Tundra 4WD V8-5.7L (3UR-FE) (2007)
Brake Lamp Relay: Testing and Inspection
ON-VEHICLE INSPECTION
1. CHECK STOP LIGHT CONTROL RELAY (BRK NO. 1, BRK NO. 2)
a. Remove the 2 stop light control relays from the engine room relay block.
b. Measure the resistance according to the value(s) in the table.
If the result is not as specified, replace the relay.
c. Install the 2 stop light control relays.