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Home >> Nissan-Datsun >> 2023 >> Altima SL, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System >> Basic Inspection >> Additional Service When Replacing Control Unit >> Additional Service When Replacing BCM >> Work Procedure
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Work Procedure

BEFORE REPLACEMENT 

When replacing BCM, save or print current vehicle specification with CONSULT configuration before replacement.

NOTE: SYMBOL If "Before Replace ECU" cannot be used, use the "After Replace ECU" or "Manual Configuration" after replacing BCM.

AFTER REPLACEMENT 

CAUTION:
  • When replacing BCM, you must perform "After Replace ECU" with CONSULT.
    • Complete the procedure of "After Replace ECU" in order.
    • If you set incorrect "After Replace ECU", incidents might occur.
    • Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
  • When replacing BCM, perform the system initialization (NATS).

Work Procedure 

  1. SAVING VEHICLE SPECIFICATION (BCM) 
    1. SYMBOL CONSULT Perform "Before Replace ECU" of "Read / Write Configuration" to save or print current vehicle specification. Refer to Work Procedure .
      NOTE: SYMBOL If "Before Replace ECU" of "Read / Write Configuration" cannot be used, use the "Manual Configuration" after replacing BCM.

    >>

    GO TO 2.

  2. SAVING VEHICLE SPECIFICATION (CAN GATEWAY) 
    1. SYMBOL CONSULT Perform "Before Replace ECU" of "Read / Write Configuration" to save or print current vehicle specification. Refer to Work Procedure .
      NOTE: SYMBOL If "Before Replace ECU" of "Read / Write Configuration" cannot be used, use the "Manual Configuration" after replacing BCM.

    >>

    GO TO 3.

  3. SAVING VEHICLE SPECIFICATION (TPMS) 
    1. SYMBOL CONSULT Perform "Before Replace ECU" of "Read / Write Configuration" to save or print current vehicle specification.
      NOTE: SYMBOL If "Before Replace ECU" of "Read / Write Configuration" cannot be used, use the "Manual Configuration" after replacing BCM.

    >>

    GO TO 4.

  4. REPLACE BCM 
    1. Replace BCM. Refer to Removal and Installation .

    >>

    GO TO 5.

  5. WRITING VEHICLE SPECIFICATION (BCM) 
    1. SYMBOL CONSULT Perform "After Replace ECU" of "Read / Write Configuration" or "Manual Configuration" to write vehicle specification. Refer to Work Procedure .

    >>

    GO TO 6.

  6. REGISTER INTELLIGENT KEYS 
    1. SYMBOL CONSULT For initialization and registration of Intelligent Keys, refer to CONSULT Immobilizer mode and follow the on-screen instructions.

    >>

    GO TO 7.

  7. WRITING VEHICLE SPECIFICATION (TPMS) 
    1. SYMBOL CONSULT Perform "After Replace ECU" of "Read / Write Configuration" or "Manual Configuration" to write vehicle specification. Refer to Work Procedure .

    >>

    GO TO 8.

  8. WRITING VEHICLE SPECIFICATION (CAN GATEWAY) 
    1. SYMBOL CONSULT: Perform "After Replace ECU" of "Read / Write Configuration" or "Manual Configuration" to write vehicle specification. (3CH CAN Gateway) Work Procedure (6CH CAN Gateway) Work Procedure

    >>

    GO TO 9.

  9. INITIALIZE TPMS 
    1. Perform Tire pressure sensor ID registration. Refer to Work Procedure .

    >>

    Work End.