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DTC B1473/73: A/C Inverter Start-up Signal System Malfunction [10/2014 - 10/2015]: Description

The inverter activation signal is sent to the compressor with motor assembly from the power management control ECU. Compressor control is stopped and the DTC is stored if there is an open or short in the signal circuit.

DTC No. DTC Detection Condition Trouble Area
B1473/73 Open or short in A/C inverter start-up signal system
  • Harness or connector between power management control ECU and compressor with motor assembly
  • Compressor with motor assembly
  • Power management control ECU
  • Hybrid control system
  • CAN communication system
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