X52 - Check If High Speed Fan Will Run - Bypassing CCRM

- Key Off.

- CCRM disconnected.

- Connect a jumper wire between Pin 4 and Pin 6 of the CCRM vehicle harness connector.

- Check if high speed fan is running.

- Remove jumper wire.

- Did high speed fan run with jumper wire installed?

YES -- REPLACE CCRM. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes

NO -- GO to X53. X53 - Check Continuity of Power-to-High Speed Fan Circuit