Tacoma 4WD L4-2.7L (3RZ-FE) (2004)
Door Switch: Testing and Inspection
INSPECT DOOR COURTESY SWITCH CONTINUITY
a. Check that continuity exists between terminal and the switch body in the ON position (switch pin released : opened door).
b. Check that no continuity exists between terminal and the switch body in the OFF position (switch pin pushed in : closed door).
If operation is not as specified, replace the switch.