28 SENR9977 Systems Operation Section Power Supply for the Pressure Sensors g01143335 Illustration 36 Schematic for pressure sensors The ECM supplies 5.0 ± 0.2 DC volts through the ECM connector to each sensor. The power supply is protected against short circuits. A short in a sensor or a wiring harness will not cause damage to the ECM. Power Supply for the Throttle Position Sensor g01134572 Illustration 37 Schematic for the throttle position sensor The ECM supplies 8.0 ± 0.4 DC volts through the ECM connector to the sensor. The power supply is protected against short circuits. A short in a sensor or a wiring harness will not cause damage to the ECM.