LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2009 >> G37 Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater & Air Conditioning Control System -- Convertible >> Basic Inspection >> Diagnosis And Repair Workflow >> Work Flow >> Detailed Flow
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Detailed Flow

  1. INTERVIEW FOR MALFUNCTION

    Interview the symptom to the customer.

    GO TO 2.

  2. SYMPTOM CHECK

    Check the symptom from the customer's information.

    GO TO 3.

  3. BASIC INSPECTION

    Check the operation of each part. Check that any symptom occurs other than the interviewed symptom.

    GO TO 4.

  4. SELF-DIAGNOSIS WITH ON BOARD DIAGNOSIS SYSTEM

    Perform the self-diagnosis with on board diagnosis. Check that whether malfunction result is detected or not.

    Is malfunction result detected? 

    YES: GO TO 5.

    NO: GO TO  6.

  5. TROUBLE DIAGNOSIS BY MALFUNCTION

    Perform the trouble diagnosis for the detected malfunction result. Specify the malfunctioning part.

    GO TO  11.

  6. SELF-DIAGNOSIS WITH CONSULT-III

    Perform the self-diagnosis with CONSULT-III. Check that any DTC is detected.

    Is any DTC detected? 

    YES: GO TO 7.

    NO: GO TO  8.

  7. TROUBLE DIAGNOSIS BY DTC

    Perform the trouble diagnosis for the detected DTC. Specify the malfunctioning part.

    GO TO  11.

  8. FAIL-SAFE ACTIVATION CHECK

    Check that the symptom is applied to the fail-safe activation.

    Does the fail-safe activate? 

    YES: GO TO 9.

    NO: GO TO  10.

  9. SYSTEM DIAGNOSIS

    Perform the system diagnosis for the system that the fail-safe activates. Specify the malfunctioning part.

    GO TO  11.

  10. SYMPTOM DIAGNOSIS

    Perform the symptom diagnosis. Specify the malfunctioning part.

    GO TO 11.

  11. MALFUNCTION PART REPAIR

    Repair or replace the malfunctioning part.

    GO TO 12.

  12. REPAIR CHECK (SELF-DIAGNOSIS WITH ON BOARD DIAGNOSIS AND CONSULT-III)

    Perform the self-diagnoses with on board diagnosis and CONSULT-III. Check that any malfunction result or DTC is not detected. Erase DTC if DTC was detected before the repair. Check that DTC is not detected again.

    Are any malfunction result and DTC detected? 

    YES-1: If any malfunction results are detected. GO TO  5.

    YES-2: If any DTCs are detected. GO TO  7.

    NO: GO TO 13.

  13. REPAIR CHECK (OPERATION CHECK)

    Check the operation of each part.

    Does it operate normally? 

    YES: INSPECTION END

    NO: GO TO  3.