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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2214 (Security Control System (With Intelligent Key System)) >> Basic Inspection >> Diagnosis And Repair Workflow >> Work Flow >> Detailed Flow
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Detailed Flow

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. GET INFORMATION FOR 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. Check DTC for Intelligent Key unit and BCM.
    2. Perform the following procedure if DTC is displayed.
      • 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 displayed>>GO TO 3

    Symptom is described, DTC is not displayed>>GO TO  4

    Symptom is not described, DTC is displayed>>GO TO  5

  3. CONFIRM THE SYMPTOM

    Confirm the symptom described by the customer.

    Connect CONSULT to the vehicle in "DATA MONITOR" mode and check real-time diagnosis results.

    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 in "DATA MONITOR" mode and check real-time diagnosis results.

    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 displayed DTC, and then check that DTC is detected again.

    If two or more DTCs are detected, refer to "DTC INSPECTION PRIORITY CHART " (Intelligent Key unit), "DTC INSPECTION PRIORITY CHART " (BCM) and determine trouble diagnosis order.

    Is DTC detected? 

    YES: GO TO  8

    NO: Refer to "INTERMITTENT INCIDENT ".

  6. PERFORM BASIC INSPECTION

    Perform Basic Inspection. Refer to "BASIC INSPECTION ".

    GO TO 7

  7. DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE

    Detect malfunctioning system according to Symptom Table based on the confirmed symptom in step  4.

    GO TO 8

  8. DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

    Inspect according to Diagnostic Procedure of the system.

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

    GO TO 9

  9. 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 displayed, erase it.

    GO TO 10

  10. FINAL CHECK

    When DTC was detected in step  9, perform DTC Confirmation Procedure or Component Function Check again, and then check that the malfunctions have been fully repaired.

    When symptom was described by the customer, refer to the confirmed symptom in step  3 or  4, and check that the symptom is not detected.

    Does the symptom reappear? 

    YES (DTC is detected)>>GO TO  8

    YES (Symptom remains)>>GO TO  6

    NO: Inspection End.

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