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
Idle Control System
Idle Control SystemWhen the engine is cold, the A/C compressor is on, the transmission is in gear, the brake pedal is pressed, or the alternator is charging, the ECM/PCM sends signals or communicates with the throttle actuator to maintain the correct
idle speed.
Brake Pedal Position SwitchThe brake pedal position switch signals the ECM/PCM when the brake pedal is pressed.