Tundra 4WD V8-4.7L (2UZ-FE) (2003)
Cargo Lamp Switch: Testing and Inspection
INSPECT CARGO LIGHT SWITCH CONTINUITY
a. Remove the center cluster finish panel.
b. Disconnect the connector from the center cluster integration.
c. Check the continuity exists between terminal 12 and terminal 1, with the switch ON.
d. Check that no continuity exists between terminal 12 and terminal 1, with the switch OFF.
If continuity is not as specified, replace the switch.