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U1000 CAN COMM CIRCUIT HAC-193 < DTC/CIRCUIT DIAGNOSIS > [MANUAL AIR CONDITIONING] C D E F G H J K L M A B HAC N O P DTC/CIRCUIT DIAGNOSIS U1000 CAN COMM CIRCUIT Description INFOID:0000000010432529 CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-board mul- LAN-56, "CAN COMMUNICATION SYSTEM : CAN Communication Signal Chart" communication signal. DTC Logic INFOID:0000000010432530 DTC DETECTION LOGIC POSSIBLE CAUSE CAN communication system FAIL-SAFE — DTC CONFIRMATION PROCEDURE 1. PERFORM SELF-DIAGNOSIS With CONSULT 1. Turn ignition switch ON and wait for 2 seconds or more. 2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT. 3. Check DTC. Is DTC detected? YES >> Refer to HAC-193, "Diagnosis Procedure" NO-1 >> To check malfunction symptom before repair: Refer to GI-44, "Intermittent Incident" NO-2 >> Confirmation after repair: INSPECTION END Diagnosis Procedure INFOID:0000000010432531 1. CHECK CAN COMMUNICATION SYSTEM Check CAN communication system. Refer to LAN-28, "Trouble Diagnosis Flow Chart" . >> INSPECTION END DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition U1000 CAN COMM CIRCUIT When A/C amp. is not transmitting or receiving CAN communication signal for |