BCM (Body Control Module) Removal and Refitting - Nissan Micra K12

How to remove and replace the BCM (body control module) on a 2003 to 2010 Nissan Micra K12. The BCM is responsible for monitoring and controlling various electronic accessories in a vehicle&body. In a car the BCM typically controls the power windows, power mirrors, air conditioning, immobilizer system, central locking, etc. If your BCM begins to malfunction, you will notice a negative effect on the operation of the various parts that the BCM commands and it’s likely that you’ll experience one or more of the following symptoms: 1. Repeated Battery Drain One of the most common symptoms associated with BCM failure is repeated, excessive battery drain, also known as a parasitic draw. While a certain amount of parasitic draw is permissible, excessive draw caused by a BCM fault can drain a battery in hours. This draw can occur when a BCM continues to supply power to a particular accessory at incorrect times. 2. Erratic Electrical Function A faulty BCM can also cause intermittent operation of various electrical functions, such as a vehicle’s wipers, lights, and horn. Erratic, sweeping instrument cluster dials are also a sign of BCM failure, as is irregular door lock and radio operation. The issues are more likely to be caused by a faulty BCM when more than one of these symptoms are present at any given time. 3. Security System Problems In nearly every instance, a vehicle’s security system is operated by the BCM. Therefore, it is easy to assume that consistent, yet unusual issues...