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

Radiator Fan System, Trionic T7 (2-Speed)



System Overview, Radiator Fan System, Petrol Engine, Trionic T7 (2-speed)







- Control module, DICE (628)
- Relay, 2-speed radiator fan, low speed (155)
- Relay, 2-speed radiator fan, high-speed (81)
- Motor, radiator fan (37)
- Engine management system, petrol (Trionic T7)
- Resistor, 2-speed radiator fan (367)
- Main Instrument Unit (540d)
- Engine coolant temperature sensor (202)
- Pressure sensor, A/C (620)