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. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A94-589 DC / DC Converter Performance Open or short to GND in the boost converter voltage (VL) sensor circuit Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A94-590 DC / DC Converter Performance Short to +B in the boost converter voltage (VL) sensor circuit Inverter with converter assembly Comes on

Master Warning Light:

Comes on

PROCEDURE


  1. REFER TO REPLACE INVERTER WITH CONVERTER ASSEMBLY PARTS

    Click here

    Tech Tips

    The boost converter voltage (VL) sensor is connected to the MG ECU inside the inverter with converter assembly.

    Result
    Proceed to
    NEXT

    NEXT

    COMPLETED