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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 P0A78-266 Through P0A79-812 >> DTC P0A79-672 Drive Motor "B" Inverter Performance >> Description

DTC P0A79-672 Drive Motor "B" 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 Rear Motor. Also, the inverter regulates the duration of the switching time through Pulse Width Modulation (PWM) control, in order to control voltage applied to the Rear Motor.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF Code DTC Detection Condition Trouble Area
P0A79 672 Rear motor PWM circuit malfunction w/ converter inverter assembly (MG ECU)