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DTC P0A78-523 Drive Motor "A" Inverter Performance: Description

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

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF Code DTC Detection Condition Trouble Area
P0A78 523 Inverter voltage (VH) sensor offset malfunction
  • HV relay assembly
  • w/ converter inverter assembly

HINT:

Turning the ignition switch off causes the voltage in the inverter to discharge. The inverter voltage is almost 0 V after discharge. The DTC will be stored if the inverter voltage is more than the specified value after discharge.

Fig 1: Ignition Switch Voltage Graph
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