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 P0A93-346 Inverter Cooling System Performance; DTC P0A93-347 Inverter Cooling System Performance >> Typical Malfunction Thresholds