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Home >> Nissan-Datsun >> 2007 >> Murano S, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> 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. Select "LOAD SIGNAL" and check indication under the following conditions.
      DATA MONITOR REFERENCE

      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.

    Fig 1: CONSULT-II Display - Data Monitor
    G04900770Courtesy of NISSAN NORTH AMERICA, INC.
  2. CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II 

    Check "LOAD SIGNAL" indication under the following conditions.

    LOAD SIGNAL REFERENCE

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

    OK or NG

    OK: GO TO 3.

    NG: GO TO  5.

    Fig 2: CONSULT-II Display - Data Monitor
    G04900770Courtesy of NISSAN NORTH AMERICA, INC.
  3. CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION 

    Check "HEATER FAN SW" in "DATA MONITOR" mode with CONSULT-II under the following conditions.

    HEATER FAN SW REFERENCE

    Condition LOAD SIGNAL
    Heater fan control switch: ON ON
    Heater fan control switch: OFF OFF

    OK or NG

    OK: INSPECTION END.

    NG: GO TO  6.

    Fig 3: CONSULT-II Display - Data Monitor
    G04897391Courtesy of NISSAN NORTH AMERICA, INC.
  4. CHECK REAR WINDOW DEFOGGER SYSTEM 

    Refer to , "REAR WINDOW DEFOGGER ".

    : INSPECTION END 

  5. CHECK HEADLAMP SYSTEM 

    Refer to , "HEADLAMP - XENON TYPE - " or LT-37, "HEADLAMP - CONVENTIONAL TYPE-".

    : INSPECTION END 

  6. CHECK HEATER FAN CONTROL SYSTEM 

    Refer to , "TROUBLE DIAGNOSIS ".

    : INSPECTION END