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

Control System (Output Devices)




1. Main relay
2. Fuel pump relay
3. Solenoid valves
4. Idle air control valve
5. Solenoid valve-Accelerated warm-up system (AWS)
6. Solenoid valve-Turbo precontrol
7. Solenoid valve-Wastegate control
8. Solenoid valve-Turbo control
9. Solenoid valve-Port air bypass
10. Solenoid valve-Relief 2
11. Solenoid valve-Split air bypass
12. A/C relay
13. Fan relay
14. Fuel pump relay (speed)
15. Fuel pump resistor.
16. Air pump relay
17. Data link connector
18. Air pump
19. Check valve-Port air