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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2234 (Door & Lock (With Intelligent Key System)) >> DTC/Circuit Diagnosis >> Door Lock Actuator >> Driver Side >> DRIVER SIDE: Diagnosis Procedure

DRIVER SIDE: Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM - WITH INTELLIGENT KEY SYSTEM ".

  1. CHECK DOOR LOCK ACTUATOR SIGNAL
    1. Turn ignition switch OFF.
    2. Check voltage between BCM connector M20 terminals 59, 65 and ground.
    Connector Terminals Condition Voltage (V) (Approx.)
    (+) (-)
    M20 59 Ground Driver door lock/unlock switch is turned to UNLOCK 0 ↓ Battery voltage
    65 Driver door lock/unlock switch is turned to LOCK 0 ↓ Battery voltage
    Fig 1: Checking Voltage Between BCM Connector M20 Terminals 59, 65 And Ground
    G04902470Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal? 

    YES: GO TO 2

    NO: GO TO  3

  2. CHECK DOOR LOCK ACTUATOR HARNESS
    1. Disconnect BCM and front door lock assembly LH (actuator).
    2. Check continuity between BCM connector (A) M20 terminals 59, 65 and front door lock assembly LH (actuator) connector (B) D14 terminals 1, 2.
    Connector Terminals Connector Terminals Continuity
    M20 59 D14 2 Yes
    65 1
    Fig 2: Checking Continuity Between BCM Connector M20 And Front Door Lock Assembly LH (Actuator) Connector D14 Terminals
    G05702986Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal? 

    YES: Replace front door lock assembly LH (actuator).

    NO: Repair or replace harness.

  3. CHECK DOOR LOCK ACTUATOR HARNESS
    1. Disconnect BCM and front door lock assembly LH (actuator).
    2. Check continuity between BCM connector M20 terminals 59, 65 and ground.
    Connector Terminals Continuity
    M20 59 Ground No
    65
    Fig 3: Checking Continuity Between BCM Connector M20 Terminals 59, 65 And Ground
    G05381826Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal? 

    YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

    NO: Repair or replace harness.