Tundra 4WD V6-3.4L (5VZ-FE) (2004)
b. Push the personal light switch on, check that continuity exists between terminals 1 and 3.
If the continuity is not as specified, replace the bulb or light.
c. Turn the light switch to the DOOR position, check that continuity exists between terminals 2 and 3.
If the continuity is not as specified, replace the light.
INSPECT DOOR COURTESY SWITCH CONTINUITY
(a) Check that continuity exists between the terminal and the switch body with the switch ON (switch pin released: door opened).
(b) Check that no continuity exists between the terminal and the switch body with the switch OFF (switch pin pushed in: door closed).
If the continuity is not as specified, replace the switch.
INSPECT DOOR COURTESY LIGHT CONTINUITY
Check that continuity exists between terminals 1 and 2.
If the continuity is not as specified, replace the light assembly or bulb.