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P0AA1-233 HBC-413 < COMPONENT DIAGNOSIS > D E F G H I J K L M A B HBC N O P P0AA1-233 Description INFOID:0000000004212044 Refer to the description for DTC P0AE6-225 (See ). This circuit uses the hybrid vehicle control ECU to monitor the system main relays and stops the system if a malfunction is detected in the relays, because it may be impossible to shut off the high-voltage system if any of the relays becomes stuck. DTC Logic INFOID:0000000004212045 DTC DETECTION LOGIC This circuit uses the hybrid vehicle control ECU to monitor the system main relays and stops the system if a malfunction is detected in the relays, because it may be impossible to shut off the high-voltage system if any of the relays becomes stuck. Diagnosis Procedure INFOID:0000000004212046 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. • If P0AA1-233 is output, the vehicle is prevented from starting. >> GO TO 2. 2. CHECK DTC OUTPUT (HYBRID SYSTEM) 1. Turn ignition switch ON. 2. Check DTC. DTC No. INF code Trouble diagnosis name DTC detecting condition Possible cause P0AA1 233 Hybrid Battery Positive Contac- System main relays B, and G on HV relay assembly DTC No. Relevant Part P0A1A-156, 658, 659, 151, 155, 200, 791, 792, 793 Generator Control Module P0A1B-511, 164, 163, 512, 193, 786, 788, 661, 192, 168, 794, Drive Motor "A" Control Module P0A1F Battery Energy Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500 Drive Motor "A" Position Sensor Circuit Range / Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513 Generator Position Sensor Circuit Range / Performance P0A4D-255 Generator Position Sensor Circuit Low P0A78-266, 267, 523, 586, 503, 504, 279, 282, 284, 505, 287, Drive Motor "A" Inverter Performance P0A7A-322, 517, 325, 518, 324, 122, 344 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A92-521 Hybrid Generator Performance |