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Home >> Toyota >> 2019 >> Highlander Limited, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System (Manual A/C) - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> AIR CONDITIONING SYSTEM (for Manual Air Conditioning System) >> DTC B1451: Compressor Solenoid Circuit [11/2016 - ] >> Description

DTC B1451: Compressor Solenoid Circuit [11/2016 - ]: Description

for 2GR-FKS 

In this circuit, the cooler compressor assembly (compressor solenoid) receives a refrigerant compression demand signal from the air conditioning amplifier assembly.

Based on this signal, the cooler compressor assembly (compressor solenoid) changes the amount of compressor output.

for 1AR-FE 

In this circuit, the compressor assembly with pulley (compressor solenoid) receives a refrigerant compression demand signal from the air conditioning amplifier assembly.

Based on this signal, the compressor assembly with pulley (compressor solenoid) 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
  • Cooler compressor assembly (compressor solenoid)*1
  • Compressor assembly with pulley (compressor solenoid)*2
  • Harness or connector between air conditioning amplifier assembly and cooler compressor assembly (compressor solenoid)*1
  • Harness or connector between air conditioning amplifier assembly and compressor assembly with pulley (compressor solenoid)*2
  • Air conditioning amplifier assembly
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*1: for 2GR-FKS
*2: for 1AR-FE
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