15H Check For No 5 Volts In System Power Circuit

1. Place ignition switch in Off position, disconnect both logic module electrical connectors.
2. Remove logic module from cowl side, then remove logic module cover to gain access to MAP sensor electrical connector.
3. Disconnect MAP sensor electrical connector, then connect both electrical connectors to logic module.
4. Connect a voltmeter between terminal No. 1 of logic module blue electrical connector and ground.
5. Place ignition switch in Run position.
6. If voltmeter indicates at least 4.5 volts, replace MAP sensor.
7. If voltmeter indicates no voltage, replace logic module.