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

Cruise Control Servo: Testing and Inspection




Check the resistance and current values between the pump & VSV connector terminals.

Repair or replace the pump & VSV when the result of inspection is found abnormal.




Inspection of operation
Apply the battery voltage between the pump & VSV connector terminals, and check to see if the motor and actuator operate smoothly.

Repair or replace the pump & VSV when the result of inspection is found abnormal.