: Checking Voltage Between BCM Connector M20 Terminals 59, 65 And Ground
      G04916748Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG 

      OK: Replace front door lock assembly LH (actuator). Refer to "REMOVAL AND INSTALLATION ".

      NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".