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Home >> Nissan-Datsun >> 2000 >> Sentra CA >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Multi-Remote Control Systems >> System Tests >> Driver's Door Unlock Sensor Check
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Driver's Door Unlock Sensor Check

  1. Check Driver's Door Unlock Sensor Input Signal

    Turn ignition off. Using DVOM, measure voltage (backprobe) between ground and terminal No. 36 (Yellow/Green wire) at Smart Entrance Control Unit (SECU) harness connector. See Figure . See WIRING DIAGRAMS  . Ensure voltage is as specified. See DRIVER'S DOOR UNLOCK SENSOR VOLTAGE SPECIFICATIONS  table. If voltage is as specified, door unlock sensor is okay. If voltage is not as specified, go to next step.
    DRIVER'S DOOR UNLOCK SENSOR VOLTAGE SPECIFICATIONS (1)

    Application (Terminal No.) & Condition Specification
    Driver's Door (36)
    Locked 5 Volts
    Unlocked Zero Volts
    (1) For terminal identification, see WIRING DIAGRAMS  .

  2. Check Driver's Door Unlock Sensor

    Disconnect door unlock sensor harness connectors. Using DVOM, check for continuity between door unlock sensor terminals. See WIRING DIAGRAMS  . Continuity should be present only when sensor is in unlocked position. If continuity is not as specified, replace door unlock sensor. If continuity is as specified, check for open or short in circuit between appropriate door unlock sensor and SECU. Check door unlock sensor ground circuit. Repair as necessary.
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