SYS.OK|MANUAL.DBâ—Ź LIVE
HOMESERVICE MANUALSNISSAN-DATSUN2012SENTRA SE-RREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSBODY, LOCK & SECURITY SYSTEMSERVICE INFORMATIONPOWER DOOR LOCK SYSTEMPASSENGER SELECT UNLOCK RELAY CIRCUIT INSPECTION (WITH INTELLIGENT KEY)
2012 Nissan-Datsun Sentra SE-R

Passenger Select Unlock Relay Circuit Inspection (With Intelligent Key)

2012 Nissan-Datsun Sentra SE-RSECTION Passenger Select Unlock Relay Circuit Inspection (With Intelligent Key)
  1. CHECK PASSENGER SELECT UNLOCK RELAY CIRCUIT
    NOTE: Passenger select unlock relay must remain connected during this step.
    1. Turn ignition switch OFF.
    2. Disconnect BCM and inoperative rear door lock actuator.
    3. Check continuity between BCM connector M20 (A) terminal 65 and rear door lock actuator LH connector D202 (B) terminal 1 or rear door lock actuator RH connector D302 (C) Terminal 2.

      65 - 1: Continuity should exist  .

      65 - 2: Continuity should exist  .

    4. Check continuity between BCM connector M20 (A) terminal 65 and body ground.

      65 - Ground: Continuity should not exist  .

      Fig 1: Checking Passenger Select Unlock Relay Circuit
      G08181118Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: GO TO  4.

      NG: GO TO 2.

  2. CHECK PASSENGER SELECT UNLOCK RELAY INPUT
    1. Disconnect passenger select unlock relay.
    2. Check continuity between BCM connector M20 (A) terminal 66 and passenger select unlock relay connector M14 (B) terminal 3.

      66 - 3: Continuity should exist  .

    3. Check continuity between BCM connector M20 (A) terminal 66 and body ground.

      66 - Ground: Continuity should not exist  .

      Fig 2: Checking Passenger Select Unlock Relay Input
      G04927583Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: GO TO 3.

      NG: Repair or replace harness between BCM and relay.

  3. CHECK PASSENGER SELECT UNLOCK RELAY OUTPUT
    1. Disconnect inoperative rear door lock actuator.
    2. Check continuity between passenger select unlock relay connector M14 (A) terminal 4 and rear door lock actuator LH connector D202 (B) terminal 2 or rear door lock actuator RH connector D302 (C) terminal 1.

      4 - 2: Continuity should exist  .

      4 - 1: Continuity should exist  .

    3. Check continuity between passenger select unlock relay connector M14 (A) terminal 4 and ground.

      4 - Ground: Continuity should not exist  .

      Fig 3: Checking Passenger Select Unlock Relay Output
      G08181120Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: Replace passenger select unlock relay.

      NG: Repair or replace harness between relay and actuator.

  4. CHECK REAR DOOR LOCK ACTUATOR ASSEMBLY
    1. Reconnect BCM.
    2. Check voltage between rear door lock actuator connector LH D202 (A) or rear door lock actuator connector RH D302 (B) terminals 1 and 2.
      Connector Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      A: D202 (LH) 1 2 Main power window and door lock/unlock switch is turned to LOCK 0 → Battery voltage
      B: D302 (RH) 2 1
      Fig 4: Checking Rear Door Lock Actuator Assembly
      G08181121Courtesy of NISSAN NORTH AMERICA, INC.
    3. Check voltage between rear door lock actuator connector LH D202 (A) or rear door lock actuator connector RH D302 (B) terminals 1 and 2.
      Connector Terminals Condition Voltage (V) (Approx.)
      (+) (-)
      A: D202 (LH) 2 1 Main power window and door lock/unlock switch is turned to UNLOCK 0 → Battery voltage
      B: D302 (RH) 1 2
      Fig 5: Checking Rear Door Lock Actuator Assembly
      G08181122Courtesy of NISSAN NORTH AMERICA, INC.

      OK or NG 

      OK: Replace rear door lock actuator. Refer to , "REMOVAL AND INSTALLATION ".

      NG: Repair or replace harness between actuator and splice.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.