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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (P310) - RX400H - DTC P0A7A-309 Through P0A94-589 >> DTC P0A7A-309 Generator Inverter Performance >> Description

DTC P0A7A-309 Generator Inverter Performance: Description

The inverter switches the power transistor on and off based on drive signals received from the MG ECU to change the direction of the current flowing through the Generator. Also, the inverter regulates the duration of the switching time through Pulse Width Modulation (PWM) control, in order to control voltage applied to the Generator.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF Code DTC Detection Condition Trouble Area
P0A7A 309 Abnormality in generator PWM circuit w/ converter inverter assembly (MG ECU)