X24 - Check FC/LFC Circuit For Short to Power

- Key Off.

- Breakout box installed, PCM disconnected.

- CCRM disconnected.

- Key On, Engine Off.

- Measure voltage between Test Pin 68 and battery negative post.

- Is voltage less than 1.0 volt?

YES -- GO to X25. X25 - FC/LFC Circuit Fault Isolation Check

NO -- SERVICE short to power in FC/LFC circuit. REMOVE breakout box. RECONNECT all components. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes