B1422

DTC B1422 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 intervals.

Wiring Diagram:

Step 1 - 4:

INSPECTION PROCEDURE