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ENTERING THE AZC SELF-DIAGNOSTIC MODE To enter the AZC self-diagnostic mode, perform the following: (1) Depress the A/C and Recirc buttons at the same time and hold. Rotate the left temperature con- (2) If you continue to hold the A/C and Recirc but- tons depressed, the AZC control module will perform (3) After viewing the Segment Test, release the A/C and Recirc buttons and the display will clear 9 or “historical”, all fault codes will be displayed in ascending numerical sequence (note no order). Each fault code is displayed for one second FAULT CODE TESTS Fault codes are two-digit numbers that identify a circuit that is malfunctioning. There are two differ- 1. Current Fault Codes - Current means the fault is present right now. There are two types of cur- 2. Historical Fault Codes - Historical or stored means that the fault occurred previously, but is not 24 - 14 HEATING AND AIR CONDITIONING WJ DIAGNOSIS AND TESTING (Continued) |