2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Setting Change Functions

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  • Sensitivity of auto light system can be adjusted using CONSULT-II. Refer to "WORK SUPPORT ".

CHECK POWER SUPPLY AND GROUND CIRCUIT 

  1. CHECK FUSES OR FUSIBLE LINK 
    • Check for blown-out fuses or fusible link.
    UNIT AND FUSE NO SPECIFICATION CHART

    Unit Power source Fuse No.
    BCM Battery j
    3
    Ignition switch ON or START position 16
    Ignition switch ACC or ON position 4 -
    IPDM E/R Battery 34
    36
    38
    41
    45
    -

    Refer to "WIRING DIAGRAM --- AUTO/L --- ".

    OK or NG

    1. OK: GO TO 2.
    2. NG: If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to SYSTEM WIRING DIAGRAMS .
  2. CHECK POWER SUPPLY CIRCUIT 
    1. Disconnect BCM connector.
    2. Check voltage between BCM harness connector and ground.
    TERMINAL VOLTAGE CHART

    Terminals Ignition switch position
    (+) (-) OFF ACC ON
    Connector Terminal (Wire color)
    M18 11 (V) Ground 0V Battery voltage Battery voltage
    38 (R) 0V 0V Battery voltage
    M19 42 (Y/G) Battery voltage Battery voltage Battery voltage
    55 (W/B) Battery voltage Battery voltage Battery voltage

    OK or NG

    1. OK: GO TO 3.
    2. NG: Check harness for open between BCM and fuse.
      Fig 1: Checking Voltage Between BCM Harness Connector & Ground
      G03500513Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK GROUND CIRCUIT 

    Check continuity between BCM harness connector and ground.

    TERMINAL CONTINUITY CHART

    Terminals Continuity
    (+) (-)
    Connector Terminal (Wire color)
    M19 49 (B) Ground Yes
    52 (B/W)

    OK or NG

    1. OK: INSPECTION END.
    2. NG: Check ground circuit harness.
      Fig 2: Checking Continuity Between BCM Harness Connector & Ground
      G03500514Courtesy of NISSAN MOTOR CO., U.S.A.
Factory Service Tools

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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.

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