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Home >> Lexus >> 2006 >> RX 400h AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (P310) - RX400H - DTC P0A37-258 Through P0A79-812 >> DTC P0A78-506 Drive Motor "A" Inverter Performance >> Monitor Description

Monitor Description

If over-amperage flows through the motor inverter due to an internal short, the motor inverter transmits an inverter fail signal to the MG ECU. Upon receiving this signal, the HV control ECU illuminates the MIL and sets a DTC.