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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Body Control System >> Removal And Installation >> BCM >> Removal and Installation

Removal and Installation

CAUTION:
  • Before replacing the BCM, perform "READ CONFIGURATION" to save or print current vehicle specification. Refer to Description .
  • When replacing the BCM, a new BCM must be used. The functions controlled by the BCM do not operate properly if a BCM from another vehicle is used.

REMOVAL 

  1. Disconnect the negative battery terminal. Refer to Battery Disconnect .
  2. Remove instrument lower panel (LH). Refer to Removal and Installation .
  3. Remove the BCM bolt.
  4. Disconnect the harness connectors from the BCM (1) and remove.
    GNSDB139191Courtesy of NISSAN NORTH AMERICA, INC.

INSTALLATION 

Installation is in the reverse order of removal.

CAUTION:
  • If replacing BCM perform "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM)". Refer to Description .
  • Be sure to perform the system initialization (NATS) when replacing BCM. Refer to Description .
  • When replacing BCM, if new BCM does not come with keyfobs attached, all existing keyfobs must be re-registered.
  • For initialization and registration of Intelligent Key, refer to CONSULT Immobilizer mode and follow the on-screen instructions.