T100 SR5 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1998)
Air Conditioning Switch: Testing and Inspection
INSPECT A/C INDICATOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 6 and negative (-) lead to terminal 4 and check that the indicator lights up, when A/C
switch ON.
b. Connect the positive (+) lead from the battery to terminal 3 and check that the indicator dims
If operations are not as specified, replace the A/C switch.
INSPECT A/C SWITCH CONTINUITY
If continuity is not as specified, replace the A/C switch