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Home >> Nissan-Datsun >> 2006 >> Altima SE-R, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing (VQ35DE) >> Electrical Load Signal >> Diagnostic Procedure
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Diagnostic Procedure

  1. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I 
    1. Turn ignition switch ON.
    2. Connect CONSULT-II and select "DATA MONITOR" mode.
    3. Fig 1: Consult-II DATA MONITOR Display Screen
      G04075263Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Select "LOAD SIGNAL" and check indication under the following conditions.
      CONDITION INDICATION

      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.

    Fig 2: Consult-II DATA MONITOR Display Screen
    G04075263Courtesy of NISSAN MOTOR CO., U.S.A.
    CONDITION INDICATION

    Condition Indication
    Lighting switch: ON at 2nd position ON
    Lighting switch: OFF OFF

    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.

    Fig 3: CONSULT-II Display - Data Monitor
    G04167562Courtesy of NISSAN MOTOR CO., U.S.A.
    CONDITION INDICATION

    Condition Indication
    Heater fan control switch: ON ON
    Heater fan control switch: OFF OFF

    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