DTC    P0A94-589    DC / DC Converter Performance

DTC    P0A94-590    DC / DC Converter Performance

for Preparation Click here


DESCRIPTION

The MG ECU uses a voltage sensor that is built into the boost converter to detect pre-boost high voltage (VL) to allow boost control. The MG ECU monitors the boost converter voltage sensor signal line and detects the following malfunctions.

DTC No.
INF Code
DTC Detection Condition
Trouble Area
P0A94
589
Open or short to GND in the boost converter voltage (VL) sensor circuit
Inverter with converter assembly
P0A94
590
Short to +B in the boost converter voltage (VL) sensor circuit

INSPECTION PROCEDURE

1.REPLACE INVERTER WITH CONVERTER ASSEMBLY

HINT:
The boost converter voltage (VL) sensor is connected to the MG ECU inside the inverter with converter assembly. If P0A94-589 or P0A94-590 is output, replace the inverter with converter assembly (Click here).


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