Thursday, December 1, 2011
Ford truck 6.0 L fuel injection control technical manual
FICM drive fuel and timing based on the fuel injector solenoid commands (via * CAN2 links) in the PCM. Engine speed and signal position (* CKPO, * CMPO) is to determine the need to be active injector. ignition switch provides * FICM KEYPWR. Once the signal is detected by the FICM * will join the FICM FICM relay output of MPR. This in turn provides the FICM logic supply voltage PWR * and * the FICM FICM. Key in the ON position if you placed the FICM injector output cycle. This is called at the time of the engine temperature pre-cycle pre-cycle depends. The circuit consists of self test Pre-cycle injector. The most common symptoms of a failed FICM: no start or constant temperature all Engine misfire. These symptoms can be caused by other than the FICM module is likely.
Download Pdf document:
http://www.ford-trucks.com/ford-manuals/6.0L%20Fuel%20Injection%20Control%20Module%20Tech%20Guide.pdf
