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Compressor Speed Sensor: Testing and Inspection
A/C Compressor Lock Sensor CircuitCIRCUIT DESCRIPTIONThis sensor sends 1 pulse per engine revolution to the ECM. It the number ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the ECM turns the compressor off. And the indicator flashes at about
1 second interval.
Wiring Diagram:
Step 1:
Step 2 - 3:
INSPECTION PROCEDURE
