1F A/C Push Button Switch Input Circuit
1. Place ignition switch in the Off position.
2. Connect a voltmeter between logic module black electrical connector terminal No. 11 and ground.
3. Start engine, then position blower switch to on and depress A/C button.
4. After A/C compressor clutch has engaged, note voltmeter reading.
5. If voltmeter reading is between 7 and 9 volts, check wiring from terminal No. 11 of logic module black electrical connector for and open circuit and repair as necessary.
6. If voltmeter reading is between 0 and 1 volt, replace logic module.