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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 219 (Heating / Air Conditioning System (Except Hybrid) - Diagnostic Codes & Symptom Tests) >> AIR CONDITIONING SYSTEM (for Gasoline Model) >> DTC B1451: Compressor Solenoid Circuit [08/2020 - ] >> Description

DTC B1451: Compressor Solenoid Circuit [08/2020 - ]: Description

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The compressor assembly with pulley*1 or cooler compressor assembly*2 receives refrigerant compression demand signals from the air conditioning amplifier assembly.

Based on this signal, the compressor assembly with pulley*1 or cooler compressor assembly*2 changes the amount of compressor output.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory
B1451 Compressor Solenoid Circuit Open or short in compressor solenoid circuit
  • Compressor assembly with pulley*1
  • Cooler compressor assembly*2
  • Harness or connector
  • Air conditioning amplifier assembly
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  1. *1: for A25A-FKS
  2. *2: for 2GR-FKS