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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 P0A78-272 Drive Motor "A" Inverter Performance >> Monitor Description

Monitor Description

The MG ECU monitors the motor PWM circuit. If there is an error in the power transistor actuation signals which are transmitted to the inverter, the MG ECU interprets this as a malfunction of the motor PWM circuit. The HV control ECU illuminates the MIL and sets a DTC.

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