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P0A01-725, P0A01-726 HBC-125 < COMPONENT DIAGNOSIS > D E F G H I J K L M A B HBC N O P P0A01-725, P0A01-726 Description INFOID:0000000004211780 Refer to the description for DTC P0A02-719 (See DTC Logic INFOID:0000000004211781 DTC DETECTION LOGIC Diagnosis Procedure INFOID:0000000004211782 1. PRECONDITIONING • Before inspecting the high-voltage system or disconnecting the low voltage connector of the inverter with converter assembly, take safety precautions such as wearing insulated gloves and removing the service plug grip to prevent electrical shocks. After removing the service plug grip, put it in your pocket to prevent other technicians from accidentally reconnecting it while you are working on the high-voltage system. • After disconnecting the service plug grip, wait for at least 10 minutes before touching any of the high-voltage connectors or terminals. • Waiting for at least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly. >> GO TO 2. 2. CHECK DTC (HYBRID SYSTEM) 1. Turn ignition switch ON. 2. Check DTC. Is DTC P0A93-346 detected? YES >> Go to Diagnosis Procedure relevant to output DTC. NO >> GO TO 3. 3. CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CON- NECTOR) HBC-109, "Diagnosis Procedure" OK or NG OK >> GO TO 4. NG >> Connect securely. 4. CHECK QUANTITY OF INVERTER COOLANT DTC No. INF Code Trouble diagnosis name DTC detecting condition Possible cause P0A01 725 Motor electronics coolant tem- Sudden change in inverter cool- • Wire harness or connector assembly • Inverter with converter assembly P0A01 726 Motor electronics coolant tem- Inverter coolant temperature • Wire harness or connector assembly • Inverter with converter assembly DTC No. Relevant Diagnosis P0A93-346 Inverter cooling system malfunction |