2008 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Diagnostic Procedure

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I 
    1. Turn ignition switch ON.
    2. Connect CONSULT-II and select "DATA MONITOR" mode.
      Fig 1: Identifying CONSULT-II Display - DATA MONITOR
      G04900770Courtesy of NISSAN NORTH AMERICA, INC.
    3. Select "LOAD SIGNAL" and check indication under the following conditions.
      CONDITION INDICATION CHART

      Condition Indication
      Rear window defogger switch: ON ON
      Rear window defogger switch: OFF OFF

    OK or NG 

    OK: GO TO 2.

    NG: GO TO  4.

  2. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II 

    Check "LOAD SIGNAL" indication under the following conditions.

    CONDITION INDICATION CHART

    Condition Indication
    Lighting switch: ON at 2nd position ON
    Lighting switch: OFF OFF
    Fig 2: Identifying CONSULT-II Display - DATA MONITOR
    G04900770Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: GO TO 3.

    NG: GO TO  5.

  3. CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION 

    Select "HEATER FAN SW" and check indication under the following conditions.

    CONDITION INDICATION CHART

    Condition Indication
    Heater fan control switch: ON ON
    Heater fan control switch: OFF OFF
    Fig 3: Identifying CONSULT-II Display - DATA MONITOR
    G04897391Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: INSPECTION END 

    NG: GO TO  6.

  4. CHECK REAR WINDOW DEFOGGER SYSTEM 

    Refer to "REAR WINDOW DEFOGGER ".

    INSPECTION END 

  5. CHECK HEADLAMP SYSTEM 

    Refer to "HEADLAMP (FOR USA) " or "HEADLAMP (FOR CANADA) - DAYTIME LIGHT SYSTEM - ".

    INSPECTION END 

  6. CHECK HEATER FAN CONTROL SYSTEM 

    Refer to "TROUBLE DIAGNOSIS " or "TROUBLE DIAGNOSIS ".

    INSPECTION END 

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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