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 > Pre-collision System: Stop Light Relay Circuit (C1A4B)
DESCRIPTION The skid control ECU (brake actuator assembly) sends a stop light operation request signal to the stop light relay (stop light switch assembly). If the skid control ECU (brake actuator assembly) detects a malfunction in the stop light relay circuit, the millimeter wave radar sensor assem ...
