Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Clearing Continuous Memory Codes

1. Perform Key ON Engine OFF (KOEO) self test.
2. When service codes begin to be displayed, deactivate self test as follows:
a. STAR tester, position center button in up position.
b. Analog volt/ohmmeter, remove jumper wire from self-test input connector and signal return pin of the self-test connector.
c. Check engine light, remove jumper wire from self-test input connector and signal return pin of the self-test connector.
3. Continuous codes should now be erased.