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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 63 (Heating / Air Conditioning System (HV) - Diagnostic Codes (2 Of 3)) >> AIR CONDITIONING SYSTEM (for HV Model) >> DTC B1498: Communication Malfunction (A/C Inverter Local) [02/2019 - 06/2020] >> Description

DTC B1498: Communication Malfunction (A/C Inverter Local) [02/2019 - 06/2020]: Description

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

The hybrid vehicle control ECU assembly and compressor with motor assembly communicate via a direct line. Compressor control is stopped and this DTC is stored if communication information is cut off or abnormal information occurs.

This DTC is also detected if high-voltage power supplied from the inverter with converter assembly to the compressor control circuit is shut off.

This DTC will be stored as a history DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory
B1498 Communication Malfunction (A/C Inverter Local)
  • Diagnosis condition: Ignition switch ON (READY)
  • Malfunction status: Error or open in communication line between the hybrid vehicle control ECU assembly and compressor with motor assembly or high-voltage power source shut off
  • Harness or connector
  • Hybrid vehicle control ECU assembly
  • Compressor with motor assembly
  • HV air conditioning wire
  • CAN communication system
  • Hybrid control system
Memorized