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A/C DISPLAY HAC-125 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] C D E F G H J K L M A B HAC N O P A/C DISPLAY Diagnosis Procedure INFOID:0000000009176864 WITH BASE AUDIO SYSTEM Regarding Wiring Diagram information, refer to 1. CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT 1. Using CONSULT, perform “SELF-DIAGNOSIS RESULTS” of HVAC. 2. Check if any DTC No. is displayed in the self-diagnosis results. NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to . Is any DTC No. displayed? YES >> Perform diagnosis for the applicable DTC. Refer to NO >> GO TO 2. 2. CHECK RX (A/C AUTO AMP. → A/C DISPLAY UNIT) CIRCUIT CONTINUITY 1. Disconnect the A/C switch assembly, A/C display unit and the A/C auto amp. connectors. 2. Check continuity between A/C display unit harness connector M148 terminal 10 and A/C auto amp. har- ness connector M50 terminal 4. 3. Check continuity between A/C display unit harness connector M148 terminal 10 and ground. Is the inspection result normal? YES >> Perform trouble diagnosis for the A/C display unit. Refer to HAC-119, "A/C DISPLAY UNIT : Diag- . NO >> Repair harness or connector. A/C display unit A/C auto amp. Continuity Connector Terminal Connector Terminal M148 10 M50 4 Yes A/C display unit — Continuity Connector Terminal M148 10 Ground No |