B1422 - Compressor Lock Sensor Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Compressor Lock Sensor
  • Compressor Lock Sensor harness is open or shorted
  • Compressor Lock Sensor circuit poor electrical connection
  • Faulty Compressor Assembly
  • Faulty Air Conditioning Amplifier

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1422 Description

This sensor sends 1 pulse per engine revolution to the Air Conditioning Amplifier. If the ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the Air Conditioning Amplifier turns the compressor off, and the indicator blinks at approximately 1 second intervals.
OBDII Code B1422 - Compressor Lock Sensor Circuit - AutoCodes.com

B1422 Information for specific makes

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B1422 Comments

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