AC–17 AIR CONDITIONING SYSTEM – TROUBLESHOOTING 0.5 Seconds ON OFF 0.5 Seconds AT0716 Warning for A/C compressor lock If compressor lock occurs during air conditioning operation, the [A/C] switch indicator on the air conditioning control as- sembly starts blinking. When this occurs, check for compressor lock using panel diagnosis check then proceed to inspect the circuit or the component. Compressor lock sensor circuit → page AC–38 LIST OF OPERATION METHODS By operating each of the air conditioning control switches as shown in the diagram below, it is possible to enter the diagnosis check mode. Turn ignition switch ON with AUTO and switches held down. If both Auto switch and switch are not pressed at the same time. Indicator Check OFF Diagnostic Sensor Check (continuous operation) AUTO Actuator Check (continuous operation) OFF REAR TEMP OFF Diagnostic Sensor Check (stepped operation) AUTO REAR Cancel check mode and can start conditioning control N09008 : Indicates a switch operation