Operation CHARM: Car repair manuals for everyone.

X177 - Check CCRM



- Key Off.

- Disconnect CCRM.

- Key On, Engine Off.

- Is fuel pump off with CCRM disconnected?

YES -- Key Off. REPLACE CCRM. RE-EVALUATE symptom.

NO -- Key Off. SERVICE Power-to-Pump/FPM circuit short to power. RECONNECT CCRM. RE-EVALUATE symptom.