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Home >> Toyota >> 2012 >> Prius V >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System [Diagnostic Codes (P0A78-121 - P0AA1-233)] >> Hybrid Control System >> DTC P0A78-586: Drive Motor "A" Inverter Performance >> Monitor Description

Monitor Description

The power management control ECU (HV CPU) monitors the inverter voltage (VH) sensor signal. If the power management control ECU (HV CPU) detects a fault in the sensor signal, the power management control ECU (HV CPU) interprets this as a VH sensor failure. The power management control ECU (HV CPU) will illuminate the MIL and set a DTC.

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