B1472 LEXUS – A/C Inverter High Voltage Output System Malfunction

B1472 LEXUS Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B1472 LEXUS Possible Causes

Faulty Hybrid Control ECU,Faulty Electric Inverter Compressor (w/Motor Compressor Assembly),Faulty A/C Inverter (w/Converter Inverter Assembly)

B1472 LEXUS Description

The high voltage is output from the A/C Inverter Assembly to the electric inverter compressor for driving the motor. Compressor control is stopped and the Diagnostic Trouble Code (DTC) is output if there is an open or short to ground in the output circuit. The output DTC is memorized as previous trouble. Compressor control remains stopped unless the past and current DTCs are cleared. The OBDII code set when an open or short in A/C inverter high voltage output system.