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Home >> Toyota >> 2012 >> Highlander Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 127 (Air Conditioning (Manual) (Diagnostic Codes & Circuit Tests) (Except Hybrid)) >> AIR CONDITIONING SYSTEM (for Manual Air Conditioning System) >> DTC B1451/51: Compressor Solenoid Circuit >> Description

DTC B1451/51: Compressor Solenoid Circuit: Description

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

In this circuit, the compressor receives a refrigerant compression demand signal from the air conditioning amplifier.

Based on this signal, the compressor changes the degree of refrigerant compression.

DTC No. DTC Detection Condition Trouble Area
B1451/51 Open or short in solenoid of externally changeable compressor circuit
  • Compressor and Magnetic clutch (for 2GR-FE)
  • Compressor Assembly with Pulley (for 1AR-FE)
  • Wire harness between air conditioning amplifier and compressor and Magnetic clutch (for 2GR-FE)
  • Wire harness between air conditioning amplifier and compressor Assembly with Pulley (for 1AR-FE)
  • Air conditioning amplifier
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