LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2091 (Automatic Air Conditioner) >> Trouble Diagnosis >> Magnet Clutch Circuit >> Inspection Flow

Inspection Flow

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - MAGNET CLUTCH 
    1. Turn ignition switch ON.
    2. Press the AUTO switch.
    3. Confirm that the compressor clutch engages (sound or visual inspection). (Discharge air and blower speed will depend on ambient, in-vehicle and set temperatures.)

    Can the symptom be duplicated? 

    Yes: GO TO  3.

    No: GO TO  2.

  2. CHECK FOR ANY SYMPTOMS 

    Perform a complete operational check for any symptoms. Refer to "OPERATIONAL CHECK ".

    Does another symptom exist? 

    YES: Refer to "SYMPTOM TABLE ".

    NO: System OK.

  3. CHECK FOR SERVICE BULLETINS 

    Check for any service bulletins.

    : GO TO  4.

  4. PERFORM FRONT AIR CONTROL SELF-DIAGNOSIS 

    Perform front air control self-diagnosis. Refer to "FRONT AIR CONTROL SELF - DIAGNOSIS ".

    OK or NG 

    OK: GO TO  5.

    NG: Perform power and ground circuit for front air control. Refer to "POWER SUPPLY AND GROUND CIRCUIT FOR FRONT AIR CONTROL AND UNIFIED METER AND A/C AMP .".

  5. PERFORM SELF-DIAGNOSIS STEP - 2 

    Perform self-diagnosis STEP - 2. Refer to "FUNCTION CONFIRMATION PROCEDURE ".

    OK or NG 

    OK: GO TO  6.

    NG: Check appropriate malfunctioning sensor circuit.

  6. PERFORM SELF-DIAGNOSIS STEP - 4 

    Perform self-diagnosis STEP - 4. Refer to "FUNCTION CONFIRMATION PROCEDURE ".

    OK and NG 

    OK: GO TO  7.

    NG: Check for refrigerant pressure. Refer to "TROUBLE DIAGNOSES FOR UNUSUAL PRESSURE "

  7. CHECK AMBIENT SENSOR CIRCUIT (CAUSE CANNOT BE CONFIRMED BY SELF-DIAGNOSIS.) 

    Perform diagnostic procedure for the ambient sensor circuit. Refer to "AMBIENT SENSOR CIRCUIT ".

    OK or NG 

    OK: GO TO  8.

    NG: Repair as necessary.

  8. CHECK INTAKE SENSOR CIRCUIT 

    Perform diagnostic procedure for the intake sensor circuit. Refer to "INTAKE SENSOR CIRCUIT ".

    OK or NG 

    OK: If the symptom still exists, perform a complete operational check. Refer to "OPERATIONAL CHECK " and check for other symptoms. Refer to "SYMPTOM TABLE ". If no other symptom exists replace unified meter and A/C amp. Refer to "UNIFIED METER AND A/C AMP .".

    NG: Repair as necessary.

scientia non olet · About LEMON Manuals