DTC 22

DTC B1422/22 Compressor Lock Sensor Circuit

DESCRIPTION

DTC Detection Condition:

This sensor sends 4 pulses per engine revolution to the ECM. If the number ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the ECM turns the compressor OFF. Then the A/C indicator flashes at about 1 second intervals.

Wiring Diagram:

Step 1-2:

Step 3:

INSPECTION PROCEDURE