INSPECTION PROCEDURE 1. INSPECT BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY 
(a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the back door power window regulator switch assembly. Text in Illustration
(b) Check that the LED illuminates. (1) Apply battery voltage to the back door power window regulator switch assembly and check that the LED illuminates. OK:
If the result is not as specified, replace the back door power window regulator switch assembly. 2. INSPECT BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Power Slide Type) 
(a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the back door power window regulator switch assembly. (b) Check that the LED illuminates. (1) Apply battery voltage to the back door power window regulator switch assembly and check that the LED illuminates. OK:
If the result is not as specified, replace the back door power window regulator switch assembly. Text in Illustration
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Toyota Tundra Service Manual > Lane Departure Alert System: Steering Pad Switch Circuit
DESCRIPTION The forward recognition camera receives a lane departure alert switch signal from the steering pad switch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicin ...
