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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Audio, Visual & Navigation System (Diagnostics, Service Information) >> Basic Inspection >> Additional Service When Replacing Av Control Unit >> Work Procedure
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Work Procedure

  1. SAVE VIN DATA (AV CONTROL UNIT) 

    SYMBOL CONSULT work support

    Perform "SAVE VIN DATA" to save current VIN data.

    GO TO 2.

  2. SAVE "OPERATION LOG" 

    SYMBOL CONSULT

    Save Operation Log, according to the procedure of "Programming" in CONSULT Operation Manual.

    NOTE: AV control unit part number is saved in "Operating Log" saved in CONSULT.

    GO TO 3.

  3. REPLACE AV CONTROL UNIT 

    Replace AV control unit. Refer to Removal and Installation .

    GO TO 4.

  4. CHECK "OPERATION LOG" 

    SYMBOL CONSULT

    Check "Operation Log" saved before replacing the AV control unit, according to the procedure of "Programming" in CONSULT Operation Manual.

    NOTE: For the vehicle that the programming is to be performed, check if "Operation Log" of parts number is in Saved Data List.

    Is there an applicable Operation Log in the Saved Data List?

    YES

    GO TO 5.

    NO

    GO TO 6.

  5. PERFORM AV CONTROL UNIT PROGRAMMING 

    SYMBOL CONSULT

    Perform AV control unit programming, according to "Programming" of CONSULT Operation Manual. Refer to CONSULT Operation Manual.

    CAUTION: During programming, maintain the following conditions:
    • Ignition switch: ON
    • Electric load: OFF
    • Brake pedal: Not depressed
    • 12 V battery voltage: 12 - 13.5 V (Check the value displayed on the CONSULT screen.)

    GO TO 8.

  6. READ IN AV CONTROL UNIT PART NUMBER BY "FAST LINKED" 

    Obtain AV control unit part number by NISSAN PARTS CATALOGUE GLOBAL Web-FAST, according to the procedure of "FAST linked" in CONSULT Operation Manual. Refer to CONSULT Operation Manual.

    CAUTION: Be sure select "FAST linked".
    NOTE: "FAST linked" allows an appropriate programming by obtaining ECU part number from NISSAN PARTS CATALOGUE GLOBAL Web-FAST even when the part number cannot be obtained from the old ECU used before replacing with a new one.

    GO TO 7.

  7. PERFORM PROGRAMMING (FAST LINKED) 

    SYMBOL CONSULT

    Perform AV control unit programming according to the procedure of FAST linked in CONSULT Operation Manual. Refer to CONSULT Operation Manual.

    CAUTION: During programming, maintain the following conditions:
    • Ignition switch: ON
    • Electric load: OFF
    • Brake pedal: Not depressed
    • 12 V battery voltage: 12 - 13.5 V (Check the value displayed on the CONSULT screen.)

    GO TO 8.

  8. CONFIGURATION (AV CONTROL UNIT) 

    SYMBOL CONSULT Configuration

    Perform configuration. Refer to Work Procedure .

    GO TO 9.

  9. WRITE VIN DATA (AV CONTROL UNIT) 

    SYMBOL CONSULT work support

    Perform "WRITE VIN (SAVED DATA)" or "WRITE VIN (MANUAL INPUT)" to write VIN data.

    Work End.