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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 1498 (Body, Lock & Security System) >> Vehicle Security (Theft Warning) System >> Diagnostic Procedure 1
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Diagnostic Procedure 1

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Door Switch Check (Without Power Back Door)

  1. CHECK DOOR SWITCHES INPUT SIGNAL 

    With CONSULT-II

    Check door switches ("DOOR SW-DR", "DOOR SW-AS""DOOR SW-RL", "DOOR SW-RR""BACK DOOR-SW") in DATA MONITOR mode with CONSULT-II. Refer to "DATA MONITOR ".

    Fig 1: CONSULT-II Data Display DATA MONITOR
    G02448163Courtesy of NISSAN MOTOR CO., U.S.A.
    • When any doors are open:
      • DOOR SW-DR: ON 
      • DOOR SW-AS: ON 
      • DOOR SW-RR: ON 
      • DOOR SW-RL: ON 
      • BACK DOOR SW: ON 
    • When any doors are closed:
      • DOOR SW-DR: OFF 
      • DOOR SW-AS: OFF 
      • DOOR SW-RR: OFF 
      • DOOR SW-RL: OFF 
      • BACK DOOR SW: OFF 

    Without CONSULT-II

    Check voltage between BCM connector M18 or M20 terminals 12, 13, 58, 62, 63 and ground.

    Fig 2: Voltage Specifications
    G02448164Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Checking Voltage Between BCM Connector M18 Or M20 Terminals 12, 13, 58, 62, 63 & Ground
    G02448165Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Door switch is OK.
    • NG: GO TO 2.
  2. CHECK DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect door switch and BCM.
    3. Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B46 (Sliding LH), B135 (Sliding RH) or D512 (Back) terminal 1 and BCM connector M18, M20 terminals 12, 13, 58, 62 and 63.
      • 1 (GR/R) - 62 (GR): Continuity should exist. 
      • 1 (GR/L) -12 (GR/L): Continuity should exist. 
      • 1 (W/G) - 63 (R/W): Continuity should exist. 
      • 1 (R/W) - 13 (O/B): Continuity should exist. 
      • 1 (O) - 58 (O): Continuity should exist. 
    4. Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B46 (Sliding LH), B135 (Sliding RH) or D512 (Back) terminal 1 and ground.
      Fig 4: Checking Continuity Between Door Switch Connector B8 Or D512 Terminal 1 & Ground
      G02448166Courtesy of NISSAN MOTOR CO., U.S.A.
      • 1 (GR/R, GR/L, W/G, R/W or O) - Ground: Continuity should not exist. 

    OK or NG

    • OK: GO TO 3.
    • NG: Repair or replace harness.
  3. CHECK DOOR SWITCHES 
    • Disconnect door switch harness.
    • Check continuity between door switch terminal 1 and ground.
      Fig 5: Continuity Specifications
      G02448167Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 6: Checking Continuity Between Door Switch Terminal 1 & Ground
      G02448168Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Check door switch case ground condition (front and sliding door) or ground circuit (back door).
    • NG: Replace door switch.

Door Switch Check (With Power Back Door)

  1. CHECK DOOR SWITCHES INPUT SIGNAL 

    With CONSULT-II

    Check door switches ("DOOR SW-DR", "DOOR SW-AS""DOOR SW-RL", "DOOR SW-RR", BACK DOOR-SW") in DATA MONITOR mode with CONSULT-II. Refer to "DATA MONITOR ".

    Fig 7: CONSULT-II Data Display DATA MONITOR
    G02448169Courtesy of NISSAN MOTOR CO., U.S.A.
    • When any doors are open:
      • DOOR SW-DR: ON 
      • DOOR SW-AS: ON 
      • DOOR SW-RR: ON 
      • DOOR SW-RL: ON 
      • BACK DOOR SW: ON 
    • When any doors are closed:
      • DOOR SW-DR: OFF 
      • DOOR SW-AS: OFF 
      • DOOR SW-RR: OFF 
      • DOOR SW-RL: OFF 
      • BACK DOOR SW: OFF 

    Without CONSULT-II

    Check voltage between BCM connector M18 or M20 terminals 12, 13, 58, 62, 63 and ground.

    Fig 8: Voltage Specifications
    G02448170Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 9: Checking Voltage Between BCM Connector M18 Or M20 Terminals 12, 13, 58, 62, 63 & Ground
    G02448171Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Door switch is OK.
    • NG: GO TO 2.
  2. CHECK DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect door switch and BCM.
    3. Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B46 (Sliding LH), B135 (Sliding RH) terminal 1 or back door latch actuator D511 terminal 7 and BCM connector M18, M20 terminals 12, 13, 58, 62 and 63
      • 1 (GR/R) - 62 (GR/R): Continuity should exist. 
      • 1 (GR/L) - 12 (GR/L): Continuity should exist. 
      • 1 (W/G) - 63 (W/G): Continuity should exist. 
      • 1 (R/W) - 13 (O/B): Continuity should exist. 
      • 7 (O) - 58 (O): Continuity should exist. 
    4. Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B46 (Sliding LH), B135 (Sliding RH) terminal 1 or D511 (Back door) terminal 7 and ground.
      Fig 10: Checking Continuity Between BCM, Door Switch Connector And Back Door Latch Terminals
      G02448172Courtesy of NISSAN MOTOR CO., U.S.A.
      • 1 (GR/R, GR/L, W/G or R/W) - Ground: Continuity should not exist. 
      • 7 (O) - Ground: Continuity should not exist. 

    OK or NG

    • OK: GO TO 3.
    • NG: Repair or replace harness.
  3. CHECK DOOR SWITCHES 
    • Disconnect door switch harness.
    • Check continuity between door switch terminals.
      Fig 11: Checking Continuity Between Door Switch Terminal 1, Back Door Latch Terminal 7 & Ground
      G02448174Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: Check door switch case ground condition.
    • NG: Replace door switch.
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