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

Door Lock Control

B4 (A), B5 (B) BODY ECU
1 - GROUND : Always approx. 12 volts
2 - GROUND : Approx. 12 volts with ignition SW at ON or ST position
3 - GROUND : Approx. 12 volts with ignition SW at ACC or ON position
7 - GROUND : Always approx. 12 volts
(A)24 - GROUND : Always approx. 12 volts
(A)11 - GROUND : Always continuity
(B)14 - GROUND : Always continuity

D19 DRIVER DOOR ECU
13 - GROUND : Always continuity
23 - GROUND : Always approx. 12 volts

F14 FRONT PASSENGER DOOR ECU
8 - GROUND : Always continuity
12 - GROUND : Always approx. 12 volts