GF15.12-P-0001-02L

ME-SFI ignition system signal assignment

Engine 137.970

P07.61-2265-09

Signal assignment engine 137 1 Cylinder ignition TDC (firing order) 2 Crank angle 3 Trigger mark used for ignition synchronous calculation, engine speed signal switches slope 4 Signal of crankshaft position sensor (L5) 5 Signal of camshaft Hall sensor, right bank of cylinders (B6/3) 6 Signal of camshaft Hall sensor, left bank of cylinders (B6/2) 7 TNA engine speed signal

a Cylinder 1 recognition at 2nd negative slope of signal of crankshaft position sensor after gap b Cylinder 7 recognition at 2nd negative slope of signal of crankshaft position sensor after gap plus 60° crank angle