LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> FX50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (Security Control System (CROSSCABRIOLET)) >> Basic Inspection >> Diagnosis And Repair Work Flow >> Work Flow >> Detailed Flow
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Detailed Flow

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.
  1. GET INFORMATION ABOUT SYMPTOM

    Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).

    GO TO 2.

  2. CHECK DTC
    1. Verify DTC of "ENGINE", "BCM" and "IPDM E/R" using CONSULT.
    2. Perform the following procedure if DTC is detected.
      • Record DTC and freeze frame data (Print them out using CONSULT.)
      • Erase DTC.
      • Study the relationship between the cause detected by DTC and the symptom described by the customer.
    3. Check related service bulletins for information.

      Is any symptom described and any DTC detected? 

      Symptom is described, DTC is detected: GO TO 3.

      Symptom is described, DTC is not detected: GO TO  4.

      Symptom is not described, DTC is detected: GO TO  5.

  3. CONFIRM THE SYMPTOM

    Confirm the symptom described by the customer.

    Connect CONSULT to the vehicle, and verify self diagnostic results in real time.

    Verify relation between the symptom and the condition when the symptom is detected.

    GO TO  5.

  4. CONFIRM THE SYMPTOM

    Confirm the symptom described by the customer.

    Connect CONSULT to the vehicle, and verify self diagnostic results in real time.

    Verify relation between the symptom and the condition when the symptom is detected.

    GO TO  6.

  5. PERFORM DTC CONFIRMATION PROCEDURE

    Perform DTC Confirmation Procedure for the detected DTC, and then verify that DTC is detected again.

    At this time, always connect CONSULT to the vehicle, and verify diagnostic results in real time.

    If two or more DTCs are detected, refer to , "DTC INSPECTION PRIORITY CHART " (BCM) or , "DTC INDEX " (IPDM E/R), and determine trouble diagnosis order.

    Is DTC detected? 

    YES: GO TO  7.

    NO: Refer to , "INTERMITTENT INCIDENT ".

  6. DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

    Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step  4, and determine the trouble diagnosis order based on possible causes and symptom.

    GO TO 7.

  7. DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

    Inspect according to Diagnostic Procedure of the system.

    NOTE: The Diagnostic Procedure described based on open circuit inspection. A short circuit inspection is also required for the circuit check in the Diagnostic Procedure.

    Is malfunctioning part detected? 

    YES: GO TO 8.

    NO: Check voltage of related BCM terminals using CONSULT.

  8. REPAIR OR REPLACE THE MALFUNCTIONING PART
    1. Repair or replace the malfunctioning part.
    2. Reconnect parts or connectors disconnected during Diagnostic Procedure again after repair and replacement.
    3. Check DTC. If DTC is detected, erase it.

      GO TO 9.

  9. FINAL CHECK

    When DTC was detected in step  2, perform DTC Confirmation Procedure or Component Function Check again, and then verify that the malfunction has been repaired securely.

    With symptom that was described from the customer, refer to confirmed symptom in step  3 or  4, and verify that the symptom is not detected.

    Does the symptom reappear? 

    YES (DTC is detected): GO TO  7.

    YES (Symptom remains): GO TO  6.

    NO: INSPECTION END 

scientia non olet · About LEMON Manuals