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)

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Vehicle Speed Reed Switch

INSPECTION CONDITION CRITERION VALUE
The vehicle is stopped 0 KPH (0 MPH)
Driving at 30 KPH (19 MPH) 30 KPH (19 MPH)
Driving at 50 KPH (31 MPH) 50 KPH (31 MPH)

POSSIBLE CAUSE (OR REMEDY) FOR THE ABNORMALITY
- If high speed signal is output when the vehicle stops, the vehicle speed red switch is defective.
- In other cases, vehicle speed reed switch or circuit harness is defective.