HYBRID CONTROL SYSTEM, Diagnostic DTC:P0AEF-275, P0AF0-274

DTC Code DTC Name
P0AEF-275 Drive Motor Inverter Temperature Sensor "A" Circuit Low
P0AF0-274 Drive Motor Inverter Temperature Sensor "A" Circuit High

DESCRIPTION

The MG ECU located in the inverter with converter assembly detects the temperature of the motor inverter using a temperature sensor built into the inverter with converter assembly. The inverter cooling system operates independently of the engine cooling system. The MG ECU uses signals from the motor inverter temperature sensor to check the effectiveness of the inverter cooling system. If necessary, the MG ECU will limit inverter output to help prevent inverter overheating. The MG ECU also detects malfunctions in the motor inverter temperature sensor and its wiring.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0AEF-275 Drive Motor Inverter Temperature Sensor "A" Circuit Low Short to GND in the motor inverter temperature sensor circuit Inverter with converter assembly Does not come on

Master Warning Light:

Comes on
P0AF0-274 Drive Motor Inverter Temperature Sensor "A" Circuit High Open or short to +B in motor inverter temperature sensor circuit Inverter with converter assembly Does not come on

Master Warning Light:

Comes on

PROCEDURE


  1. REFER TO REPLACE INVERTER WITH CONVERTER ASSEMBLY PARTS

    Click here

    Result
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    COMPLETED