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P0A44 DRIVE MOTOR A OVER SPEED TMS-53 < DTC/CIRCUIT DIAGNOSIS > D E F G H I J K L M A B TMS N O P P0A44 DRIVE MOTOR A OVER SPEED DTC Logic INFOID:0000000010120937 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive vehicle at a safe speed. 1. PRECONDITIONING If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always power switch OFF and wait at least 10 seconds before conducting the next test. >> GO TO 2. 2. CHECK DTC DETECTION With CONSULT 1. Set the vehicle to READY and wait for 10 seconds or more. 2. Accelerate to 60 km/h (37 MPH). 3. Stop the vehicle. 4. Check DTC. YES >> Go to . NO-1 >> To check malfunction symptom before repair: Refer to GI-53, "Intermittent Incident" NO-2 >> Confirmation after repair: INSPECTION END Diagnosis Procedure INFOID:0000000010120938 1. CHECK TRACTION MOTOR INVERTER HARNESS CONNECTOR 1. Power switch OFF. 2. Check the connection conditions of the traction motor inverter harness connector. YES >> GO TO 2. NO >> Repair or replace damaged parts. 2. CHECK TRACTION MOTOR HARNESS CONNECTOR Check the connection conditions of the traction motor harness connector. YES >> GO TO 3. NO >> Repair or replace damaged parts. 3. CHECK TRACTION MOTOR RESOLVER CIRCUIT 1. Disconnect the traction motor inverter harness connector. 2. Check the resistance between traction motor inverter vehicle side harness connector terminals and ground. DTC CONSULT screen terms (Trouble diagnosis content) Malfunction detected condition Possible causes P0A44 DRIVE MOTOR A OVER SPEED If the value detected for motor speed at • Harness or connectors (Each circuit is open or shorted.) • Traction motor |