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

Service Hints

E7 (B), E9 (D), E10 (E) ENGINE CONTROL MODULE
IGSW - E1 : 9.0 - 14.0 volts with ignition SW at ON or ST position
BATT - E1 : Always 9.0 - 14.0 volts
STP - E1 : 7.5 - 14 volts with brake pedal is depressed
: Below 1.5 volts with brake pedal is released

C20 CRUISE CONTROL SW [COMBINATION SW]
5 - 4 : Approx. 1540 Ohms with CANCEL SW on
: Approx. 240 Ohms with RES/ACC SW on
: Approx. 630 Ohms with SET/COAST SW on