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

HPL Solenoid Output Circuit Status

Display shows OK, OPEN, SHORT TO GND or SHORT TO VOLTS. This display indicates the monitored status of the output driver circuit for this output. OK should always be indicated unless a circuit fault is monitored.