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

DRL Relay

Range: Active/Inactive
This output displays the state of the BCM in controlling the ground path for the DRL relay coil, turning the DRL illumination ON or OFF.

When the BCM is grounding the DRL relay coil and commanding the DRL lamps to be illuminated, ACTIVE is displayed. When the BCM is opening the ground to the DRL relay coil and commanding the DRL lamps to be OFF, INACTIVE is displayed.