Pickup 4WD L4-2366cc 2.4L SOHC (22R) (1984)
Air Conditioning Switch: Testing and Inspection
Fig. 10 A/C switch continuity test.
Disconnect electrical connector from A/C switch.
Using an ohmmeter, check continuity between specified switch position, Fig. 10 and A/C switch terminals.
If no continuity is indicated, replace A/C switch.