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

Power and Ground Distribution: Testing and Inspection

Circuit Z12 which supplies a ground for the PCM high current drivers, terminates at the instrument panel left side cowl after passing through the Junction Block ground joint.

If the system loses ground for the Z12 circuit the vehicle will not operate. Check the condition of the ground at the instrument panel left side cowl.