Operation CHARM: Car repair manuals for everyone.

Service Hints

E2 (A), E3 (B), E4 (C), E6 (E) ENGINE CONTROL MODULE
BATT - GROUND : Always approx. 12 volts
+BM - GROUND : Always approx. 12 volts
IGSW - GROUND : Approx. 12 volts with ignition SW at ON or ST position
STA - GROUND : Approx. 12 volts with ignition SW at ST position
EC - GROUND : Always continuity
ME01 - GROUND : Always continuity
E01 - GROUND : Always continuity
E02 - GROUND : Always continuity
E03 - GROUND : Always continuity
E1 - GROUND : Always continuity

C6 COMBINATION METER
1 - GROUND : Approx. 12 volts with ignition SW at ON or ST position
12 - GROUND : Always approx. 12 volts
11 - GROUND : Always continuity