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

Traction Control Switch: Testing and Inspection








Between terminal No. 4 and No. 5 (Illumination light circuit)
- There should be continuity.
Between terminal No. 1 and No. 2 (Switch circuit)
- There should be continuity when the switch is pushed, and there should be no continuity when the switch is released.