HYBRID CONTROL SYSTEM, Diagnostic DTC:P0A94-589, P0A94-590

DTC Code DTC Name
P0A94-589 DC / DC Converter Performance
P0A94-590 DC / DC Converter Performance

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

PROCEDURE


  1. REPLACE INVERTER WITH CONVERTER ASSEMBLY

    Tech Tips

    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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