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

Electronic Control Module Inputs






- Remote control antenna, signal
- Lighting switch, luggage
- Door switches
- Glass breakage sensor, ground
- Central locking system, unlocking (car key)
- Glass breakage sensor, signal
- Ignition "ON" (+15)
- Main ground
- Remote control antenna, ground
- Microswitch, luggage compartment lock
- Engine hood switch
- Central locking system, locking (car key)
- Door indication, driver door
- Scan tool diagnostics, Intelligent Saab Tester (ISAT) scan tool
- Relay, starter motor (ignition "ST", +50)
- Relay, fuel pump
- Luggage compartment switch
- Voltage supply +30