[Tech II]

The Map sensor is a 3 wire sensor....5v, ground , and signal wire....If you have no voltage anywhere, it means you have no 5v voltage....either an open wire between the PCM and the sensor or bad PCM......I am leaning towards a broken wire(could be broken inside the insulation).....the 5v and ground are the outside wires(signal wire is the middle wire)........the ground will be a black wire.....