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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 P0A79-693 Drive Motor "B" Inverter Performance; DTC P0A79-694 Drive Motor "B" Inverter Performance >> Description

DTC P0A79-693 Drive Motor "B" Inverter Performance; DTC P0A79-694 Drive Motor "B" Inverter Performance: Description

Refer to the description of the inverter. (See DESCRIPTION )

If the rear motor inverter circuit is opened or shorted, or if the circuit overheats, the information is transmitted from the inverter to the RFIV terminal of the MG ECU via the rear motor inverter fail signal line.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF Code DTC Detection Condition Trouble Area
P0A79 693 Rear motor inverter fail signal detection (overcurrent by inverter assembly malfunction)
  • Wire harness or connector
  • Rear traction motor w/ transaxle assembly
  • Frame wire No.3
  • w/ converter inverter assembly (MG ECU)
  • Extension wire assembly
↑ 694 Rear motor inverter fail signal detection (overcurrent by MG ECU malfunction)
  • Wire harness or connector
  • Rear traction motor w/ transaxle assembly
  • Frame wire No.3
  • w/ converter inverter assembly (MG ECU)
  • Extension wire assembly