Inadvertent Power

The inadvertent power is either an output or an input, but never both. When the inadvertent power output is inactive, activating any lamp switch grounds the inadvertent power input through the lamp. As a result of the input, the Body Control Module (SBM) will activate the inadvertent power output.

The inadvertent power output supplies battery positive voltage (B+) to the lamps. Any of these lamps may drain the battery if you leave the lamps on. The BCM has a battery protection feature in order to protect the electrical system from these unwanted loads. The following 4 conditions may activate the inadvertent power output:
1. The ignition switch is in RUN.
2. The inadvertent power output is inactive and the inadvertent power input receives an active lamp input.
3. Any door opens.
4. The BCM receives an input from the Remote Function Actuator (RFA) module.

The BCM deactivates the inadvertent power output if any lamp is active for more than 10 minutes and the ignition switch is OFF during the entire period.