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Home >> Nissan-Datsun >> 2005 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Body, Lock & Security System) >> 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 2007 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.
      CONNECTOR TERMINAL CONTINUITY SPECIFICATION

      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.
      CONNECTOR TERMINAL CONTINUITY SPECIFICATION

      Connector Terminals Continuity
      A: M20 59 Ground No
      65 No

    OK or NG 

    OK: GO TO 2.

    NG: Repair or replace harness.

    Fig 1: Checking Continuity Between BCM Connector M20 Terminals 59, 65 And Body Ground
    G04927574
  2. CHECK FRONT DOOR LOCK ASSEMBLY LH SIGNAL 
    1. Reconnect BCM.
    2. Check voltage between BCM connector M20 terminals 59, 65 and ground.
      BCM CONNECTOR TERMINAL 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
      G04916748

    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 ".