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DTC B1474-96: A/C Inverter Component Internal Failure [11/2021 - ]: Description

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If abnormal current in the A/C inverter output high voltage output circuit or a malfunction of temperature sensor in the compressor with motor assembly is detected, compressor control will be stopped and this DTC will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory
B1474-96 A/C Inverter Component Internal Failure Diagnosis Condition:
  1. Ignition switch ON

Malfunction:

  1. Compressor with motor assembly internal malfunction (A/C inverter output system current detection circuit or overheat detection system thermistor)

Detection Time:

  1. -
Compressor with motor assembly Memorized
DTC DETECTION CONDITION COMBINATION TABLE

  Vehicle Condition
Pattern 1 Pattern 2
Diagnosis Condition Ignition switch ON
Malfunction Compressor with motor assembly internal malfunction (A/C inverter output system current detection circuit) -
Compressor with motor assembly internal malfunction (A/C inverter overheat detection system thermistor) -
Detection Time - -
Trip Count 1 trip 1 trip

HINT: 

If the conditions of either of these patterns are detected, a DTC will be stored.