ECM Pinout/Terminal I.D. Charts
MOTRONIC 4.4 PINOUTSThe values specified in the table apply with the engine unloaded at operating temperature.
U = Volts DC
Ubat = Battery Voltage
Ulow = Voltage Close to 0 Volts or is 0 Volts
t = Time in Milliseconds
UAC = Alternating Current in Volts
f = Frequency in Hertz (Hz)
%duty = Duty Cycle (pulse quotient) in percent (%)
CONNECTOR A TERMINALS A1 - A43
All values specified below are measured between the ground terminal specified in column 1 and terminal A42 (signal ground), unless otherwise indicated in brackets.
A1-a10:
Terminals A1 - A10
A11-A24:
Terminals A11 - A24
A25-A33:
Terminals A25 - A33
A34-A43:
Terminals A34 - A43
CONNECTOR B TERMINALS B1 - B43
All values specified below are measured between the ground terminal specified in column 1 and terminal B28 (signal ground), unless indicated in brackets.
B1-B18:
Terminals B1 - B18
B19-B30:
Terminals B19 - B30
B31-B43:
Terminals B31 - B43