DR-1G A/C Push Button Switch Input Circuit

1. Turn ignition switch Off.
2. Connect a voltmeter to cavity 11 of blue connector and ground, then start engine.
3. Move blower switch to on position, then push A/C button and wait for A/C clutch to engage.
4. If voltmeter reading is between 7 and 9 volts with A/C clutch engaged, locate and repair open circuit in wire of cavity 11 to engine harness splice.
5. If voltmeter reading is between 0 and 1 volt with A/C clutch engaged, replace logic module.
CAUTION: Before replacing the logic module check terminal in cavity No. 11 of the blue connector to make sure it is not crushed causing a poor connection.