2B Power Supply to MAP Sensor

1. Place ignition switch in the Off position and remove manifold absolute pressure sensor from logic module with electrical connector connected.
2. Turn ignition to the On position with the engine Off.
3. Position positive lead of voltmeter on red wire connection at MAP sensor printed circuit board and negative voltmeter lead to ground.
4. If voltmeter indicates at least 4 volts, proceed to Test 2 step C.
5. If voltmeter indicates no voltage, replace logic module.