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 > Lighting System: Headlight (HI-BEAM) Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) receives headlight dimmer switch information signals and illuminates the high beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PR ...
