B1422

B1422 / 22 - Compressor Lock Sensor Circuit

CIRCUIT DESCRIPTION

Detection Item:

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. And the indicator flashes at about 1 second 1 second intervals.

Wiring Diagram:

Steps 1 - 2:

INSPECTION PROCEDURE