X22 - Check Fan Running Mode
- Key Off.
- Breakout box installed, PCM disconnected.
- Connect CCRM.
- Key On, Engine Off.
- Is the fan running?
YES -- REPLACE PCM. REMOVE breakout box. RECONNECT all components. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes
NO -- REPLACE CCRM. REMOVE breakout box. RECONNECT all components. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes