Test 14-Step F, Checking For A Shorted MAP Sensor

1. Turn ignition switch Off, then disconnect MAP sensor electrical connector.
2. Connect a voltmeter between terminal No. 1 of logic module blue connector and ground, then turn ignition switch to Run position.
3. If voltmeter reads 4.5 volts or more, replace MAP sensor.
4. If voltmeter indicates no voltage, replace logic module.