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
Engine Control Module: Description and Operation
Holding Circuit Wiring DiagramMotronic With Holding Circuit Since 12/86 - Terminals 27 And 36 Used:
Motronic Without Holding Circuit Before 12.86:
-
The holding circuit makes sure that the Motronic master relay remains activated for another 3 sec. after switching off ignition lock terminal 15 and stopping the engine.
