Fuel Enable Control

The following actions occur when the CTD is armed:
1. The BCM sends a fuel disable signal to the PCM.
2. The PCM disables the fuel injectors. This action prevents the engine from starting.

The following actions occur when the system is disarmed:
1. The BCM sends a fuel enable signal to the PCM.
2. The PCM enables fuel delivery to the engine. The engine can start.