X23 - Check FC/LFC Circuit Continuity

- Key Off.

- Disconnect PCM. Inspect for damaged or pushed out pins, corrosion, and loose wires, etc. Service as necessary.

- Install breakout box, leave PCM disconnected.

- Disconnect CCRM.

- Measure resistance between Test Pin 68 (LFC) at the breakout box and Pin 14 (LFC) at the CCRM vehicle harness connector.

- Is resistance less than 5.0 ohms?

YES -- GO to X24. X24 - Check FC/LFC Circuit For Short to Power

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