Operation CHARM: Car repair manuals for everyone.

Service Hints

E4 (A), E5 (B), E6 (C), E7 (D), E8 (E) ENGINE CONTROL MODULE
BATT - E1 : Always 9.0 - 14.0 volts

+BM - E1 : Always 9.0 - 14.0 volts

IGSW - E1 : 9.0 - 14.0 volts with the ignition SW at ON position

+B, +B1 - E1 : 9.0 - 14.0 volts with the ignition SW at ON position

STP - E1 : 7.5 - 14.0 volts with the brake pedal depressed

SPD - E1 : Pulse generation with the vehicle moving

C9 CRUISE CONTROL SW [COMB. SW]
5 - 4 : Approx. 1540 Ohm with the CANCEL SW on
: Approx. 240 Ohm with the RES/ACC SW on
: Approx. 630 Ohm with the SET/COAST SW on