B1422

DTC B1422/22 Compressor Lock Sensor Circuit

DESCRIPTION

DTC Detection Condition:

The ECM sends the engine speed signal to the TACO terminal of the A/C amplifier. The A/C amplifier reads the difference between compressor speed and engine speed. When the difference becomes too big, the A/C amplifier determines that the compressor locks, and turns the magnetic clutch off.

Wiring Diagram:

INSPECTION PROCEDURE

Step 1-2:

Step 2(Continued)-3:

Step 4-5:

Step 5(Continued):