DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 91 (Heating / Air Conditioning System (HV) - Diagnostic Codes (2 Of 3)) >> AIR CONDITIONING SYSTEM (for HV Model) >> DTC B1473: A/C Inverter Start-up Signal System [12/2019 - 11/2023] >> Description

DTC B1473: A/C Inverter Start-up Signal System [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

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

DTC No. Detection Item DTC Detection Condition Trouble Area Memory
B1473 A/C Inverter Start-up Signal System Open or short in A/C inverter start-up signal circuit
  • Compressor with motor assembly
  • Hybrid vehicle control ECU
  • Hybrid control system
  • Air conditioning amplifier assembly
-