B1422

Detection Item:

CIRCUIT DESCRIPTION
This sensor sends 4 pulses par engine revolution to the A/C control assembly. If the number ratio of the compressor speed divided by the engine speed is smaller than a predetermined value, the A/C control assembly turns the compressor off. And, the indicator flashes at about 1 sec. intervals.

Wiring Diagram:

Step 1:

Steps 2 - 3:

INSPECTION PROCEDURE